4-Amino-3,6-bis[[4-[(2,4-diamino-5-methylphenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulfonic acid disodium salt

CAS No.
6745-67-1
Chemical Name:
4-Amino-3,6-bis[[4-[(2,4-diamino-5-methylphenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulfonic acid disodium salt
Synonyms
C.I.35260;Rayon Black R;Direct Black 28;Cutamin Black CV;C.I.Direct Black 28;Columbia Fast Black V;C.I.Direct Black 28:C.I.35260;4-Amino-3,6-bis[[4-[(2,4-diamino-5-methylphenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulfonic acid disodium salt;sodium,4-amino-3-[[4-[(2,4-diamino-5-methylphenyl)diazenyl]phenyl]diazenyl]-6-[[4-[(2,4-diamino-5-methylphenyl)diazenyl]phenyl]hydrazinylidene]-5-oxonaphthalene-2,7-disulfonic acid
CBNumber:
CB12169557
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
6745-67-1.mol
MSDS File:
SDS

4-Amino-3,6-bis[[4-[(2,4-diamino-5-methylphenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulfonic acid disodium salt Chemical Properties,Uses,Production

Preparation

4-Nitrobenzenamine (2 Moore) diazo, one in acid conditions, a in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid (1 Moore) coupling, and then will the nitro reduction for amino, again diazo, and 4-Methylbenzene-1,3-diamine (2 Moore) coupled.

Properties and Applications

black. Soluble in water for blue-ray black, slightly soluble in ethanol is green. The strong sulfuric acid for blue-ray green, blue after diluted precipitation. The dye solution to join strong hydrochloric acid blue precipitation; Add thick sodium hydroxide solution for green light blue.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 2-3 5 3-4 1-2 2-3

4-Amino-3,6-bis[[4-[(2,4-diamino-5-methylphenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulfonic acid disodium salt Preparation Products And Raw materials

Global( 3)Suppliers
Supplier Tel Email Country ProdList Advantage
career henan chemical co
+86-0371-86658258 sales@coreychem.com China 29914 58
Hubei Jusheng Technology Co.,Ltd.
18871490254 linda@hubeijusheng.com CHINA 28180 58
Shanghai Pleikon Chemical Technology Co., Ltd 021-021-54321516 17717324060 2719672468@qq.com China 496 58

View Lastest Price from 4-Amino-3,6-bis[[4-[(2,4-diamino-5-methylphenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulfonic acid disodium salt manufacturers

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4-Amino-3,6-bis[[4-[(2,4-diamino-5-methylphenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulfonic acid disodium salt pictures 2019-09-02 4-Amino-3,6-bis[[4-[(2,4-diamino-5-methylphenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulfonic acid disodium salt
6745-67-1
US $1.00 / KG 1KG ≥98% 200kg Career Henan Chemical Co
4-Amino-3,6-bis[[4-[(2,4-diamino-5-methylphenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulfonic acid disodium salt C.I.35260 C.I.Direct Black 28 Columbia Fast Black V Cutamin Black CV Rayon Black R sodium,4-amino-3-[[4-[(2,4-diamino-5-methylphenyl)diazenyl]phenyl]diazenyl]-6-[[4-[(2,4-diamino-5-methylphenyl)diazenyl]phenyl]hydrazinylidene]-5-oxonaphthalene-2,7-disulfonic acid Direct Black 28 C.I.Direct Black 28:C.I.35260 6745-67-1