carbomer 940 cas 9003-01-4 (1)

Carbomer 940 (CAS 9003-01-4) Ultimate User Guide 2025

1. Product Overview & Specifications

2. Key Applications & Industrial Uses

Top 5 Industrial Applications:

• Cosmetic Gels: Achieve crystal-clear textures in hair styling products (0.8-1.2% concentration)
• Pharmaceuticals: Controlled drug release in topical antibiotics (NF grade compliance)
• Disinfectants: Alcohol-resistant thickening up to 70% ethanol content
• Ophthalmic Solutions: Pseudoplastic behavior for eye drop comfort
• PCR Test Kits: Buffer solution stabilization in diagnostics

3. Performance Comparison Chart

4. Formulation Case Studies

Case 1: Antimicrobial Hand Gel
Formula: 70% ethanol, 1.0% Carbomer 940, 0.2% triethanolamine
Result: Maintained viscosity >5,000 mPa·s after 6-month stability testing

Case 2: Hyaluronic Acid Serum
Formula: 0.5% Carbomer 940, 1% HA, pH adjusted to 6.2
Benefit: Zero precipitation at 4°C storage conditions

5. Verified Customer Success Stories

SkinPharm Ltd. (UK)
Challenge: Needed non-greasy acne treatment gel with 2% salicylic acid
Solution: 0.8% Carbomer 940 created stable gel matrix
Outcome: 23% faster active release vs competing thickeners

MediCare Vietnam
Project: Antiseptic wound dressing hydrogel
Technical Spec: 1.2% Carbomer 940 + 5% glycerin
Result: Passed ISO 10993 skin irritation tests

6. Procurement Guidance

Critical Purchasing Considerations:

• Verify USP/EP/NF compliance certificates
• Request residual solvent analysis report
• Confirm lead times (typically 4-6 weeks for EU imports)

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