Benzyltrimethylammonium Chloride,
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This article is compiled based on the United States Pharmacopeia (USP) – 2025 Edition
Issued and maintained by the United States Pharmacopeial Convention (USP)
C6H5CH2N(CH3)3CI 185.69 CAS RN®: 56-93-9.-Available as a 60% aqueous solution. Is clear and is colorless or not more than slightly yellow.
Assay: Pipet 2 mL into a 50-mL volumetric flask, and add water to volume. Pipet 20 mL of the solution into a 125-mL conical flask, add about 30 mL of water, then add 0.25 mL of dichlorofluorescein TS, and titrate with 0.1 N silver nitrate VS. Each mL of 0.1 N silver nitrate is equivalent to 18.57 mg of C6H5CH2N(CH3)3CI. Between 59.5% and 60.5% is found.
