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360457
Sigma-Aldrich
Acetonitrile
ACS reagent, ≥99.5%
| Synonym: | ACN, Methyl cyanide |
| CAS Number: | 75-05-8 |
| Linear Formula: | CH3CN |
| Molecular Weight: | 41.05 |
| Beilstein Registry Number: | 741857 |
| EC Number: | 200-835-2 |
| MDL number: | MFCD00001878 |
| PubChem Substance ID: | 24862160 |
Description
| Packaging | 20, 200 L in steel drum |
| 25, 500, 6×500 mL in glass btl | |
| 1, 6×1, 2, 4×4 L in glass btl |
Properties
| grade | ACS reagent |
| vapor density | 1.41 (vs air) |
| vapor pressure | 72.8 mmHg ( 20 °C) |
| assay | ≥99.5% |
| autoignition temp. | 973 °F |
| expl. lim. | 16 % |
| total impurities | ≤0.3% water |
| ≤0.6 μeq/g Titr. base | |
| ≤8 μeq/g Titr. acid | |
| evapn. residue | ≤0.005% |
| color | ≤10(APHA) |
| refractive index | n |
| bp | 81-82 °C(lit.) |
| mp | −48 °C(lit.) |
| density | 0.786 g/mL at 25 °C(lit.) |
Safety
| Personal Protective Equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
| Hazard Codes | F,Xn |
| Risk Statements | 11-20/21/22-36 |
| Safety Statements | 16-36/37 |
| RIDADR | UN1648 3/PG 2 |
| WGK Germany | 2 |
| RTECS | AL7700000 |
| UEL | 16.00%(V) |
| LEL | 4.40%(V) |
| Flash Point(F) | 35.6 °F |
| Flash Point(C) | 2 °C |
References
| Merck | Merck 13,71 |
| Beilstein | Beil. 2,IV,419 |
| Fieser | Fieser 2,13 |
| reference | Aldrich MSDS 1, 13:C / Corp MSDS 1 (1), 22:A / FT-IR 2 (1), 1422:A / FT-IR 1 (1), 837:A / FT-NMR 1 (1), 1351:A / IR-Spectra (3), 1527:A / IR-Spectra (2), 444:A / IR-Spectra (3), 500:A / NMR-Reference 2 (1), 695:A / RegBook 1 (1), 987:A / Sax 6, 90 / Sigma FT-IR 1 (2), 233:C / Structure Index 1, 154:A:1 / Vapor Phase 3, 795:A |






