3′-Hydroxyacetophenone,
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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)
C8H8O2 136.15 CAS RN®: 121-71-1.-Light brown powder chips and chunks. Melts at about 96. Sparingly soluble in chloroform, yielding a clear, light yellow solution.
Assay: Inject an appropriate specimen into a suitable 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 - 1 capillary column coated with G1; the detector and the injection port temperatures are maintained at 300°; the column temperature is maintained at 180° and programmed to rise 10° per minute to 280° and held at that temperature for 10 minutes. The area of the main peak is not less than 97% of the total peak area.
