Carbopol® 971P NF polymer meets the limits cited in the current edition of the following monographs: - United States Pharmacopeia/National Formulary (USP/NF) monograph for Carbomer Homopolymer Type A
- European Pharmacopeia (Ph. Eur.) monograph for Carbomers
- India Pharmacopeia (IP) monograph for Carbomers
- China Pharmacopeia (ChP) monograph for Carbomers
- Class I solvents including benzene and 1,2 dichloroethane (to be avoided) and class II solvents including methylene chloride and cyclohexane (to be limited) per ICH Q3C guidance are NOT used as raw materials or in the production of this excipient. But in order to ensure compliance with USP/NF/Ph.Eur/IP/ChP monograph requirements, benzene is tested and reported.
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