FAQs
1. What is Pharmaceutical Grade HPMC (Hydroxypropyl Methylcellulose)?
Pharmaceutical Grade HPMC, also known as hypromellose, is a cellulose ether derivative widely used as an excipient in drug formulations. It acts as a binder, film former, viscosity builder, controlled-release polymer, and capsule shell material, offering flexibility across multiple dosage forms.
2. What are the main pharmaceutical applications of HPMC?
HPMC (Hydrocel®) is used in:
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Sustained release systems for controlled drug delivery
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Tablet and pellet coatings for better stability and appearance
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Binders for solid oral dosage forms
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Vegetarian capsule shells as a plant-based alternative to gelatin
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Ophthalmic products such as eye drops
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Topicals and wound care (e.g., POP bandages)
3. How does HPMC support sustained release formulations?
HPMC forms a hydrophilic matrix system that controls the release of active pharmaceutical ingredients. By swelling and forming a gel barrier in the gastrointestinal tract, it enables precise control of drug release rates, improving therapeutic outcomes and patient compliance.
4. What are the advantages of using Hydrocel® HPMC in formulations?
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Controlled & sustained drug release
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Improved tablet strength and disintegration properties
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Enhanced solubility and bioavailability of APIs
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Excellent coating finish for tablets and pellets
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Biocompatibility and non-toxic nature
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Batch-to-batch consistency with narrow parameter specifications
5. What dosage forms can HPMC be used in?
HPMC is suitable for:
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Solid orals (tablets, capsules, pellets)
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Liquid orals (suspensions, syrups)
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Topicals (ointments, creams, gels)
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Ophthalmic (eye drops, gels)
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Suppositories and medical bandages
6. What grades of HPMC are available under Hydrocel®?
Hydrocel HPMC is available in multiple grades with different viscosities, such as:
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E Series (E3, E5, E15, E50, etc.) – low viscosity
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K Series (K4M, K15M, K100M, K200M, etc.) – medium to high viscosity
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Controlled Release (CR grades) – tailored for sustained release systems
This variety allows formulators to choose the right viscosity and performance for specific dosage forms.
7. Is HPMC safe for pharmaceutical use?
Yes. HPMC is non-toxic, biocompatible, and pharmacopeia-compliant (USP/Ph. Eur/BP/JP/IP). It is widely accepted in oral, topical, and ophthalmic formulations due to its inert nature and safety profile.
8. What certifications and compliance does Hydrocel® HPMC have?
Our HPMC is:
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USDMF Certified
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USFDA Registered
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Manufactured to USP/Ph. Eur/BP/JP/IP standards
9. How does HPMC compare to other excipients or brands?
Hydrocel® HPMC is a high-quality alternative to Anycoat®, Pharmacoat®, and Methocel®, offering equivalent performance, consistency, and regulatory compliance at competitive value.
10. How do I choose the right HPMC grade for my formulation?
The grade selection depends on your application:
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Low viscosity grades (E3–E50): film coating, eye drops, liquid orals
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Medium viscosity grades (K4M–K15M): matrix formers for sustained release tablets
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High viscosity grades (K100M–K200M): controlled-release polymers for strong gel formation
Our technical team can guide you in selecting the most suitable grade based on your formulation needs.
11. What is Sodium CMC?
Sodium Carboxymethyl Cellulose (CMC) is a water-soluble cellulose derivative used as a thickener, stabiliser, film former, suspending agent, and controlled-release polymer. It is derived from natural cellulose, making it non-toxic, biocompatible, and environmentally friendly.
12. What are the key applications of Sodium CMC?
Sodium CMC is highly versatile and is used in:
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Pharmaceuticals: controlled-release tablets, liquid orals, ophthalmic solutions
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Oral Care: toothpaste and dental gels as a thickener and stabiliser
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Topicals: creams, ointments, and gels for consistency and spreadability
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Food & Industrial uses: as a stabiliser and viscosity modifier
13. How does Sodium CMC work in pharmaceutical formulations?
In drug formulations, Sodium CMC acts as a:
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Controlled-release polymer in oral tablets
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Viscosity builder in suspensions and syrups
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Film former for coatings
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Lubricant and stabiliser in topical and ophthalmic preparations
14. Is Sodium CMC safe for pharmaceutical use?
Yes. Sodium CMC is non-toxic, inert, and pharmacopeia-compliant (USP/Ph. Eur). Its natural origin and safety profile make it suitable for oral, topical, and ophthalmic applications.
15. What dosage forms can Sodium CMC be used in?
Sodium CMC is used in:
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Solid orals (tablets, controlled-release systems)
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Liquid orals (syrups, suspensions)
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Ophthalmic formulations (eye drops, gels)
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Oral care products (toothpaste, mouthwash)
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Topicals (creams, lotions, gels)
16. What grades of Sodium CMC are available?
We supply a wide range of viscosity grades tailored to different applications, including:
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Low viscosity grades (25–150 cps): for coatings, oral solutions
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Medium viscosity grades (200–1200 cps): for suspensions, toothpaste, and eye drops
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High viscosity grades (1500–8000 cps): for controlled-release tablets, thick creams, gels
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Super Quick Dispersing Grade (Swift 8Q70): fast-hydrating CMC for rapid processing
17. How does viscosity affect the performance of Sodium CMC?
Viscosity determines how Sodium CMC functions in a formulation:
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Low viscosity: easy flow, good solubility, suitable for liquids
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High viscosity: strong thickening, gel formation, controlled release in tablets
Choosing the right grade is crucial for formulation stability and performance.
18. What are the advantages of Hydrocel® Sodium CMC?
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Wide range of viscosity grades for flexibility
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Super quick dispersing options for efficient processing
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Consistent batch-to-batch quality
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Non-toxic and biocompatible
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Long shelf life with excellent stability
19. What certifications does Hydrocel® Sodium CMC comply with?
Hydrocel® Sodium CMC meets USP and Ph. Eur standards, ensuring quality, safety, and regulatory compliance for pharmaceutical and personal care applications.
20. How can I select the right Sodium CMC grade for my application?
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Oral care & ophthalmic: medium viscosity grades (200–1200 cps)
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Controlled release tablets: high viscosity grades (1500–8000 cps)
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Topicals & gels: medium to high viscosity grades
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Liquid orals: low viscosity grades (25–150 cps)
Our technical team can recommend the most suitable grade based on your specific product needs.
21. What is Biopol®?
Biopol® is a high-quality range of Carbomers (crosslinked polyacrylic acid polymers) designed for pharmaceutical and personal care formulations. They are used as thickeners, rheology modifiers, suspending agents, viscosity builders, and sustained-release polymers.
22. What makes Biopol® different from other carbomers?
Biopol® stands out because it is:
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100% Benzene-Free – ensuring maximum safety
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Highly pure with >97% clarity in gels
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USP/Ph. Eur compliant
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Cost-effective and consistent in performance
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Known for excellent shelf life and stability
23. What are the common applications of Biopol®?
Biopol® is used across multiple industries, including:
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Pharmaceuticals: oral syrups, sustained-release tablets, topical gels, suspensions
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Personal Care: lotions, creams, shampoos, styling gels, hand sanitisers
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Oral Care: toothpaste, mouthwash, dental gels
24. How does Biopol® improve product performance?
Biopol® provides:
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High clarity gels for aesthetic appeal
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Efficient thickening across a wide viscosity range
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Suspension of insoluble ingredients without sedimentation
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Stabilisation of emulsions for consistent formulations
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Controlled drug release in pharmaceutical tablets
25. In what dosage forms can Biopol® be used?
Biopol® is suitable for:
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Liquid orals (syrups, suspensions)
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Topicals (gels, creams, ointments, lotions)
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Oral care products (toothpaste, mouthwash)
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Sustained-release tablets
26. Is Biopol® safe for pharmaceutical and cosmetic use?
Yes. Biopol® carbomers are non-toxic, biocompatible, and benzene-free, manufactured under strict quality control. Their compliance with USP and Ph. Eur standards ensures safety in both pharmaceutical and personal care formulations.
27. What grades of Biopol® are available?
Biopol® carbomers are available in different viscosity grades, offering flexibility to formulators. Options include clear gel grades and maximum-clarity grades, tailored for specific pharmaceutical or cosmetic applications.
28. Why is benzene-free carbomer important?
Traditional carbomers may involve benzene in their production process, but Biopol® is 100% benzene-free, eliminating any related health risks and meeting the highest safety and regulatory standards.
29. How does Biopol® compare to imported carbomers?
Biopol® provides equivalent or superior performance to many international brands, with the added advantages of cost-effectiveness, benzene-free safety, and consistent clarity, making it a trusted choice for formulators worldwide.
30. How can I select the right Biopol® grade for my formulation?
The grade selection depends on the application:
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Clear gel grades: for cosmetic gels, hand sanitisers, ophthalmic gels
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High-viscosity grades: for suspensions, emulsions, thick creams
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Controlled-release grades: for sustained-release pharmaceutical tablets
31. What is Versagel® M1600?
Versagel® M1600 is a patented high-viscosity mineral oil gel designed to improve skin occlusivity and reduce trans-epidermal water loss (TEWL). It is widely used in topical formulations for its moisturizing and stabilising properties.
32. How does Versagel® M1600 improve skin hydration?
Clinical studies with gelled mineral oil have shown that Versagel® M1600 can improve moisturisation by 53%, despite containing more than 90% mineral oil. This is achieved by reducing TEWL and enhancing skin barrier protection.
33. What are the main applications of Versagel® M1600?
It is commonly used as a thickener, rheology modifier, viscosity builder, and suspending agent for oil-based products in topical formulations.
34. What dosage forms is Versagel® M1600 suitable for?
Versagel® M1600 is specifically designed for topical applications such as creams, lotions, ointments, and other personal care formulations.
35. Is Versagel® M1600 thermally stable?
Yes. Versagel® M1600 is thermally stable and easy to incorporate into formulations, offering consistent performance under various conditions.
36. What is the INCI name of Versagel® M1600?
The INCI name for Versagel® M1600 is High Viscosity Mineral Oil Gel.
37. What is the CAS number of Versagel® M1600?
The CAS number is 8042-47-5.
38. Why choose Versagel® M1600 over standard mineral oil?
Unlike regular mineral oil, Versagel® M1600 is structured to provide enhanced moisturisation, superior suspension ability, and customisable rheology, making it more versatile in advanced skincare and cosmetic formulations.
39. What is Maltitol?
Maltitol is a natural, sugar-free sweetener with a low glycaemic index. It has no bitter aftertaste and helps reduce plaque formation, making it a healthier alternative to sugar.
40. What are the benefits of using Maltitol in formulations?
Provides sweetness similar to sugar without the calories.
Low glycaemic index, suitable for diabetic-friendly products.
Reduces plaque formation, supporting better oral health.
No bitter aftertaste, enhancing taste profiles.
Safe for children and pregnant women.
41. What is Liquid Maltitol?
Liquid Maltitol is a clear, viscous, ready-to-use syrup base widely used in pharmaceutical and beverage products. It simplifies production by replacing sugar syrup while offering excellent taste, transparency, and suitable viscosity for medicinal syrups.
42. In which products is Maltitol commonly used?
Medicated syrups (including cough syrups).
Flavoured syrups and beverages.
Oral care formulations.
Solid and liquid oral dosage forms.
43. How does Maltitol help in oral health?
Maltitol prevents plaque formation and does not contribute to tooth decay, making it a cavity-preventive sweetener for oral care and child-friendly products.
44. Does Maltitol have a similar taste to sugar?
Yes. Maltitol closely mimics the sweetness and texture of sugar syrup without a bitter aftertaste, making it ideal for syrups, beverages, and flavoured medicines.
45. What are the available grades/variants of Maltitol?
Maltitol Liquid 80/55 – INCI: Maltitol Liquid
Maltitol Liquid 75/75 – INCI: Maltitol Liquid
Maltitol PCS 300 (Solid) – INCI: Maltitol
46. What is the CAS number of Maltitol?
The CAS number for Maltitol is 585-88-6.
47. What official pharmacopeia standards does Maltitol comply with?
Maltitol meets USP/NF, Ph.Eur, BP, and FCC standards, ensuring global quality compliance.
48. Why are many brands switching to Maltitol in syrups?
Well-known brands of cough syrups and medicated liquids are adopting Maltitol because it improves taste, blends well with flavours, masks unpleasant notes, and makes formulations more suitable for diabetic patients.
49. What is Hydrocel – HEC?
Hydrocel – Hydroxy Ethyl Cellulose (HEC) is a non-ionic, water-soluble polymer derived from cellulose. It is widely used as a thickener, binder, viscosity builder, rheology modifier, and suspending agent in various pharmaceutical and personal care formulations.
50. How does Hydrocel – HEC dissolve in water?
Hydrocel – HEC dissolves readily in both hot and cold water, making it easy to use in multiple applications. Its solutions exhibit pseudo-plastic behaviour, meaning viscosity decreases under shear stress (e.g., stirring or pumping), improving product flow.
51. What are the key applications of Hydrocel – HEC?Thickener and viscosity builder in liquid and topical formulations.
Rheology modifier to control product flow.
Binder and suspending agent in solid and liquid orals.
Used in pharmaceuticals, cosmetics, and industrial formulations.
52. What dosage forms is Hydrocel – HEC suitable for?
Hydrocel – HEC is used in solid orals, liquid orals, and topical dosage forms, offering versatility across multiple product types.
53. What are the available grades/variants of Hydrocel – HEC?Hydroxy Ethyl Cellulose HX – 1500–2500 cps
Hydroxy Ethyl Cellulose HHX – 3500–5500 cps
Hydroxy Ethyl Cellulose HR – 1500–2500 cps
Hydroxy Ethyl Cellulose HHR – 3500–5500 cps
54. What does cps mean in Hydrocel – HEC grades?
“cps” stands for centipoise, a unit of viscosity measurement. The higher the cps, the thicker the solution produced.
55. What is the CAS number of Hydrocel – HEC?
The CAS number for Hydroxy Ethyl Cellulose is 9004-62-0.
56. Why choose Hydrocel – HEC over other water-soluble polymers?
Hydrocel – HEC offers unique flow properties compared to other polymers, providing consistent viscosity, stability in formulations, and ease of use in both hot and cold water systems.
57. Who are the typical users of Hydrocel – HEC?
Pharmaceutical, cosmetic, personal care, and industrial manufacturers use Hydrocel – HEC as a trusted polymer for thickening, stabilising, and suspending formulations.
58. What is Polysorbate?
Polysorbates are a class of nonionic emulsifiers commonly used in pharmaceuticals, personal care products, and food preparation. They help mix oil and water by solubilising essential oils and other hydrophobic ingredients into water-based formulations.
59. How are Polysorbates derived?
Polysorbates are oily liquids derived from ethoxylated sorbitan (a derivative of sorbitol), which is then esterified with fatty acids. This structure gives them their hydrophilic and emulsifying properties.
60. What are the key applications of Polysorbates?
Used as emulsifiers in pharmaceuticals and cosmetics.
Act as solubilisers to incorporate essential oils into water-based systems.
Improve the stability and texture of topical formulations.
Also used in food processing for blending oil and water phases.
61. What dosage forms are Polysorbates suitable for?
Polysorbates are primarily used in topical formulations, though they are also found in oral and food applications depending on the grade.
62. What are the different grades/variants of Polysorbates?
Polysorbate 20 – commonly used in cosmetics and skin care.
Polysorbate 60 – often used in creams and lotions as an emulsifier.
Polysorbate 80 – widely used in pharmaceuticals, food, and personal care products.
63. What is the INCI name of Polysorbates?
All grades are registered under the INCI name Polysorbate.
64. What is the CAS number of Polysorbates?
The CAS number for Polysorbates is 9005-64-5.
65. Why are Polysorbates important in formulations?
Polysorbates ensure stability by preventing oil and water from separating. They also enhance the texture, appearance, and usability of products while being safe and widely accepted across industries.
66. What is Xylitol Crystals PCS 300?
Xylitol Crystals PCS 300 is a natural, sugar-free sweetener with a cooling effect in the mouth. It has a low glycaemic index, no bitter aftertaste, and reduces plaque formation, making it an ideal choice for oral care and health-conscious formulations.
67. How sweet is Xylitol compared to sugar?
Xylitol provides sweetness equivalent to sugar, making it an easy replacement in both oral care and dietary formulations without compromising taste.
68. What are the health benefits of Xylitol?
Prevents plaque formation and reduces cavity risk.
Has a low glycaemic index, suitable for diabetic-friendly products.
Produces a natural cooling sensation in the mouth.
Free from bitter aftertaste.
69. In which applications is Xylitol Crystals PCS 300 commonly used?
Xylitol is widely used in:
Toothpaste and mouthwash.
Chewing gums and mints.
Chewable tablets and lozenges.
Other oral care and pharmaceutical formulations.
70. Why is Xylitol popular in oral care formulations?
Xylitol not only tastes like sugar but also actively helps prevent plaque formation, improves oral hygiene, and provides a refreshing cooling effect in the mouth – making it highly preferred for toothpaste, gums, and rinses.
71. What dosage forms can Xylitol be used in?
Xylitol is suitable for solid orals, liquid orals, and oral care products, offering versatility across different formulations.
72. What is the INCI name of Xylitol Crystals PCS 300?
The INCI name is Xylitol.
73. What is the CAS number of Xylitol?
The CAS number for Xylitol is 87-99-0.
74. What pharmacopeia standards does Xylitol comply with?
Xylitol Crystals PCS 300 meets USP/NF, Ph.Eur, BP, and FCC quality standards.
75. How is Xylitol different from other sugar substitutes?
Unlike many artificial sweeteners, Xylitol is natural, offers the same sweetness as sugar without a bitter aftertaste, and provides unique oral health benefits by reducing cavities and plaque.
76. What is Lactitol Monohydrate?
Lactitol Monohydrate is a disaccharide alcohol that appears as white, odourless crystals with a mild sweetness (30–40% of sucrose). It is commonly used as a sugar-free sweetener and as a pharmaceutical laxative.
77. How sweet is Lactitol compared to sugar?
Lactitol is about 30–40% as sweet as sucrose, making it less sweet but still suitable as a sugar replacement in formulations.
78. What are the main applications of Lactitol Monohydrate?
Laxative: Due to its poor absorption in the intestine, it acts as an osmotic laxative.
Sugar-free sweetener: Used in pharmaceuticals and dietary products for patients requiring low-calorie or sugar-free alternatives.
79. What dosage forms can Lactitol be used in?
Lactitol Monohydrate is suitable for solid orals (e.g., tablets, powders) and liquid orals (e.g., syrups, suspensions).
80. Does Lactitol have a calorific value?
Yes, Lactitol has a low calorific value, making it suitable for diabetic-friendly and reduced-calorie formulations.
81. What does Lactitol taste like?
Lactitol has a clean, sugar-like taste without any bitter aftertaste, although it is less sweet than sucrose.
82. What are the quality standards of Lactitol Monohydrate?
It complies with USP/NF, Ph.Eur, BP, and FCC pharmacopeia standards, ensuring global quality acceptance.
83. What is the CAS number of Lactitol Monohydrate?
The CAS number for Lactitol Monohydrate is 585-86-4.
84. What is the INCI name of Lactitol Monohydrate?
The INCI name is Lactitol Monohydrate.
85. Why is Lactitol widely used in pharmaceuticals?
Lactitol’s dual functionality as a sugar-free sweetener and laxative makes it highly versatile in pharmaceutical formulations, particularly for patients who need both digestive support and reduced sugar intake.
86. What is VEEGUM® Magnesium Aluminium Silicate?
VEEGUM® is a range of water-washed smectite clays used as suspension stabilisers, emulsion optimisers, and rheology modifiers in pharmaceuticals, personal care, and cosmetic formulations.
87. What are the main applications of VEEGUM®?
VEEGUM® is commonly used in topical cosmetic and pharmaceutical oil-in-water (O/W) emulsions to deliver active ingredients effectively. It helps improve texture, stabilise suspensions, and enhance application properties.
88. What grades of VEEGUM® are available for pharmaceutical and personal care use?
VEEGUM R: Economical grade for general use across industries.
VEEGUM HV: Provides higher viscosity at lower solids.
VEEGUM K: Ideal for acidic products with good electrolyte compatibility.
VEEGUM HS: Least buffering in acidic formulations.
89. Are there VEEGUM® grades designed specifically for personal care products?
Yes. Some personal care-focused grades include:
VEEGUM Ultra: Fast hydrating with acid pH properties.
VEEGUM Pure: ECOCERT/COSMOS/OMRI listed version of VEEGUM R, suitable for organic formulations.
VEEGUM D: Specially developed as a dentifrice binder, compatible with NaF (with phosphate first), and rapidly hydrates in water.
90. Does VEEGUM® offer eco-friendly or certified products?
Yes. VEEGUM Pure and VANATURAL are ECOCERT/COSMOS/OMRI listed, making them suitable for natural and organic product development.
91. What is the difference between VEEGUM® and VANATURAL products?
VEEGUM® refers to magnesium aluminium silicate grades designed for suspension and emulsion stability.
VANATURAL is a natural white water-washed bentonite clay, also available in a blend form (VANATURAL XGB) combined with xanthan gum for enhanced rheology modification.
92. In which industries are VEEGUM® products used?
They are widely applied in pharmaceuticals, personal care, cosmetics, and oral care formulations, where stability, viscosity, and smooth application are essential.
93. Can VEEGUM® be used in acidic formulations?
Yes. Grades such as VEEGUM K and VEEGUM HS are specially designed to perform well in acidic environments with minimal buffering.
94. Is VEEGUM® safe for use in cosmetics and pharmaceuticals?
Yes. VEEGUM® products are recognised for their safety and functionality in regulated industries, making them suitable for topical and oral care applications.
95. How do VEEGUM® clays enhance product performance?
They improve suspension stability, prevent ingredient separation, optimise emulsion rheology, and ensure smooth texture and application in finished formulations.
96. What is Hydrocel L-HPC?
Hydrocel L-HPC (Low-Substituted Hydroxypropyl Cellulose) is a super disintegrant widely used in solid oral pharmaceutical formulations. It enhances tablet disintegration, improving dissolution and bioavailability of active pharmaceutical ingredients (APIs).
97. What are the main applications of Hydrocel L-HPC?
Hydrocel L-HPC is mainly used as a disintegrant in solid oral dosage forms such as tablets and capsules.
98. How does Hydrocel L-HPC work in tablets?
It rapidly disintegrates tablets into smaller particles, promoting faster dissolution. Additionally, it prevents tablet defects such as capping and lamination during the manufacturing process.
99. Why is Hydrocel L-HPC preferred by pharmaceutical companies?
L-HPC is highly compatible with active ingredients, offers excellent disintegration efficiency, and ensures consistent tablet quality. It is widely recognised as the first-choice disintegrant in Japan.
100. What grades of Hydrocel L-HPC are available?
L-HPC LH-11 – Low Substituted Hydroxypropyl Cellulose LH-11
L-HPC LH-21 – Low Substituted Hydroxypropyl Cellulose LH-21
101. What pharmacopeia standards does Hydrocel L-HPC comply with?
It complies with USP, Ph. Eur, BP, and IP standards.
102. What is the CAS number of Hydrocel L-HPC?
The CAS number is 9004-64-2.
103: What is XANGEL®?
XANGEL® is a pharmaceutical-grade Xanthan Gum used as a thickener, rheology modifier, viscosity builder, and suspending agent in various formulations.
104: What are the main applications of XANGEL®?
XANGEL® is commonly used in liquid orals and topical formulations. It is also applied in pharmaceutical, personal care, food, agricultural, and industrial products to stabilise emulsions and prevent solid settling.
105: Is XANGEL® compliant with pharmacopeial standards?
Yes, XANGEL® meets USP compliance, ensuring high-quality and safe use in pharmaceutical formulations.
106: How does XANGEL® improve formulations?
XANGEL® increases viscosity, stabilises emulsions, prevents sedimentation of insoluble particles, and enhances the consistency of liquid or semi-solid formulations.
107: What dosage forms is XANGEL® suitable for?
It is primarily suitable for liquid orals and topical applications, though it also finds use in broader industries like food and agriculture.
108: What is the CAS number of XANGEL®?
The CAS number for Xanthan Gum (XANGEL®) is 11138-66-2.
109: In what grades or variants is XANGEL® available?
XANGEL® is available in Xanthan Gum grade under the INCI name Xanthan Gum.
110. What is Steareth?
Steareth refers to polyethylene glycol ethers of stearic acid, commonly used as emulsifiers in cosmetic and personal care formulations.
111. What are the common applications of Steareth?
Steareth is widely used in personal cleanliness products, deodorants, suntan products, fragrance items, and skin, eye, and hair care products.
112. Why is Steareth used in cosmetics?
It acts as an emulsifier, helping oil and water-based ingredients mix evenly, ensuring smooth and stable formulations.
113. What dosage forms is Steareth suitable for?
Steareth is typically used in topical formulations, such as creams, lotions, and deodorants.
114. Is Steareth safe for use in personal care products?
Yes, Steareth is considered safe for cosmetic and personal care applications when used within recommended concentrations.
115. What are the available grades of Steareth?
The common grades are Steareth-2 and Steareth-12, both of which function as effective emulsifiers in formulations.
116. What is the CAS number of Steareth?
The CAS number for Steareth is 9005-00-9.