Acetonitrile
ALDRICH/L010002
Synonym: ACN; Cyanomethane; Ethyl nitrile; Methyl cyanide
CAS Number: 75-05-8
Empirical Formula (Hill Notation): C2H3N
Molecular Weight: 41.05
EC Number: 200-835-2
MDL Number: MFCD00001878
Linear Formula: CH3CN
Product Type: Chemical
| autoignition temp. | 973 °F |
| bp | 81-82 °C (lit.) |
| color | clear |
| density | 0.786 g/mL at 25 °C (lit.) |
| expl. lim. | 16 % |
| form | liquid |
| format | neat |
| impurities | ≤30 ppm water content (Karl Fischer) |
| InChI | 1S/C2H3N/c1-2-3/h1H3 |
| InChI key | WEVYAHXRMPXWCK-UHFFFAOYSA |
| mp | −45 °C (lit.) |
| refractive index | n |
| n |
|
| SMILES string | CC#N |
| solubility | water: soluble (completely) |
| storage condition | dry at room temperature |
| type | for DNA synthesis |
| vapor density | 1.41 (vs air) |
| vapor pressure | 72.8 mmHg ( 20 °C) |
| Other Notes: | Wash solution, containing anhydrous acetonitrile (water content <30 ppm), is used as the overall wash solvent following each step in the synthesis cycle. |
| Symbol |   GHS02,GHS07 |
| Signal word | Danger |
| Hazard statements | H225 - H302 + H312 + H332 - H319 |
| Precautionary statements | P210 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P312 - P305 + P351 + P338 |
| Hazard Codes | F,Xn |
| Risk Statements | 11-20/21/22-36 |
| Safety Statements | 16-36/37 |
| RIDADR | UN 1648 3 / PGII |
| WGK Germany | WGK 2 |
| Flash Point(F) | 35.6 °F - closed cup |
| Flash Point(C) | 2.0 °C - closed cup |
| bp | 81-82 °C (lit.) |
| mp | −45 °C (lit.) |
| Density | 0.786 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12191502 |