Thioglycolic Acid
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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)
HSCH2COOH 92.12 CAS RN®: 68-11-1.—A colorless or nearly colorless liquid. Miscible with water. Soluble in alcohol.
Sensitiveness: Mix 1 mL with 2 mL of stronger ammonia water, and dilute with water to 20 mL. Add 1 mL of this solution to a mixture of 20 mL of water and 0.1 mL of dilute ferric chloride TS (1 in 100), then add 5 mL of ammonia TS: a distinct pink color is produced.
