ChemicalBook > CAS DataBase List > 1,7-Naphthalenedisulfonic acid, 4-(acetylamino)-6-[[4'-[[2-(acetylamino)-4-amino-5-methylphenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-, disodium salt

1,7-Naphthalenedisulfonic acid, 4-(acetylamino)-6-[[4'-[[2-(acetylamino)-4-amino-5-methylphenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-, disodium salt

Product Name
1,7-Naphthalenedisulfonic acid, 4-(acetylamino)-6-[[4'-[[2-(acetylamino)-4-amino-5-methylphenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-, disodium salt
CAS No.
6473-30-9
Chemical Name
1,7-Naphthalenedisulfonic acid, 4-(acetylamino)-6-[[4'-[[2-(acetylamino)-4-amino-5-methylphenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-, disodium salt
Synonyms
Direct Blue 136;C.I.Direct Blue 136:C.I.24065;1,7-Naphthalenedisulfonic acid, 4-(acetylamino)-6-[[4'-[[2-(acetylamino)-4-amino-5-methylphenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-, disodium salt
CBNumber
CB74750234
Molecular Formula
C35H31N7Na2O11S2
Formula Weight
835.77048
MOL File
6473-30-9.mol
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Hazard and Precautionary Statements (GHS)

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1,7-Naphthalenedisulfonic acid, 4-(acetylamino)-6-[[4'-[[2-(acetylamino)-4-amino-5-methylphenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-, disodium salt Chemical Properties,Usage,Production

Preparation

3,3′-Dimethoxylbenzidine double nitriding, first and 4-Acetamido-5-hydroxynaphthalene-1,7-disulfonic acid?coupling, then with N-(3-amino-4-methylphenyl)acetamide?coupling.

Properties and Applications

blue. Soluble in water for red light blue, soluble in ethanol. The strong sulfuric acid as dark blue light in purple, blue after diluted precipitation. Dye with strong hydrochloric acid solution for violet black, precipitation; With strong sodium hydroxide solution for red light brown, have precipitation; Add 10% sodium hydroxide solution for red light purple.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4 5 2 4 4
AATCC 5 5 2 3 5

1,7-Naphthalenedisulfonic acid, 4-(acetylamino)-6-[[4'-[[2-(acetylamino)-4-amino-5-methylphenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-, disodium salt Preparation Products And Raw materials

Raw materials

Preparation Products

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1,7-Naphthalenedisulfonic acid, 4-(acetylamino)-6-[[4'-[[2-(acetylamino)-4-amino-5-methylphenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-, disodium salt Suppliers