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Carbomer 940

DEFINITION

Carbomer 940 is a high molecular weight polymer of acrylic acid cross-linked with allyl ethers of pentaerythritol. Carbomer 940 contains NLT 56.0% and NMT 68.0% of carboxylic acid (–COOH) groups, calculated on the dried basis. The viscosity of a neutralized 0.5% aqueous dispersion of Carbomer 940 is between 40,000 and 60,000 mPa·s.

USP REFERENCE STANDARDS FOR PURCHASE

USP Carbomer Homopolymer RS
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