1633-44-9
1633-44-9 structure
- Name: 3,4-Pyridinedicarbonitrile
- Chemical Name: pyridine-3,4-dicarbonitrile
- CAS Number: 1633-44-9
- Molecular Formula: C7H3N3
- Molecular Weight: 129.119
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Pyridine derivative
- Create Date: 2018-07-01 21:06:09
- Modify Date: 2025-08-25 12:12:05
| Name | pyridine-3,4-dicarbonitrile |
|---|---|
| Synonyms |
3,4-pyridine dicarbonitrile
MFCD00010744 3,4-Pyridinedicarbonitrile 3,4-Dicyanopyridine 3,4-Dicyan-pyridin PYRIDINE-3,4-DICARBONITRILE Cinchomeronic dinitrile EINECS 216-645-8 Pyridin-3,4-dinitril |
| Density | 1.3±0.1 g/cm3 |
|---|---|
| Boiling Point | 310.7±27.0 °C at 760 mmHg |
| Melting Point | 79-81ºC |
| Molecular Formula | C7H3N3 |
| Molecular Weight | 129.119 |
| Flash Point | 112.4±8.9 °C |
| Exact Mass | 129.032700 |
| PSA | 60.47000 |
| LogP | 0.16 |
| Vapour Pressure | 0.0±0.7 mmHg at 25°C |
| Index of Refraction | 1.568 |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H302 + H312 + H332-H315-H319-H335 |
| Precautionary Statements | P261-P280-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xn |
| Risk Phrases | R20/21/22 |
| Safety Phrases | S22-S36/37 |
| RIDADR | UN 3276 |
| Packaging Group | III |
| Hazard Class | 6.1 |
| HS Code | 2933399090 |
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |