2-Hydroxybenzyl Alcohol,
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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)
C7H8O2 124.14 CAS RN®: 90-01-7.-Off-white flakes. Very soluble in alcohol, in chloroform, and in ether; soluble in 15 parts water and in benzene.
Assay: Inject an appropriate specimen into a gas chromatograph (see Chromatography (621)), equipped with a flame-ionization detector, helium being used as the carrier gas. The following conditions have been found suitable: a 0.25-mm x 30-m capillary column coated with a 1-µm layer of phase G2, the injection port temperature is maintained at 250°; the detector temperature is maintained at 300°; and the column temperature is maintained at 150° and programmed to rise 10° per minute to 280°. The area of the C7H8O2 peak is not less than 99% of the total peak area.
MELTING RANGE (741): between 83° and 85°.
