phenyl methyl pyrazolone
3H-pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-
Identification
| Name | phenyl methyl pyrazolone |
| IUPAC | 5-methyl-2-phenyl-4H-pyrazol-3-one |
| CAS Number | 89-25-8 |
| EINECS | 201-891-0 |
| FDA UNII | S798V6YJRP |
| Molecular Formula | C10 H10 N2 O |
| Molecular Weight | 174.20290000 |
| MDL Number | MFCD00003138 |
| Nikkaji Number | J37.341I |
| Beilstein | 0609575 |
Regulatory
Physical Properties
| Appearance | white to off-white powder or crystals (est) |
| Assay | 95.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Soluble in | water, 380.9 mg/L @ 25 °C (est) |
Cosmetic Information
| CosIng | cosmetic data |
| Cosmetic Uses | hair dyeing agents |
No sensory data available
Safety Information
| Preferred SDS | View |
| Oral/Parenteral Toxicity | Not determined |
| Dermal Toxicity | Not determined |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | hair dyeing agents |
| Recommendation for phenyl methyl pyrazolone usage levels up to | not for fragrance use. |
| Recommendation for phenyl methyl pyrazolone flavor usage levels up to | not for flavor use. |
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Potential Uses
Natural Occurrence
Synonyms
developer Z
edaravone
3-
methyl-1-phenyl-2-pyrazolin-5-one
3-
methyl-1-phenyl-5-pyrazolone
5-
methyl-2-phenyl-4H-pyrazol-3-one
1-
phenyl-3-methyl-5-pyrazolone
3H-
pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-
5-
pyrazolone, 3-methyl-1-phenyl-
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