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2,7-Naphthalenedisulfonic acid, 3-[(4-aminophenyl)azo]-4-hydroxy-5-[[(4-methylphenyl)sulfonyl]amino]-, disodium salt

2,7-Naphthalenedisulfonic acid, 3-[(4-aminophenyl)azo]-4-hydroxy-5-[[(4-methylphenyl)sulfonyl]amino]-, disodium salt Structure
2,7-Naphthalenedisulfonic acid, 3-[(4-aminophenyl)azo]-4-hydroxy-5-[[(4-methylphenyl)sulfonyl]amino]-, disodium salt structure
CAS No.
6441-95-8
Chemical Name:
2,7-Naphthalenedisulfonic acid, 3-[(4-aminophenyl)azo]-4-hydroxy-5-[[(4-methylphenyl)sulfonyl]amino]-, disodium salt
Synonyms
Acid Blue 21;C.I.Acid Blue 21:C.I.18120;2,7-Naphthalenedisulfonic acid, 3-[(4-aminophenyl)azo]-4-hydroxy-5-[[(4-methylphenyl)sulfonyl]amino]-, disodium salt
CBNumber:
CB04750699
Molecular Formula:
C23H18N4Na2O9S3
Molecular Weight:
636.58496
MDL Number:
MOL File:
6441-95-8.mol
Request For Quotation

2,7-Naphthalenedisulfonic acid, 3-[(4-aminophenyl)azo]-4-hydroxy-5-[[(4-methylphenyl)sulfonyl]amino]-, disodium salt Chemical Properties,Uses,Production

Preparation

(a) N-(3-aminophenyl)acetamide diazo, and 8-(4-Methylphenylsulfonamido)-1-naphthol-3,6-disulfonic acid coupling, hydrolysis acetyl groups; (b) 4-Nitrobenzenamine diazo, and 8-(4-Methylphenylsulfonamido)-1-naphthol-3,6-disulfonic acid coupling, and then will the nitro reduction.

Properties and Applications

red light blue. Soluble in water for red purple. The strong sulfuric acid for red, diluted the same color. In water solution to join strong hydrochloric acid for brick red; Add 10% sodium hydroxide solution for blu-ray red. The sun fastness medium.

2,7-Naphthalenedisulfonic acid, 3-[(4-aminophenyl)azo]-4-hydroxy-5-[[(4-methylphenyl)sulfonyl]amino]-, disodium salt Preparation Products And Raw materials

Raw materials

8-(4-methylphenylsulfonamido)-1-naphthol-3,6-disulfonicacid N1-(3-Aminophenyl)acetamide 4-Nitroaniline

Preparation Products

6441-95-8(2,7-Naphthalenedisulfonic acid, 3-[(4-aminophenyl)azo]-4-hydroxy-5-[[(4-methylphenyl)sulfonyl]amino]-, disodium salt)Related Search:

sodium hydrogen -2-hydroxy-5-[[4-[[4-[(4-hydroxy-3-sulphonatophenyl)amino]phenyl](1-methyl-2-phenyl-1H-indol-3-yl)methylene]-2,5-cyclohexadien-1-ylidene]amino]benzenesulphonate ACID BLUE 183 ACID BLUE 185 UNIBLUE A SODIUM SALT Xanthylium, 9-(2-carboxy-3,6-dichlorophenyl)-3-[(4-ethoxyphenyl)amino]-6-[(4-ethoxysulfophenyl)amino]-, inner salt, monosodium salt
ACID BLUE 161, PURE Chromate(3-), bis[4-(acetylamino)-5-(hydroxy-κO)-6-[2-[2,3,5-trichloro-6-(hydroxy-κO)phenyl]diazenyl-κN1]-1-naphthalenesulfonato(3-)]-, sodium hydrogen (1:2:1) ACID BLUE 20 Acid blue 198

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2,7-Naphthalenedisulfonic acid, 3-[(4-aminophenyl)azo]-4-hydroxy-5-[[(4-methylphenyl)sulfonyl]amino]-, disodium salt C.I.Acid Blue 21:C.I.18120 Acid Blue 21 6441-95-8