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Appearance:
Light yellow crystal with special smell; in the air, the color gradually darkens into red purple crystal, which can volatilize with water vapor and sublimate. It is soluble in organic solvents such as alcohol and ether, but slightly soluble in water.
Total amino value ≥ 99.5%
Crystallization point ≥ 48.3 ℃
2-naphthylamine ≤ 0.1%
Application:
It is the intermediate of direct dyes, acid dyes, ice dyes and disperse dyes. It is also the main raw material of many kinds of rubber antioxidant. α - naphthol produced by α - naphthylamine is an important intermediate of pesticide carbaryl.
