Anisole
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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)
CH3OC6H5 108.14 CAS RN®: 100-66-3.—Colorless liquid.
Assay: Inject an appropriate specimen (about 0.5 μL) into a suitable gas chromatograph (see Chromatography〈621〉) equipped with a flame- ionization detector, nitrogen being used as the carrier gas. The following conditions have been found suitable: a 30-m capillary column is coated with phase G3; the injection port and detector temperatures are maintained at 140° and 300°, respectively; the column temperature is maintained at 70° and programmed to rise 10° per minute to 170°. The area of the anisole peak is not less than 99% of the total peak area.
Refractive Index〈831〉: 1.5160 at 20°.
