4-pyrazolecarboxylic acid
4-pyrazolecarboxylic acid
CAS: 37718-11-9
Molecular Formula: C4H4N2O2
4-pyrazolecarboxylic acid - Names and Identifiers
| Name | 4-pyrazolecarboxylic acid |
| Synonyms | AKOS B015883 AKOS PAO-0315 ART-CHEM-BB B015883 1H-Pyrazol-4-carbonsure 4-PYRAZOLECARBOXYLIC ACID 4-pyrazolecarboxylic acid Pyrazole-4-carboxylic acid 1H-pyrazole-4-carboxylic acid 1 H-PYRAZOLE-4-CARBOXYLIC ACID |
| CAS | 37718-11-9 |
| EINECS | 253-641-5 |
| InChI | InChI=1/C4H4N2O2/c7-4(8)3-1-5-6-2-3/h1-2H,(H,5,6)(H,7,8) |
4-pyrazolecarboxylic acid - Physico-chemical Properties
| Molecular Formula | C4H4N2O2 |
| Molar Mass | 112.09 |
| Density | 1.524±0.06 g/cm3(Predicted) |
| Melting Point | 282°C (dec.)(lit.) |
| Boling Point | 417.1±18.0 °C(Predicted) |
| Flash Point | 206.1°C |
| Vapor Presure | 1.05E-07mmHg at 25°C |
| Appearance | White-like powder |
| Color | Off-white |
| pKa | 3.81±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.616 |
| MDL | MFCD00011558 |
| Physical and Chemical Properties | White powder |
4-pyrazolecarboxylic acid - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| HS Code | 29339900 |
| Hazard Class | IRRITANT |
4-pyrazolecarboxylic acid - Reference Information
| Uses | 1H-pyrazol-4-carboxylic acid is used to synthesize isoxazol-4-carboxylic acid derivatives and isoxazol-3, 5-dimethylamide, Used in herbicides. |
| Biological activity | 4-Carboxypyrazole is an endogenous metabolite. |
Last Update：2024-04-10 22:29:15
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