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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

MDL Number:

MOL File:: 1934-22-1.mol

Last updated:2022-12-21 16:56:50

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

FDA UNII	75P517JCQZ

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
Standard	Light Fastness	Fading	Stain	Persperation Fastness	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( 3)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd	15229059051	1027@dideu.com	China	9996	58
Shanghai Zerui Biotechnology Co., Ltd.	021-54580889 18321124657	731997554@qq.com	China	10608	58
Henan Vcommend Consultrading Co., Ltd.	13393721940	sales@vcommend.com	China	9962	58

Supplier	Advantage
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd	58
Shanghai Zerui Biotechnology 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