Carbopol 940 Cosmetic Grade Thickener(CAS 9003-01-4)
Common Name: Carbopol 940
Alias: Carbomer 940, Cross-linked Polyacrylic Acid
CAS Number: 9003-01-4
EINECS Number: 618-347-7
Average Molecular Weight: 3,000,000 - 4,000,000
Standard Purity: Cosmetic Grade ≥99.5%
Appearance: White fluffy fine powder, slight characteristic acrylic odor, strong hygroscopicity
Packaging: 25KG kraft paper bag with inner waterproof plastic bag
Storage Condition: Sealed moisture-proof storage, cool dry warehouse, avoid humid environment and alkaline substances
Shelf Life: 24 months unopened under standard storage
Core Application: Transparent gel thickening, skincare emulsion suspension, cosmetic stabilizer, topical pharmaceutical gel, hand sanitizer gel, skincare sustained-release matrix raw material.
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Carbopol 940 Cosmetic Grade Thickener(CAS 9003-01-4)
Carbopol 940 (CAS 9003-01-4) is a high-efficiency cross-linked acrylic acid polymer thickener, polymerized and crosslinked with allyl pentaerythritol monomer. It features high thickening efficiency, excellent suspension performance and crystal clear gel forming ability. This cosmetic grade carbomer 940 adopts low-residue polymerization process, strictly controlled dioxane and monomer residue, neutral gel with fine smooth texture, no grainy feel. It is the most widely used water-phase thickening gelling agent for global skincare and disinfection products, steadily supplied for B2B cosmetic factories, daily chemical plants and pharmaceutical gel manufacturers worldwide.
Key Benefits
• High-efficiency thickening: Low dosage achieves high viscosity, save formulation production cost
• High transparency gel: Form crystal clear gel without milky turbidity after neutralization
• Excellent suspension stability: Stabilize insoluble particles, prevent essence particle precipitation
• Low irritation formula: Strict harmful residue control, safe for facial and sensitive skincare
• Wide pH compatibility: Stable thickening performance within cosmetic conventional pH range
Applications
• Transparent Skincare: Hydrating gel, brightening essence gel, soothing after-sun gel
• Disinfection Daily Chemical: Alcohol-free hand sanitizer gel, antibacterial cleaning gel
• Functional Essence: Suspended particle essence, exfoliating bead skincare serum
• Special Cosmetics: Eyegel, lip gloss thickener, long-stable facial emulsion
Certificate Of Analysis (COA)
Test Item | Standard Specification | Test Result | Test Method |
Carbopol 940 Assay | ≥99.50% | 99.73% | Acid-base Titration |
Appearance | White fluffy fine powder | Qualified | Visual Inspection |
Viscosity (0.5% neutralized solution) | 40000-60000 mPa·s | 51200 mPa·s | Rotational Viscometer Test |
1% Dispersion pH | 2.5 - 3.5 | 3.1 | Digital pH Meter Test |
Loss on Drying | ≤2.00% | 1.15% | Vacuum Drying Method |
Dioxane Residue | ≤30ppm | 12.6ppm | GC-MS Detection |
Heavy Metal(Pb) | ≤2ppm | 0.7ppm | ICP-MS Test |
Conclusion | Compliant with SCCS/REACH/FDA Cosmetic Thickener Standard | Passed | Full Item Factory Inspection |
Frequently Asked Questions (FAQ)
1. What neutralizer is the best for Carbopol 940 gel forming? Triethanolamine is the most suitable neutralizing agent.
2. What is recommended dosage for transparent skincare gel? Standard addition: 0.2%-0.6% for gel formula.
4. Will high salt content affect its thickening effect? High electrolyte will reduce partial thickening viscosity.
6. How to avoid powder agglomeration during feeding? Disperse slowly under low-speed stirring.
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