sodium p-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzenesulphonate
sodium p-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzenesulphonate Basic information
- Product Name:
- sodium p-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzenesulphonate
- Synonyms:
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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
- CAS:
- 6359-74-6
- MF:
- C16H15N4NaO4S
- MW:
- 382.37
- EINECS:
- 228-805-4
- Product Categories:
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- Organics
- Mol File:
- 6359-74-6.mol
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sodium p-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzenesulphonate Chemical Properties
- EPA Substance Registry System
- Benzenesulfonic acid, 4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-, sodium salt (6359-74-6)
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sodium p-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzenesulphonate Usage And Synthesis
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 | |||||