色酚 AS ITR

NAPHTHOL AS-ITR

 

SYNONYM: C.I. Azoic Coupling Component No. 12; 2-Naphthalenecarboxamide, N-(5-chloro-2,4-dimethoxyphenyl)-3-hydroxy-; (3-hydroxy-2-naphthoyl)-5-chloro-2,4-dimethoxyanilide; (3-Hydroxy-2-naphthoyl)-5'-chloro-2',4'-dimethoxyanilide; C.I. 37550;

 

FORMULA: C19H16ClNO4

 

M. W.: 357.7927

 

CAS NO.: 92-72-8

 

DESCRIPTION: LIGHT GRAY HOMOGENEOUS POWDER.

 

SPECIFICATIONS:

CONTENT

98% MIN.

MELTING POINT

191 MIN.

INSOLUBLE MATTER

0.20% MAX.

2,3 ACID

0.30% MAX.

 

PACKINGIN 25KGS NET PER BAG.