3-Aminopyarazole-4-carbonitrile
3-Amino-4-pyrazolecarbonitrile
CAS: 16617-46-2
Molecular Formula: C4H4N4
3-Aminopyarazole-4-carbonitrile - Names and Identifiers
3-Aminopyarazole-4-carbonitrile - Physico-chemical Properties
| Molecular Formula | C4H4N4 |
| Molar Mass | 108.1 |
| Density | 1.2722 (rough estimate) |
| Melting Point | 172-174°C(lit.) |
| Boling Point | 192.71°C (rough estimate) |
| Flash Point | 241.9°C |
| Solubility | DMSO (Slightly), Methanol (Slightly) |
| Vapor Presure | 0mmHg at 25°C |
| Appearance | Brown crystal |
| Color | Light yellow to brown-orange |
| BRN | 2647 |
| pKa | 11.58±0.50(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | 1.7380 (estimate) |
| MDL | MFCD00005237 |
| Physical and Chemical Properties | Melting point 172-174°C |
| Use | Used as an intermediate in the drug substance zaleplon |
3-Aminopyarazole-4-carbonitrile - Risk and Safety
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R20/21 - Harmful by inhalation and in contact with skin. R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S23 - Do not breathe vapour. S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | 3439 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 10 |
| TSCA | Yes |
| HS Code | 29331990 |
| Hazard Class | 6.1 |
| Packing Group | III |
3-Aminopyarazole-4-carbonitrile - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Uses | Used as an intermediate for bulk drug Zalepuron Pharmaceutical Zalepuron intermediate. |
Last Update：2024-04-09 19:05:10
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