Direct Dyes Direct Brown 44, Direct Brown Nb, Direct Brown SL

China Direct Dyes Direct Brown 44, Direct Brown Nb, Direct Brown SL, Find details about China Direct Dyes, Dyetuff from Direct Dyes Direct Brown 44, Direct Brown Nb, Direct Brown SL

C.I.No.
Direct Brown 44
Light Fastness
2
Washing Fatness
3
Rubbing Fastness
4
Trademark
emperor
Transport Package
Bag
Origin
China
HS Code
3204140000
C.I.No.
Direct Brown 44
Light Fastness
2
Washing Fatness
3
Rubbing Fastness
4
Trademark
emperor
Transport Package
Bag
Origin
China
HS Code
3204140000
Direct Dyes Direct Brown 44, Direct Brown Nb, Direct Brown SL

Name:C.I.Direct Brown 44,C.I.35005

Molecular Structure: Multi-azo class
 
C.I.Direct Brown 44,C.I.35005,CAS 6252-62-6,758.7,C30H24N12Na2O6S2,Direct Brown NB,Direct Brown SL,Direct Brown 3G

Molecular Formula:C30H24N12Na2O6S2

Molecular Weight: 758.7

CAS Registry Number:6252-62-6

Manufacturing Methods :2 moles of nitrous acid treatment with 3 moles of  Benzene-1,3-diamine dihydrochloride (This product may be based on the disazo dye mixture as the main ingredient, and commercial dyes are usually composed by a dihydrochloride). And its product   (C.I. Basic Brown 1, C.I. 21000) as coupling component and diazotized 4-Aminobenzenesulfonic acid (2 mol) coupling
 
Apply to the cellulose fibre paper printing and dyeing and color.
 

StandardAcid ResistanceAlkali ResistanceLight FastnessSoapingWater
FadingStainFadingStain
ISO4522 2 
AATCC3-4421-2 2-3 

 

ONS PHOTOS:

Direct Dyes Direct Brown 44, Direct Brown Nb, Direct Brown SL



FACTORY PHOTOS:
Direct Dyes Direct Brown 44, Direct Brown Nb, Direct Brown SL
Direct Dyes Direct Brown 44, Direct Brown Nb, Direct Brown SL
Direct Dyes Direct Brown 44, Direct Brown Nb, Direct Brown SL
Direct Dyes Direct Brown 44, Direct Brown Nb, Direct Brown SL