5-[(3-Carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)methyl]-2-hydroxy-3-methylbenzoic acid
5-[(3-Carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)methyl]-2-hydroxy-3-methylbenzoic acid Basic information
- Product Name:
- 5-[(3-Carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)methyl]-2-hydroxy-3-methylbenzoic acid
- Synonyms:
-
- 5-[(3-Carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)methyl]-2-hydroxy-3-methylbenzoic acid
- C.I.44525
- C.I.Mordant Brown 26
- Chromoxane Brown 5R
- Benzoic acid, 5-[(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)methyl]-2-hydroxy-3-methyl-
- C.I.Mordant Brown 26:C.I.44525
- Mordant Brown 26
- CAS:
- 6411-50-3
- MF:
- C27H22N2O7
- MW:
- 486.47
- Mol File:
- 6411-50-3.mol
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5-[(3-Carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)methyl]-2-hydroxy-3-methylbenzoic acid Chemical Properties
- Boiling point:
- 777.1±60.0 °C(Predicted)
- Density
- 1.40±0.1 g/cm3(Predicted)
- pka
- 1.65±0.20(Predicted)
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5-[(3-Carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)methyl]-2-hydroxy-3-methylbenzoic acid Usage And Synthesis
Preparation
Formaldehyde?and 2-Hydroxy-3-methylbenzoic acid condensation, then product in the?4-Amino-5-hydroxynaphthalene-1-sulfonic acid with 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one common oxidation.
Properties and Applications
Red light brown. Soluble in water for golden orange, soluble in ethanol for red orange brown. In concentrated sulfuric acid to orange, with golden yellow after diluted. Dye aqueous solution to join strong caustic for magenta.
| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 4 | 4-5 | 3-4 | 3 | 5 | 4 | 5 |