Acetonitrile CH₃CN - for HPLC

Acetonitrile for HPLC chromatography is a high-purity organic solvent for analytical applications, particularly for high-performance liquid chromatography (HPLC). It is characterized by very low impurity content and excellent UV transmission.

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, and 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%
• Non-volatile Residues: max. 0.0005%.
• Water Content (KF): max. 0.02%.
• Free Acids (CH₃COOH): max. 0.0005 meq/g
• UV Transmission (1 cm, water):
  • 240 nm: min. 98%
  • 250 nm: min. 99%
• Fluorescence (Quinine Ion, 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 Statements (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 laboratory and industrial use only. Store in the original container, tightly closed, away from ignition sources.