Synonyms: ACN; Methyl cyanide
Formula: CH3CN
Formula Weight: 41.05
CAS No.: 75-05-8
Purity: ≥99.9%
Density: 0.786 g/mL at 25 °C(lit.)
Preparation Note: filtered through a 0.2 μm filter
Legal Information: CHROMASOLV is a registered trademark of Sigma-Aldrich Laborchemikalien GmbH
Packaging: 1, 6 x 1, 2.5, 4 x 2.5, 4 x 4 L in glass bottle
Packaging: 20 L in Nowpak™
Packaging: 250 mL in glass bottle
Packaging: 45 L in ss drum
Abs.: HPLC-gradient/210 nm ≤1 mAU
Assay: ≥99.9%
Autoignition Temp.: 973°F
BP: 81-82°C(lit.)
Cation Traces: Cr: ≤0.02 mg/kg
Density: 0.786 g/mL at 25°C(lit.)
Expl. Lim.: 16 %
Grade: LC-MS CHROMASOLV®
Impurities: ≤0.001% free acid (as CH3COOH)
Measuring Range: ≤12 mAU baseline drift, (210 nm)
MP: −48°C(lit.)
Refractive Index: n20/D 1.344(lit.)
Shelf Life: (limited shelf life, expiry date on the label)
Suitability: in accordance for suitability for LC-MS
Transmittance: 195 nm, ≥80%
Vapor Density: 1.41 (vs air)
Vapor Pressure: 72.8 mmHg ( 20°C)