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ChemicalBook > Product Catalog >Pharmaceutical intermediates >disodium 4,5-dihydro-5-oxo-4-(phenylazo)-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate

disodium 4,5-dihydro-5-oxo-4-(phenylazo)-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate

disodium 4,5-dihydro-5-oxo-4-(phenylazo)-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate Structure
CAS No.
1934-22-1
Chemical Name:
disodium 4,5-dihydro-5-oxo-4-(phenylazo)-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate
Synonyms
C.I.19130;C.I.Acid Yellow 27;Tartrazine Impurity 5;C.I.Acid Yellow 27:C.I.19130;disodium 4,5-dihydro-5-oxo-4-(phenylazo)-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate;4,5-Dihydro-5-oxo-4-(phenylazo)-1-(4-sulfophenyl)-1H-pyrazole-3-carboxylic acid disodium salt
CBNumber:
CB4881531
Molecular Formula:
C16H10N4Na2O6S
Molecular Weight:
432.31834
MOL File:
1934-22-1.mol
Modify Date:
2022/12/21 16:56:50
Request For Quotation

disodium 4,5-dihydro-5-oxo-4-(phenylazo)-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate Chemical Properties,Uses,Production

Preparation

aniline diazo, and 5-Oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid coupling.

Properties and Applications

yellow. Soluble in water, ethanol, acetone yellow. The strong sulfuric acid to tan, diluted to become red, and then a tan hairy precipitation. Its water solution and strong hydrochloric acid have brown yellow light precipitation; Add sodium hydroxide have precipitation. Used for wool, silk, vinegar fine fiber dyeing and leather and paper color, also can be used as organic pigments.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 4 1 5 4 1 5 2-3

disodium 4,5-dihydro-5-oxo-4-(phenylazo)-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate Preparation Products And Raw materials

Raw materials

1-(4'-Sulfophenyl)-3-carboxy-5-pyrazolone Aniline

Preparation Products

disodium 4,5-dihydro-5-oxo-4-(phenylazo)-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate Suppliers

Global( 4)Suppliers
Supplier Tel Country ProdList Advantage Inquiry
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd 15229059051 China 9971 58 Inquiry
Shanghai Zerui Biotechnology Co., Ltd. 021-54580889 18321124657 China 10614 58 Inquiry
Hubei Ruinuo Pharmaceutical Technology Co., Ltd 13165688766 China 5000 58 Inquiry
Henan Vcommend Consultrading Co., Ltd. 13393721940 China 10203 58 Inquiry
Supplier Advantage
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd 58
Shanghai Zerui Biotechnology Co., Ltd. 58
Hubei Ruinuo Pharmaceutical Technology Co., Ltd 58
Henan Vcommend Consultrading Co., Ltd. 58

1934-22-1(disodium 4,5-dihydro-5-oxo-4-(phenylazo)-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate )Related Search:

Acid Yellow 257 ACID YELLOW 29 Acid Yellow 262 C.I. Acid Yellow 26 Quinoline Yellow
Acid Yellow 250 disodium [2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)][2-[[4,5-dihydro-3-methyl-5-oxo-1-(4-sulphophenyl)-1H-pyrazol-4-yl]azo]benzoato(3-)]chromate(2-) Acid Yellow 261 Acid Yellow 260
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disodium 4,5-dihydro-5-oxo-4-(phenylazo)-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate 4,5-Dihydro-5-oxo-4-(phenylazo)-1-(4-sulfophenyl)-1H-pyrazole-3-carboxylic acid disodium salt C.I.19130 C.I.Acid Yellow 27 Tartrazine Impurity 5 C.I.Acid Yellow 27:C.I.19130 1934-22-1