Dimethylformamide

CAS Number
68-12-2
EC Number
200-679-5
Chemical Formula
C3H7NO
Molecular Weight
73.09 g/mol
Abbreviation
DMF

Description

Dimethylformamide (CAS 68-12-2), commercially known as DMF, is a high-boiling polar aprotic solvent used across chemical manufacturing, pharmaceutical synthesis, and industrial processing. Its ability to dissolve a broad range of organic and inorganic compounds makes it a preferred solvent where water-miscible, low-volatility performance is required for complex reactions.

In pharmaceutical manufacturing, DMF serves as a reaction solvent and purification medium for active pharmaceutical ingredients, where controlled solvation and high purity grades are critical. Acrylic fiber and synthetic leather production rely on DMF to dissolve and process polyacrylonitrile and polyurethane resins into spinnable or coatable forms for industrial use.

Electronics manufacturers use it to strip and clean photoresist layers during PCB and semiconductor fabrication. In agrochemical synthesis, DMF functions as both a solvent and a catalyst precursor. DMF is supplied as a clear liquid in drums, IBCs, and bulk tanker quantities. Standard commercial grades include technical grade and high-purity pharmaceutical grade for various needs.

Specifications are aligned to USP and Ph. Eur. pharmacopeial standards where API manufacturing requires it. Low-water and anhydrous variants are available for moisture-sensitive synthesis.

Other Names (Synonyms)

N,N-Dimethylformamide|N-Formyldimethylamine|Dimethylamid kyseliny mravenci|DMF|Formamide, N,N-dimethyl-|DMFA|Dimethylformamide DMF

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

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Physical Properties

Melting Point -61 °C
Boiling Point 153 °C @ Press: 760 Torr
Density 0.9445 g/cm³ @ Temp: 25 °C
Flash Point 136 °F
Appearance Clear colorless liquid
Color APHA: ≤15
Odor Faint, ammonia-like odor detectable at 100 ppm
Form Powder
Water Solubility soluble
Vapor Pressure 2.7 mm Hg ( 20 °C)
Refractive Index n 20/D 1.430(lit.)
pH 7 (200g/l, H2O, 20℃)
Log P -1.010

Documentation

Safety & Handling Learn More

Danger
GHS07· Irritant GHS08· Health Hazard GHS02· Flammable GHS06· Toxic GHS05· Corrosive

Hazard Statements

H226 Flammable liquid and vapor
H303 May be harmful if swallowed
H312 Harmful in contact with skin
H313 May be harmful in contact with skin

Precautionary Statements

P203 Obtain, consult and follow expert instructions for use.
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P233 Keep container tightly closed.
P240 Ground and bond container and receiving equipment.

Trade & Regulatory

HS Code 29241990
UN Number 2265
ADR Class 3
Packing Group III
Storage Class 3 - Flammable liquids
WGK (Germany) 1
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