3-Chloroaniline,
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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)
C6H6O CIN 127.57 CAS RN®: 108-42-9.-Colorless to light brown liquid. Soluble in acid and in most organic solvents; practically insoluble in water.
Assay: Inject an appropriate specimen 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 - 4 capillary column coated with a 1-µm layer of phase G2; the injection port temperature is maintained at 250°; the detector temperature is maintained at 300°; and the column temperature is maintained at 150° and programmed to rise 10° per minute to 280°. The area of the C6H6O CIN peak is not less than 99% of the total peak area.
REFRACTIVE INDEX (831): between 1.592 and 1.596 at 20°
