(Any article currently titled Carbomer 940 that is manufactured without the use of benzene will be officially titled Carbomer Homopolymer after January 1, 2011.) » Carbomer 940 is a high molecular weight polymer of acrylic acid cross-linked with allyl ethers of pentaerythritol.
What is the carbomer 934P name for benzene?
Labeling— If benzene has been used in the manufacturing process, the name of the article will be Carbomer 934, Carbomer 934P, Carbomer 940, or Carbomer 941, whichever is appropriate. In addition, when benzene is used, the labeling requirements for the referenced individual Carbomer are applicable.
What is the aqueous dispersion of 940 carbomer?
Carbomer 940, previously dried in vacuum at 80 for 1 hour, contains not less than 56.0 percent and not more than 68.0 percent of carboxylic acid (–COOH) groups. The viscosity of a neutralized 0.5 percent aqueous dispersion of Carbomer 940 is between 40,000 and 60,000 centipoises.
Is carbopol 940 NF toxic?
This assessment and subsequent toxicology testing have demonstrated a low toxicity and irritation potential. Lubrizol has supporting data for dermal, ocular, and oral toxicology testing for Carbopol 940 NF polymer. Bulletin 2 provides a summary of all toxicology studies for Lubrizol’s pharmaceutical grade polymers.
