N,N-Dimethylformamide (DMF)

CAS Number

68-12-2

Molecular Formula

C₃H₇NO

Also known as:

N,N-Dimethylformamide; DMF; Dimethyl formamide; Dimethylformamide

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Product Description

N,N-Dimethylformamide (DMF, CAS 68-12-2) is a high-polarity, aprotic organic solvent widely used as a reaction medium and processing solvent across polymer, pharmaceutical, agrochemical, dye and electronics industries. DMF is valued for excellent solvency of polar and high-molecular-weight species, miscibility with water and many organics, and predictable performance in condensation, substitution and polymerization processes.

Storage & handling
Storage & handling guidance: Store in original, tightly sealed containers in a cool, dry, well-ventilated area away from ignition sources and strong oxidizers. Protect from prolonged heat and direct sunlight; keep tanks and drums grounded for flammable liquid transfer. Use closed transfer, local exhaust ventilation and appropriate PPE (chemical-resistant gloves, safety goggles, respirator if exposure limits may be exceeded). Consult lot SDS for temperature-specific storage recommendations and emergency procedures.

Application

  • Polymer and fiber manufacture (solvent for spinning & formulation)
    Used as a processing solvent in acrylic fiber production, polymer dissolution and coatings formulations.
  • Pharmaceutical intermediates & active-ingredient synthesis (reaction medium)
    Serves as a polar aprotic reaction medium in multi-step syntheses, crystallization and process chemistry for APIs and intermediates (use per regulatory and safety constraints).
  • Dye, pigment and specialty chemistry (solvent and reaction medium)
    Used as a solvent for dye synthesis, formulation and dyeing processes that require strong solvency for polar species.
  • Electronics and surface cleaning (component of process fluids)
    Applied in niche electronic cleaning and processing applications where high solvency and controlled evaporation are needed.
  • General chemical synthesis and process solvent
    Employed across fine-chemical, agrochemical and specialty syntheses as a reliable polar aprotic solvent and reaction medium.

Technical Parameters

Parameter Value
Assay / Purity ≥ 99.5%
Appearance Colorless to pale yellow clear liquid
Water / Moisture ≤ 0.1%
Melting / Freezing point ≈ −61 °C
Boiling point ≈ 153 °C
Density ≈ 0.947–0.952 g·cm⁻³
Flash point ≈ 57–58 °C
Vapor pressure ~4.9 mbar

Quick Information

EINECS 200-679-5
Molecular Weight 73.09 g/mol

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