4-[[4-[[[4-[(3-Carboxy-4-hydroxyphenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylic acid disodium salt

Product Name
4-[[4-[[[4-[(3-Carboxy-4-hydroxyphenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylic acid disodium salt
CAS No.
2896-76-6
Chemical Name
4-[[4-[[[4-[(3-Carboxy-4-hydroxyphenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylic acid disodium salt
Synonyms
C.I.25220;Direct Yellow 15;C.I.Direct Yellow 15;C.I.Direct Yellow 15:C.I.25220;4-[[4-[[[4-[(3-Carboxy-4-hydroxyphenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylic acid disodium salt
CBNumber
CB12323708
Formula Weight
0
MOL File
2896-76-6.mol
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Hazard and Precautionary Statements (GHS)

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4-[[4-[[[4-[(3-Carboxy-4-hydroxyphenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylic acid disodium salt Chemical Properties,Usage,Production

Preparation

4-Nitrobenzenamine diazo, coupled with 2-Hydroxybenzoic acid, will the nitro reduction, and 4-Amino-N-(4-aminophenyl)benzamide?condensation , then the nitro reduction, and then diazo, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one? coupling.

Properties and Applications

red light yellow. Moderate soluble in water for golden brown, soluble in ethanol. The strong sulfuric acid for gold in orange, for yellow brown after diluted. The dye solution to join strong hydrochloric acid for golden brown, precipitation; Add thick sodium hydroxide solution for gold orange.

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

4-[[4-[[[4-[(3-Carboxy-4-hydroxyphenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylic acid disodium salt Preparation Products And Raw materials

Raw materials

Preparation Products

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4-[[4-[[[4-[(3-Carboxy-4-hydroxyphenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylic acid disodium salt Suppliers

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2896-76-6, 4-[[4-[[[4-[(3-Carboxy-4-hydroxyphenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylic acid disodium saltRelated Search:

Direct Yellow 142 Direct Yellow 143 DIRECT YELLOW 147 Direct Yellow 161 Direct Yellow 153 DIRECT YELLOW 154 1,5-Naphthalenedisulfonic acid, 3,3'-[1,4-piperazinediylbis[(6-chloro-1,3,5-triazine-4,2-diyl)imino [2-(acetylamion)-4,1-phenylene]bis-, tetrasodium salt disodium 2-[4-[[1-[[(2-methoxy-5-methyl-4-sulphonatophenyl)amino]carbonyl]-2-oxopropyl]azo]phenyl]-6-methylbenzothiazole-7-sulphonate Direct Yellow 148:1

  • 4-[[4-[[[4-[(3-Carboxy-4-hydroxyphenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylic acid disodium salt
  • C.I.25220
  • C.I.Direct Yellow 15
  • Direct Yellow 15
  • C.I.Direct Yellow 15:C.I.25220
  • 2896-76-6