必应染料-您身边的染料专家

Direct Brown 147

Name:C.I.Direct Brown 147,C.I.23360

Molecular Structure: Double azo class

C.I.Direct Brown 147,C.I.23360,CAS 8003-80-3,538.55,C26H23N6NaO4S3,Para Brown 3G

C.I.Direct Brown 147,C.I.23360,CAS 8003-80-3,538.55,C26H23N6NaO4S3,Para Brown 3G

Molecular Formula:C26H23N6NaO4S3

Molecular Weight: 538.55

CAS Registry Number:8003-80-3

Manufacturing Methods : 3,3′-Dimethylbenzidine double nitriding, first and 2,4-Diaminobenzenesulfonic acid coupling, again with phenol coupling.

Properties and Applications: dark orange to brown. Moderate soluble in water for orange brown, slightly soluble in ethanol for yellow light brown. In the dark for the strong sulfuric acid, diluted is shallow brown. The dye solution with strong hydrochloric acid have dark brown precipitation; Add thick sodium hydroxide solution for orange brown.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 2 3 3 3 3

List of Suppliers:

Para Brown 3G( Bayer Group )


Leave a Reply