Dimethylformamide(DMF)

Dimethylformamide with chemical name N,N-Diemtylformamide(or N,N-Dimethyl formamide), usually shortened as DMF. It is colorless liquid, an important chemical industrial raw material and a good solvent, mainly used in polyurethane, orlon, agricultural chemicals, dyes and electronic industries,etc.

INDEX --------- SPECIFICATION
APPEARANCE -----------COLORLESS liquid
CONTENT------------ 99.9% MIN.
pt-co chrominance---------- 10 MAX.
DISTILLATION TEST (0°C 101325Pa
151-155°C DISTILLATE VOLUME)----------------- 98.5% MIN.
MOISTURE --------- 500 ppm MAX.
DIMETHYLAMINE ---------- 15 ppm MAX
FORMIC ACID -------------- 25 ppm MAX
PH ----------- 7.0-7.5
heavy component(dimethylacetamide)--------- 500 ppm MAX
IRON-------------- 0.05 ppm MAX
Methanol-------------20 ppm MAX.
Refractive Index--------------- 1.4270--1.4290
ELECTRIC CONDUCTIVITY --------------- 10 MAX

For more information, please refere to */chem/dmf.html.

Thanks
Mr Jiang