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1.Di-methylformamide(DMF) 2.Clear,colorless,flammable liquid 3.200L plastic drums4.dimethyl formamide 99.8%
Di-methylformamide(DMF)
Molecular formula: HCON(CH3)2
Molecular weight: 73.09
Properties: Clear,colorless,flammable liquid,with mild ammonia-like odor.m.p.-61°C, b.p.152.8°C, flash point 57.7°
C, refractive index 1.427-1.429,density (20°C) 0.9487g/ml,miscible with water,ether,ester,katon,chlorinated hydrocarbon and benzene hydrocarbon,hygroscopic.
Application: DMF is an important organic material and good solvent.It is used as solvent for man-made leather and chemical fiber,also used as material for synthesis of insecticide of high-effectiveness and low-toxicity,as gas absorbent to separate and purify the gas in petrochemical industry,as material of sulfadiazine,cortisone and Vitamin B6 in pharmaceutical industry,and also as fixing agent in vapor-phase analysis.
DMF (Executive standard: HG2028-91)
Concentration of DMF wt% | ≥99.9 |
Appearance | Clarification without suspension |
Colority APHA | ≤10 |
Acidity (based on HCOOH):PPM | ≤20 |
Alkalinity (based on dymethylamino):PPM | ≤30 |
Content of Fe: PPM | ≤0.05 |
Content of methanol: mg/kg | ≤10 |
Content of dymethylacetamide: PPM | ≤500 |
Conductance ration(25°C,20% water solution):M | ≤15 |
Diopter Nd25 | 1.427-1.4290 |
Total water: % | ≤0.05 |
PH value(25°C,20% water solution) | 6.5-8.0 |
Packing and Storage: 200L plastic drums or steel drums.Tightly closed to store,prevent from leaking,avoid rain,sunlight,strictly forbid striking and rubbing,far from fire and heat source,stored in cool and vent places.
Dimethyl Formamide