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Direct Green 43

Direct Green 43 Structure
Direct Green 43 structure
CAS No.
Chemical Name:
Direct Green 43
Synonyms
Direct Green 43;C.I.Direct Green 43:C.I.34280
CBNumber:
CB59702986
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
Mol file
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Direct Green 43 Chemical Properties,Uses,Production

Preparation

5-Acetamido-8-amino-2-naphthalenesulfonic acid diazo, and 5-Aminonaphthalene-2-sulfonic acid coupling, again diazo, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, its product to diazo, and 2-Methyl-2H-indazole coupling, and then hydrolysis acetyl amino.

Properties and Applications

dark blue light green. Soluble in water for dark green light grey-blue, soluble in ethanol.concentrated sulfuric acid in light gray black, Gray light purple for diluted. The dye solution to join strong hydrochloric acid have blue-ray black precipitation, add thick sodium hydroxide solution for red light blue-black, precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
AATCC 3 3-4 3 4 4

Direct Green 43 Preparation Products And Raw materials

Raw materials

2-METHYL-2H-INDAZOLE 6-Amino-4-hydroxy-2-naphthalenesulfonic acid 1-Aminonaphthalene-6-sulfonic acid 5-acetamido-8-amino-2-naphthalenesulfonic acid

Preparation Products

(Direct Green 43)Related Search:

Direct Green 55 4-[(4-Amino-2-sodiosulfophenyl)azo]-2-ethoxy-1'-hydroxy-6'-[[4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoyl]amino][1,2'-azobisnaphthalene]-3',6-disulfonic acid disodium salt 2,7-Naphthalenedisulfonic acid, 5-[(4-aminobenzoyl)amino]-3-[[4-[(2-chloro-6-methyl-4-sulfophenyl)azo]-2-ethoxy-6-sulfo-1-naphthalenyl]azo]-4-hydroxy-, tetrasodium salt tetrasodium 5-[[6-[(3-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-6-ethoxy-8-[[7-sulphonato-4-[(3-sulphonatophenyl)azo]naphthyl]azo]naphthalene-2-sulphonate DIAMINE GREEN B
Direct Green 59 1-Naphthalenesulfonic acid, 6-[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-8-hydroxy-6-sulfo-1-naphthalenyl]azo]-, trisodium salt Direct Green 58 1-Naphthalenesulfonic acid, 4-amino-5-hydroxy-6-[[4'-[(4-hydroxyphenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-, monosodium salt

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Direct Green 43 C.I.Direct Green 43:C.I.34280