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DMF
Molecular formula:C3H7NO  
Molecular weight: 73.1
CAS No.:68-12-2
Property:Flammable liquid and vapor,Colorless liquid
Usage:As an important chemical raw material and excellent solvent, mainly used in polyurethane, acrylic, pharmaceuticals, pesticides, dyes, electronics and other industries. Washed in the polyurethane industry as curing agent, ismainly used for the production of wet synthetic leather; synthetic drugs in the pharmaceutical industry as intermediates, widelyused in the preparation of doxycycline, cortisone, sulfa drug production; acrylic industry the quenching circuit board as a solvent mainly used for the acrylic dry spinning production; pesticide industry for the synthesis of high efficiency and low toxicity pesticides; dyesin the dye industry as a solvent; tinned parts in the electronics industry as cleaning, etc.;other industries, including the carrier of dangerous gases, pharmaceutical crystallization using solvents and adhesives.
Packing:Net in 190kg iron drum.
Specification:


ITEM

SPECIFICATION

RESULT

DMFω/%

99.9Min

99.97Min

METHANOL PPM

≤10

3

MOISTURE PPM

≤300

169

PT-CO CHROMINANCE

≤10

5

DIMETHYLAMINE PPM

≤10

2

FORMIC ACID PPM

≤10

3

PH    (25°C  20% AQUENOUSSOLUTION)

6.5~8.0

7.18

ELECTRIC CONDUCTIVITY

(25°C 20% AQUEOUS SOLUTION )

≤2

0.58

Fe PPM

≤0.05

0.0082

HEAVY COMPOMENT

(DIMETHY ACETAMIDE)  PPM

≤500

118

CONCLUSION

QUALIFIED