C.I. Direct brown 62

Product Name
C.I. Direct brown 62
CAS No.
8003-56-3
Chemical Name
C.I. Direct brown 62
Synonyms
Direct Brown 62;C.I. Direct brown 62;C.I.Direct Brown 62:C.I.31720
CBNumber
CB22497576
Molecular Formula
C36H28N8O9S2.3Na
Formula Weight
849.77
MOL File
Mol file
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C.I. Direct brown 62 Property

EPA Substance Registry System
C.I. Direct Brown 62 (8003-56-3)
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Hazard and Precautionary Statements (GHS)

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C.I. Direct brown 62 Chemical Properties,Usage,Production

Preparation

4-(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 Applications

red 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 materials

Preparation Products

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C.I. Direct brown 62 Suppliers

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8003-56-3, C.I. Direct brown 62Related Search:

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

  • C.I. Direct brown 62
  • C.I.Direct Brown 62:C.I.31720
  • Direct Brown 62
  • 8003-56-3