5-Oxo-1-phenyl-2-pyrazolin-3-carboxylic acid
Synonym(s):1-Phenyl-3-carboxy-5-pyrazolone;3-Carboxy-1-phenyl-2-pyrazolin-5-one
- CAS NO.：119-18-6
- Empirical Formula: C10H8N2O3
- Molecular Weight: 204.18
- MDL number: MFCD00037318
- EINECS: 204-304-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 05:26:25
What is 5-Oxo-1-phenyl-2-pyrazolin-3-carboxylic acid?
Chemical properties
light yellow crystalline
The Uses of 5-Oxo-1-phenyl-2-pyrazolin-3-carboxylic acid
Reactant involved in synthesis of:
- Pyrazolone derivatives for antiprion activity via heterocyclocondensation
- Heterocyclic thiazolidinone and azetidinone compound for antibacterial studies
What are the applications of Application
5-Oxo-1-phenyl-2-pyrazolin-3-carboxylic acid is a reactant involved in synthesis of pyrazolone derivatives
Properties of 5-Oxo-1-phenyl-2-pyrazolin-3-carboxylic acid
| Melting point: | 237 °C (lit.) |
| Boiling point: | 375.1±25.0 °C(Predicted) |
| Density | 1.41±0.1 g/cm3(Predicted) |
| pka | -2.53±0.20(Predicted) |
| CAS DataBase Reference | 119-18-6(CAS DataBase Reference) |
Safety information for 5-Oxo-1-phenyl-2-pyrazolin-3-carboxylic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H317:Sensitisation, Skin H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. 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 5-Oxo-1-phenyl-2-pyrazolin-3-carboxylic acid
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