disodium 4-amino-3-[[4'-[(2-amino-6-sulphonatonaphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]naphthalene-1-sulphonate
- CAS NO.:6598-56-7
- Empirical Formula: C34H26N6Na2O6S2
- Molecular Weight: 724.71638
- EINECS: 229-537-0
- SAFETY DATA SHEET (SDS)
What is disodium 4-amino-3-[[4'-[(2-amino-6-sulphonatonaphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]naphthalene-1-sulphonate?
Preparation
3,3′-Dimethylbenzidine double nitriding, respectively with the 4-Hydroxynaphthalene-1-sulfonic acid and 6-Aminonaphthalene-2-sulfonic acid coupling.
Properties and Applications
colourful red yellow light. Soluble in water for yellow light red, slightly soluble in ethanol in red. The strong sulfuric acid for violet blue, purple and blue after diluted precipitation. The dye solution to join strong hydrochloric acid for violet blue; Add thick more yellow sodium hydroxide solution.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 2 | 5 | 1-2 | 3 |
Safety information for disodium 4-amino-3-[[4'-[(2-amino-6-sulphonatonaphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]naphthalene-1-sulphonate
Related products of tetrahydrofuran
Direct red 72
C.I. Direct red 74
BENZOPURPURIN 10B
Direct Red 69
4-Amino-3-[[4'-[(2,4-dihydroxyphenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt
7-[[[[4-(Acetylamino)phenyl]amino]carbonyl]amino]-4-hydroxy-3-[(2-methylphenyl)azo]-2-naphthalenesulfonic acid sodium salt
7-[[[[4-(Acetylamino)phenyl]amino]carbonyl]amino]-4-hydroxy-3-[(2-methoxyphenyl)azo]-2-naphthalenesulfonic acid sodium salt
[2,6'-Bibenzothiazole]-7-sulfonic acid, 2'-[4-[(2-hydroxy-6-sulfo-1-naphthalenyl)azo]phenyl]-6-methyl-, disodium salt
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