Malononitrile is a dinitrile that is methane substituted by two cyano groups. It is a dinitrile and an aliphatic nitrile.
Acute toxic
Environmental hazard
⚠️ For information only; not a substitute for the official Safety Data Sheet (SDS).
Malononitrile is a dinitrile that is methane substituted by two cyano groups. It is a dinitrile and an aliphatic nitrile.
| Physical Description | Malononitrile appears as a white-colored crystalline solid. Denser than water and soluble in water. Toxic by ingestion and may severely irritate skin and eyes. May polymerize violently if exposed t… |
| Color/Form | Colorless solid |
| Melting Point | 90 °F (EPA, 1998) |
| Boiling Point | 424 to 426 °F at 760 mmHg (EPA, 1998) |
| Flash Point | 266 °F (EPA, 1998) |
| Density | 1.191 at 68 °F (EPA, 1998) - Denser than water; will sink |
| Solubility | greater than or equal to 100 mg/mL at 72.5 °F (NTP, 1992) |
| Vapor Pressure | 0.2 [mmHg] |
| Refractive Index | Index of refraction: 1.4146 @ 34 °C/D |
| Stability/Shelf Life | The stability of the molten nitrile decreases with increasing temperature and decreasing purity, but no violent decomposition at below 100 °C has been recorded. |
| IUPAC Name | propanedinitrile |
| Molecular Formula | C3H2N2 |
| Molecular Weight | 66.06 g/mol |
| CAS | 109-77-3 |
| SMILES | C(C#N)C#N |
| InChIKey | CUONGYYJJVDODC-UHFFFAOYSA-N |
| Catalog No | KC.1310065 |
| Pack sizes | 100GM · 500GM |
⚠️ For information only; not a substitute for the official SDS.