494445

Acetonitrile

biotech. grade, ≥99.93%

• 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
• eCl@ss: 39031501
• PubChem Substance ID: 329757452
• NACRES: NA.21

Properties

• grade: biotech. grade
• Quality Level: 100; 200
• vapor density: 1.41 (vs air)
• vapor pressure: 72.8 mmHg ( 20 °C)
• Assay: ≥99.93%
• form: liquid
• autoignition temp.: 973 °F
• expl. lim.: 16 %
• impurities: ≤0.5 ppb as quinine (fluorimetric, 254nm); ≤0.6 μeq/g Titr. base; ≤8 μeq/g Titr. acid; <0.001% water
• evapn. residue: <0.0002%
• color: APHA: <10
• refractive index: n20/D 1.344 (lit.)
• bp: 81-82 °C (lit.)
• mp: −45 °C (lit.)
• solubility: water: soluble
• density: 0.786 g/mL at 25 °C (lit.)
• λ: H₂O reference
• UV absorption: λ: 190 nm A_max: 1.0; λ: 210 nm A_max: 0.03; λ: 220 nm A_max: 0.01; λ: 235 nm A_max: 0.005; λ: 254 nm A_max: ≤0.005; λ: 400 nm A_max: 0.005
• format: neat
• SMILES string: CC#N
• InChI: 1S/C2H3N/c1-2-3/h1H3
• InChI key: WEVYAHXRMPXWCK-UHFFFAOYSA-N

Description

Packaging

View returnable container options.

Preparation Note

Product filtered through a 0.2 μm filter.

Other Notes

Pure-Pac^® II containers require the Micromatic MacroValve coupler for dispensing solvents, Z560723.

Legal Information

Pure-Pac is a registered trademark of Sigma-Aldrich Co. LLC

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