Good Quality Solvent Dmso - N,N-Dimethylformamide(DMF 99.5%) cas 68-12-2 – Theorem

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Good Quality Solvent Dmso - N,N-Dimethylformamide(DMF 99.5%) cas 68-12-2 – Theorem Detail:

Di-methylformamide(DMF)

Molecular Formula

HCON(CH₃)₂

Molecular Weight

73.09

Properties

colorless transparent inflammable liquid with slight ammonia 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,ketone,chlorinated hydrocarbon and benzene hydrocarbon,hygroscopic.

Uses

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.

Packing and storage

200L plastic drums or plastic coated metal pail. 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 ventilating places.

Specifications

Q/320412 XY201-2004

Index name	First grade	Qualified product
Appearance	colorless transparent liquid without visible impurities
Di-methylformamide(DMF)	99.8	99.5
Methanol mg/kg ≤	50	100
Chroma, (Pt-Co)# : ≤	5	10
Refractive index n25D	1.427-1.429
Moisture, % ≤	0.05	0.10
Formic acid mg/kg ≤	30	50
Dimethyl amine mg/kg ≤	15	30
PH (20% solution)	6.5-8.0	6.5-9.0
Fe mg/kg ≤	0.05	-

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