sodium p-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzenesulphonate

CAS No.
6359-74-6
Chemical Name:
sodium p-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzenesulphonate
Synonyms
C.I.18695;Acid Yellow 4;C.I.Acid Yellow 4;C.I. Acid Yellow BIS;Acid yellow 4 (C.I. 18695);C.I.Acid Yellow 4:C.I.18695;sodium p-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzenesulphonate;Sodium 4-[(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)di azenyl]benzenesulfonate;4-[(4,5-Dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzenesulfonic acid sodium salt;4-[(1-Phenyl-3-methyl-5-oxo-4,5-dihydro-1H-pyrazole)-4-ylazo]benzenesulfonic acid sodium salt
CBNumber:
CB1938861
Molecular Formula:
C16H15N4NaO4S
Molecular Weight:
382.37
MDL Number:
MOL File:
6359-74-6.mol

sodium p-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzenesulphonate Properties

sodium p-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzenesulphonate Chemical Properties,Uses,Production

Preparation

4-Aminobenzenesulfonic acid diazo, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one?coupling.

Properties and Applications

red light yellow. Used for wool and silk dyeing. The heavy metal salt used as organic pigments.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 5-6 2-3 1

sodium p-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzenesulphonate Preparation Products And Raw materials

Raw materials

Preparation Products

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sodium p-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzenesulphonate Benzenesulfonic acid, 4-(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo-, sodium salt Acid yellow 4 (C.I. 18695) 4-[(1-Phenyl-3-methyl-5-oxo-4,5-dihydro-1H-pyrazole)-4-ylazo]benzenesulfonic acid sodium salt 4-[(4,5-Dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzenesulfonic acid sodium salt C.I. Acid Yellow BIS C.I.18695 C.I.Acid Yellow 4 Sodium 4-[(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)di azenyl]benzenesulfonate Acid Yellow 4 C.I.Acid Yellow 4:C.I.18695 6359-74-6 Organics