4-Pyrazolecarboxylic acid
- CAS NO.：37718-11-9
- Empirical Formula: C4H4N2O2
- Molecular Weight: 112.09
- MDL number: MFCD00011558
- EINECS: 253-641-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:25:15
What is 4-Pyrazolecarboxylic acid?
Chemical properties
Off-white powder
The Uses of 4-Pyrazolecarboxylic acid
4-Pyrazolecarboxylic acid is used for the synthesis of isoxazole-4-carboxylic acid derivatives and isoxazole-3,5-dicarboxamides
The Uses of 4-Pyrazolecarboxylic acid
4-Pyrazolecarboxylic acid was used in preparation of ethyl 4-pyrazolecarboxylate.
Definition
ChEBI: 4-Carboxypyrazole is a member of pyrazoles.
Properties of 4-Pyrazolecarboxylic acid
| Melting point: | 282 °C (dec.)(lit.) |
| Boiling point: | 417.1±18.0 °C(Predicted) |
| Density | 1.524±0.06 g/cm3(Predicted) |
| storage temp. | Sealed in dry,Room Temperature |
| form | Powder |
| pka | 3.81±0.10(Predicted) |
| color | Off-white |
| CAS DataBase Reference | 37718-11-9(CAS DataBase Reference) |
Safety information for 4-Pyrazolecarboxylic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P302+P352:IF ON SKIN: wash with plenty of soap and water. 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 4-Pyrazolecarboxylic acid
4-Pyrazolecarboxylic acid manufacturer
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product: 1H-Pyrazole-4-carboxylicacid 37718-11-9 98%
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