1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
- CAS NO.：19735-89-8
- Empirical Formula: C10H10N2O
- Molecular Weight: 174.2
- MDL number: MFCD00127930
- EINECS: 243-261-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 17:23:02
What is 1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one?
Definition
ChEBI: Demethylated antipyrine is a ring assembly and a member of pyrazoles.
Properties of 1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
| Melting point: | 128°C |
| Boiling point: | 305.17°C (rough estimate) |
| Density | 1.2600 |
| refractive index | 1.6370 (estimate) |
| pka | 0.10±0.40(Predicted) |
| CAS DataBase Reference | 19735-89-8 |
| EPA Substance Registry System | 1-Phenyl-3-methyl-5-pyrazolone (19735-89-8) |
Safety information for 1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one manufacturer
Triveni Interchem Private Limited (Group Of Triveni Chemicals)
Gujarat
product: 1-Phenyl-3-Methyl-5-Pyrazolone, Packaging Type: Drum, Solid
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