Methyl Linolenate
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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)
C19H32O2 292.46 CAS RN®: 301-00-8.-Colorless liquid.
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 x 30-m capillary column coated with a 1-µm layer of phase 14% cyanopropylphenyl-86% dimethylpolysiloxane; the injection port temperature is maintained at 280°; the detector temperature is maintained at 300°; the column temperature is maintained at 180° and programmed to rise 10° per minute to 280°. The area of the C19H32O2 peak is not less than 99% of the total peak area.
REFRACTIVE INDEX (831): between 1.469 and 1.473 at 20°.
