Ethyl Benzoate
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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)
C9H10O2 150.17 CAS RN®: 93-89-0.—Clear, colorless liquid. Practically insoluble in water; miscible with alcohol, with chloroform,
and with ether.
Assay: Inject an appropriate specimen into a suitable gas chromatograph (see Chromatography 〈621〉), helium being used as the carrier gas. The following conditions have been found suitable: a 3-mm × 2.4-m stainless steel column containing 20% phase G16 on support S1A; the injection port, column, and detector temperatures are maintained at 180°, 195°, and 250°, respectively. The area of the ethyl benzoate peak is not less than 98% of the total peak area.
Refractive Index〈831〉: between 1.5048 and 1.5058 at 20°.
