L010100

Acetonitrile

• Synonym(s): ACN, Cyanomethane, Ethyl nitrile, Methyl cyanide
• Linear Formula: CH₃CN
• CAS Number: 75-05-8
• Molecular Weight: 41.05
• Beilstein: 741857
• EC Number: 200-835-2
• MDL number: MFCD00001878
• UNSPSC Code: 12191502
• PubChem Substance ID: 329817336
• NACRES: NA.03
• Assay: ≥99.9% (GC)
• Bp: 81-82 °C (lit.)
• Vapor pressure: 72.8 mmHg ( 20 °C)

Properties

• vapor density: 1.41 (vs air)
• Quality Level: 200
• vapor pressure: 72.8 mmHg ( 20 °C)
• type: for DNA synthesis
• Assay: ≥99.9% (GC)
• form: liquid
• autoignition temp.: 973 °F
• expl. lim.: 16 %
• storage condition: dry at room temperature
• impurities: ≤10 ppm water content (Karl Fischer)
• color: clear
• refractive index: n/D 1.342-1.346; n20/D 1.344 (lit.)
• bp: 81-82 °C (lit.)
• mp: −45 °C (lit.)
• solubility: water: soluble (completely)
• density: 0.786 g/mL at 25 °C (lit.)
• format: neat
• SMILES string: CC#N
• InChI: 1S/C2H3N/c1-2-3/h1H3
• InChI key: WEVYAHXRMPXWCK-UHFFFAOYSA-N

Description

Other Notes

Wash solution, containing anhydrous acetonitrile (water content <10 ppm), is used as the overall wash solvent following each step in the synthesis cycle.

Safety Information

• Pictograms: 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 Classifications: Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 2
• Flash Point(F): 35.6 °F - closed cup
• Flash Point(C): 2.0 °C - closed cup