Acetonitrile CH₃CN - for HPLC GR

Acetonitrile for HPLC-GR chromatography is a powerful, pure organic solvent for precision chromatographic analyses. Its very low impurity content and excellent UV transmission properties make it ideal for demanding laboratory applications.

Identification Data

• Chemical Name: Acetonitrile
• Synonyms: Methyl cyanide, Acetic acid nitrile
• Molecular Formula: CH₃CN
• Molar Mass: 41.05 g/mol
• CAS Number: 75-05-8
• EC Number (EINECS): 200-835-2

Physicochemical Properties

• Physical State: liquid
• Color: colorless
• Odor: aromatic
• Melting Point: -46°C
• Boiling Point: 81°C
• Autoignition Temperature: 524°C
• Flash Point: 2°C
• Explosive Limits: 3-16% vol.
• Viscosity (20°C): 0.357 mPa-s
• Vapor Pressure (20°C): 97 mbar
• Density (20°C): 0.78 g/cm³
• Solubility: completely miscible with water, alcohol, ethyl ether, acetone, benzene
• log POW: -0.34
• Vapor Density (air=1): 1.42
• Critical Temperature: 274.7°C
• Critical Pressure: 4.83 MPa
• Refractive Index (20°C): 1.344

Quality Parameters

• Purity (GC): min. 99.9%
• Water (KF): max. 0.02%
• Acidity (CH₃COOH): max. 0.0005 meq/g
• Residue on Evaporation: max. 0.0005%
• UV - Transmission (1 cm, water):
  • 190 nm: min. 30%
  • 195 nm: min. 80%
  • 200 nm: min. 93%
  • 220 nm: min. 98%
  • 230 nm: min. 99%
• Gradient Test (210 nm):
  • Largest Peak: max. 3 mAU
  • Baseline Drift: max. 15 mAU
• Fluorescence (Quinine Ion):
  • 254 nm: max. 1 ppb
  • 365 nm: max. 1 ppb

Transport Classification

• RID/ADR: Class 3, Packaging Group II
• UN: 1648

Hazard Statements (H)

• H215: Flammable product
• H302: Harmful if swallowed
• H312: Harmful in contact with skin
• H319: Causes serious eye irritation
• H332: Harmful if inhaledH319: Harmful if inhaled

Safety Instructions (P)

• P210: Keep away from heat/sparks/open flames
• P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing
• P403+P235: Store in a well-ventilated place. Keep cool

This product is intended for professional laboratory and analytical use only.