Benzoic acid, 5-[[4'-[(2,6-diamino-3-methyl-5-sulfophenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-2-hydroxy-3-methyl-, disodium salt

Product Name
Benzoic acid, 5-[[4'-[(2,6-diamino-3-methyl-5-sulfophenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-2-hydroxy-3-methyl-, disodium salt
CAS No.
2868-76-0
Chemical Name
Benzoic acid, 5-[[4'-[(2,6-diamino-3-methyl-5-sulfophenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-2-hydroxy-3-methyl-, disodium salt
Synonyms
Direct Orange 7;C.I.Direct Orange 7:C.I.23380;Benzoic acid, 5-[[4'-[(2,6-diamino-3-methyl-5-sulfophenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-2-hydroxy-3-methyl-, disodium salt
CBNumber
CB94790018
Molecular Formula
C29H26N6Na2O6S
Formula Weight
632.59788
MOL File
2868-76-0.mol
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Hazard and Precautionary Statements (GHS)

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Benzoic acid, 5-[[4'-[(2,6-diamino-3-methyl-5-sulfophenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-2-hydroxy-3-methyl-, disodium salt Chemical Properties,Usage,Production

Preparation

3,3′-Dimethylbenzidine double nitriding, first with 2-Hydroxy-3-methylbenzoic acid coupling, again with 2,4-Diamino-5-methylbenzenesulfonic acid coupling

Properties and Applications

yellow orange. Soluble in water for gold orange, and adequate soluble in ethanol for golden brown. The strong sulfuric acid for purple (have dark), for dark yellow brown after diluted.

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

Benzoic acid, 5-[[4'-[(2,6-diamino-3-methyl-5-sulfophenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-2-hydroxy-3-methyl-, disodium salt Preparation Products And Raw materials

Raw materials

Preparation Products

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Benzoic acid, 5-[[4'-[(2,6-diamino-3-methyl-5-sulfophenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-2-hydroxy-3-methyl-, disodium salt Suppliers

2868-76-0, Benzoic acid, 5-[[4'-[(2,6-diamino-3-methyl-5-sulfophenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-2-hydroxy-3-methyl-, disodium saltRelated Search:


  • Benzoic acid, 5-[[4'-[(2,6-diamino-3-methyl-5-sulfophenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-2-hydroxy-3-methyl-, disodium salt
  • C.I.Direct Orange 7:C.I.23380
  • Direct Orange 7
  • 2868-76-0