Nonadecane
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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)
C19H40 268.52 CAS RN®: 629-92-5. - White solid.
Assay: Inject an appropriate specimen into a suitable gas chromatograph (see Chromatography 〈621〉) equipped with a thermal conductivity detector, helium being used as the carrier gas. The following conditions have been found suitable: 3-mm × 1.8-m stainless steel column containing 5% phase G2 on support S1AB; the injection port temperature is maintained at 330°; the detector temperature is maintained at 300°; and the oven temperature is held initially at 190° and allowed to rise gradually to 250°. The area of the nonadecane peak is not less than 99% of the total peak area.
Melting Range 〈741〉: between 31.5° and 33.5°.
