Red based KB is mainly used as a colorant for dyeing and printing of cotton, silk, and nylon fiber fabrics, and can be used to prepare fast pigments. Coupled with naphthol AS and naphthol AS-D, it appears bright red.
CAS No.
6259-42-3
Formula
C7H9Cl2N
Molecular Mass
178.05900
Exact Mass
177.01100
PSA
26.02000
Logp
3.61380
IUPAC
5-chloro-2-methylaniline;hydrochloride
Attribute classification
Matter Classification
organic
Category
Chemical and Physical Properties
Melting Point
265-267 °C
Boiling Point
237ºC at 760 mmHg
Flash Point
160ºC
Appearance
A gray white powder that darkens in color after storage.