hydrogen bis[3-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphamoylphenyl)-1H-pyrazol-4-yl]azo]-4-hydroxybenzenesulphonamidato(2-)]chromate(1-)

CAS NO.：6656-00-4
Empirical Formula: C32H29CrN12O12S4
Molecular Weight: 953.89
EINECS: 229-685-6
Update Date: 2025-12-31 14:38:37

What is hydrogen bis[3-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphamoylphenyl)-1H-pyrazol-4-yl]azo]-4-hydroxybenzenesulphonamidato(2-)]chromate(1-)?

Preparation

3-Amino-4-hydroxybenzenesulfonamide diazo, and 3-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonamide?coupling, and then translate into chromium complex.

Properties and Applications

dark red light orange. The strong sulfuric acid for green light yellow, diluted into yellow. Used for wool, silk, polyamide fiber dyeing and such as direct printing. Can be used in organic pigments and solvent dye, also used in leather shading.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
Standard	Light Fastness	Fading	Stain	Persperation Fastness	Fading	Stain	Fading	Stain
ISO	7	4	4-5	5			5
AATCC	7	4	4	4	4		5

Properties of hydrogen bis[3-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphamoylphenyl)-1H-pyrazol-4-yl]azo]-4-hydroxybenzenesulphonamidato(2-)]chromate(1-)

EPA Substance Registry System

Chromate(1-), bis[3-[[1-[3-(aminosulfonyl)phenyl]-4,5-dihydro-3-methyl-5-(oxo-.kappa.O)-1H-pyrazol-4-yl]azo-.kappa.N1]-4-(hydroxy-.kappa.O)benzenesulfonamidato(2-)]-, hydrogen (6656-00-4)

Safety information for hydrogen bis[3-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphamoylphenyl)-1H-pyrazol-4-yl]azo]-4-hydroxybenzenesulphonamidato(2-)]chromate(1-)

Computed Descriptors for hydrogen bis[3-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphamoylphenyl)-1H-pyrazol-4-yl]azo]-4-hydroxybenzenesulphonamidato(2-)]chromate(1-)

New Products

Levothyroxine Impurity-F Montelukast EP Impurity-D/Montelukast USP Related Compound C Atorvastatin FXA Impurity/Atorvastatin Cyclic 6-Hydroxy Impurity Sodium Salt Isosulfan blue Keto N-Oxide Impurity Ivermectin Impurity F N-Nitroso des Methyl Tramadol/N-Nitroso-N-Desmethyl-Tramadol DL-beta-(3-Bromophenyl)alanine Tetrabutylammonium perchlorate N,O-Dimethylhydroxylamine hydrochloride (RS)-beta-Amino-beta-(4-bromophenyl)propionic acid 2-Amino-5-bromo-4-(trifluoromethyl)pyridine（RM for Indian lab) N,N CARBONYL DIIMIDAZOLE (R)-BoroLeu-(+)-Pinanediol-CF3COOH 1,4-bis(methylsulfonyl)butane 4-(5-amino-1-methyl-1h-benzoimidazol-2-yl)-butyric acid isopropyl ester. 5-Methyl-1,3-benzenediacetonitrile 4-Fluorothiophenol 1-methyl amino-2,4-dinitro benzene CSA (DL-10-Camphorsulfonic Acid) 2-Hydroxy-4-methylnicotinic acid 3-iodo-1H-pyrazolo[3,4-d]pyrimidin-4-amine (2S)-1-((2S,3S)-3-(2-methylbutyl)-4-oxooxetan-2-yl)pentadecan-2-yl formylleucinate 1-(3,5-dichlorophenyl)-2,2,2-trifluoroethane-1-sulfonyl chloride S-(1-(3,5-dichlorophenyl)-2,2,2-trifluoroethyl) ethanethioate

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