p-Acetotoluidide
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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)
C9H11NO 149.19 CAS RN®: 103-89-9.—White to off-white powder.
Assay: Inject an appropriate volume 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 × 30-m capillary column coated with a 1-μm layer of phase G2; the injection port temperature is maintained at 230°; the detector temperature is maintained at 300°; and the column temperature is maintained at 130° and programmed to rise 10° per minute to 280°. The area of the C H NO peak is not less than 98.5% of the total peak area.
Melting Range 〈741〉: between 145° and 151°.
