Acetonitrile
SIAL/900644 - anhydrous, ZerO2®, 99.8%
Synonym: Acetonitrile ZerO2®; Degassed and low oxygen acetonitrile; 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
assay | 99.8% |
autoignition temp. | 973 °F |
bp | 81-82 °C (lit.) |
density | 0.786 g/mL at 25 °C (lit.) |
expl. lim. | 16 % |
form | liquid |
grade | ZerO2® |
impurities | ≤0.001% water water |
InChI | 1S/C2H3N/c1-2-3/h1H3 |
InChI key | WEVYAHXRMPXWCK-UHFFFAOYSA |
mp | −45 °C (lit.) |
quality | anhydrous |
Quality Level | 100 ![]() |
refractive index | n |
SMILES string | CC#N |
vapor density | 1.41 (vs air) |
vapor pressure | 72.8 mmHg ( 20 °C) |
Application: | ZerO2 products are rigorously degassed with highly pure inert gas providing solvents and solutions (anhydrous if specified) with very low residual oxygen content. |
Legal Information: | ZerO2 is a registered trademark of Sigma-Aldrich Co. LLC |
Symbol | ![]() ![]() |
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 |
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 |
Purity | 99.8% |
bp | 81-82 °C (lit.) |
mp | −45 °C (lit.) |
Density | 0.786 g/mL at 25 °C (lit.) |
Refractive Index | n |
UNSPSC | 12352200 |