Identification | Back Directory | [Name]
sodium p-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzenesulphonate | [CAS]
6359-74-6 | [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 Benzenesulfonic acid, 4-(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo-, sodium salt | [EINECS(EC#)]
228-805-4 | [Molecular Formula]
C16H15N4NaO4S | [MOL File]
6359-74-6.mol | [Molecular Weight]
382.37 |
Hazard Information | Back Directory | [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
|
|
|
|
|
|
|