Acetonitrile CH₃CN - CZ

Acetonitrile CZ is a high-purity organic solvent (CZ) used in analytical laboratories, chemical manufacturing, and as a carrier in instrumental analysis. It is characterized by its high volatility and complete miscibility with water and many organic solvents.

Identification Data

• Chemical Name: Acetonitrile
• Synonyms: Methyl cyanide, Ethanenitrile
• 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
• pH Value: not specified
• 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: in water: unlimited; in organic solvents: alcohol, ethyl ether, acetone, benzene
• log POW: -0.34
• Vapor Density (relative to air): 1.42
• Critical Temperature: 274.7°C
• Critical Pressure: 4.83 MPa
• Refractive Index (20°C): 1.344

Transport Classification

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

Hazard Statements (H)

• H215: Highly 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. Do not use for food or medical purposes. Store in the original container away from ignition sources and moisture.