Dimethylformamide is short for DMF. Compound formed by the substitution of hydroxyl group of formic acid with dimethylamino group, molecular formula HCON (CH3) 2. It is a colorless transparent high boiling point liquid with a light amine odor and a relative density of 0.9445 (25 C). Melting point – 61 C. Boiling point 152.8 C. Flash point 57.78 C. The vapor density is 2.51. The vapor pressure is 0.49 kPa (3.7 mmHg 25 C).
Colorless transparent liquid. It is a polar inert solvent. Except halogenated hydrocarbons, it can mix with water and most organic solvents at will.
|Superior product||First grade||Qualified product|
|Appearance||Colorless liquid, No visible impurities||Conform|
|Dimethylformamide Assay w/%||99.9||99.5||99.95|
|Methanol w/% ≥||0.0010||0.0030||0.0050||0.0000|
|Heavy component(Dimethyl acetamide）w/% ≤||Supply and demand sides negotiated to determine||0.0423|
|Chroma/Hazen unit（Platinum, cobalt color） ≤||5||10||20||5|
|Water w/% ≤||0.050||0.0089|
|Iron w/（mg/kg） ≤||0.05||0.026|
|Acidity（Based on formic acid）w/% ≤||0.0010||0.0020||0.0030||0.0001|
|Alkalinity (based on dimethylamine) w/% ≤||0.0010||0.0020||0.0030||0.0002|
It is an excellent organic solvent. It is used as a solvent for polyurethane, polyacrylonitrile and polyvinyl chloride. It is also used as a raw material for extractant, medicine and pesticide chlordimeform. It is also used as an analytical reagent and a solvent for ethylene resin and acetylene.
Complete packing, light loading and light unloading; Storage room ventilated, away from open fire, high temperature, separated from oxidant and acid