| Identification | |
| Name: | Solvent Yellow 72 |
| Synonyms: | 2-Pyrazolin-5-one,4-[(o-methoxyphenyl)azo]-3-methyl-1-phenyl- (6CI,7CI,8CI);3H-Pyrazol-3-one,2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl- (9CI);3H-Pyrazol-3-one,2,4-dihydro-4-[2-(2-methoxyphenyl)diazenyl]-5-methyl-2-phenyl-; |
| CAS: | 4645-07-2 |
| EINECS: | 225-074-3 |
| Molecular Formula: | C17H16N4O2 |
| Molecular Weight: | 308.33 |
| InChI: | InChI=1/C17H16N4O2/c1-12-16(19-18-14-10-6-7-11-15(14)23-2)17(22)21(20-12)13-8-4-3-5-9-13/h3-11,16H,1-2H3 |
| Molecular Structure: | ![(C17H16N4O2) 2-Pyrazolin-5-one,4-[(o-methoxyphenyl)azo]-3-methyl-1-phenyl- (6CI,7CI,8CI);3H-Pyrazol-3-one,2,4-dih...](https://img1.guidechem.com/chem/e/dict/211/4645-07-2.jpg) |
| Properties | |
| Melting Point: | 166-167 ºC |
| Flash Point: | 259.4 ºC |
| Boiling Point: | 505.3 ºC at 760 mmHg |
| Density: | 1.24 g/cm3 |
| Refractive index: | 1.63 |
| Specification: |
Solvent Yellow 72 (CAS NO.4645-07-2), its Synonyms are 2,4-Dihydro-4-((2-methoxyphenyl)azo)-5-methyl-2-phenyl-3H-pyrazol-3-one ; 3H-Pyrazol-3-one, 2,4-dihydro-4-((2-methoxyphenyl)azo)-5-methyl-2-phenyl- ; 3H-Pyrazol-3-one, 2,4-dihydro-4-(2-(2-methoxyphenyl)diazenyl)-5-methyl-2-phenyl- ; 2-Pyrazolin-5-one, 4-((o-methoxyphenyl)azo)-3-methyl-1-phenyl- ; 4-((o-Methoxyphenyl)azo)-3-methyl-1-phenyl-2-pyrazolin-5-one . |
| Flash Point: | 259.4 ºC |
| Safety Data | |
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