Acetonitrile appears as a colorless limpid liquid with an aromatic odor. Flash point 42 °F. Density 0.783 g / cm3. Toxic by skin absorption. Less dense than water. Vapors are denser than air.
Flammable
Irritant
⚠️ For information only; not a substitute for the official Safety Data Sheet (SDS).
Acetonitrile appears as a colorless limpid liquid with an aromatic odor. Flash point 42 °F. Density 0.783 g / cm3. Toxic by skin absorption. Less dense than water. Vapors are denser than air.
| Physical Description | Acetonitrile appears as a colorless limpid liquid with an aromatic odor. Flash point 42 °F. Density 0.783 g / cm3. Toxic by skin absorption. Less dense than water. Vapors are denser than air. |
| Color/Form | Colorless, limpid liquid |
| Odor | Aromatic odor |
| Melting Point | -49 °F (NTP, 1992) |
| Boiling Point | 178.9 °F at 760 mmHg (NTP, 1992) |
| Flash Point | 42 °F (NTP, 1992) |
| Density | 0.787 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Solubility | greater than or equal to 100 mg/mL at 72.5 °F (NTP, 1992) |
| Vapor Pressure | 73 mmHg at 68 °F (NTP, 1992) |
| Refractive Index | Index of refraction: 1.33934 at 30 °C/D |
| Stability/Shelf Life | Heat /contributes to instability/. |
| IUPAC Name | acetonitrile |
| Molecular Formula | C2H3N |
| Molecular Weight | 41.05 g/mol |
| CAS | 75-05-8 |
| SMILES | CC#N |
| InChIKey | WEVYAHXRMPXWCK-UHFFFAOYSA-N |
| Catalog No | KC.110036 |
| Pack sizes | 500 ml · 2.5 ltr |
⚠️ For information only; not a substitute for the official SDS.