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C.I. Direct brown 62

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C.I. Direct brown 62 Basic information
Product Name:C.I. Direct brown 62
Synonyms:C.I. Direct brown 62;C.I.Direct Brown 62:C.I.31720;Direct Brown 62
CAS:8003-56-3
MF:C36H28N8O9S2.3Na
MW:849.77
EINECS:
Product Categories:
Mol File:Mol File
C.I. Direct brown 62 Structure
C.I. Direct brown 62 Chemical Properties
EPA Substance Registry SystemC.I. Direct Brown 62 (8003-56-3)
Safety Information
MSDS Information
C.I. Direct brown 62 Usage And Synthesis
Preparation4-(4-Aminophenyl)benzenamine double nitriding,first coupled with 2-Hydroxybenzoic acid, then with 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, and 2,4-Diamino-5-methylbenzenesulfonic acid coupling.
Properties and Applicationsred light brown. Soluble in water for orange brown, slightly soluble in alcohol. In the dark for the strong sulfuric acid, diluted is shallow brown. The dye solution to join strong hydrochloric acid with brown precipitation; Add thick sodium hydroxide solution for orange brown, have precipitation.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 1 3-4 2 1-2 2
C.I. Direct brown 62 Preparation Products And Raw materials
Raw materials1-Naphthylamine-7-sulfonic acid-->Salicylic acid-->Benzidine-->1-Aminonaphthalene-6-sulfonic acid-->4,6-diaminotoluene-3-sulphonic acid
Tag:C.I. Direct brown 62(8003-56-3) Related Product Information
Direct Brown 57 6-Amino-4-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt disodium 5-[[4'-[[4-[(4-hydroxyphenyl)azo]-6(or 7)-sulphonato-1-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate DIRECT BROWN 6 Benzoic acid, 5-[[4'-[[7-(dimethylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt DIRECT BROWN 59 Direct Brown 61 Benzoic acid, 5-[[4'-[(2-amino-3-hydroxy-6-sulfo-1-naphthalenyl)azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt [2,6'-Bibenzothiazole]-7-sulfonic acid, 2'-[4-[(2,4-diamino-5-methylphenyl)azo]phenyl]-6-methyl-, monosodium salt