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Dimethylformamide

Abbreviation DMF
Plant Niigata
Main Applications High grade solvent
Existing Chemical Substance No. (2)-680

Properties

Chemical Formula (CH3)2NCHO
Molecular Weight 73.0953
Appearance Colorless liquid
Odor Slight amine smell
Specific Gravity (liquid 25℃/4℃) 0.9445
Boiling Point (℃ 760mmHg) 153
Freezing Point (℃ 760mmHg) -61
Flash Point (℃ Tagliabue (Tag) Closed Cup) 60
Ignition Temperature (℃) 445
Flammability Limits (vol%) 2.2-15.2
Vapour Pressure (mmHg 25℃) 3.7
Viscosity (CP 25℃) 0.796
Solubility Readily soluble in water, ether, Ketoalchohol
Stability&
Reactivity
Decompose into carbon monoxide when heated

Applicable Laws

Industrial Safety and Health Law Inflammable substance, class 2 organic solvent
High Pressure Gas
Fire Service Law Class 4 Petroleum No.2 soluble in water
Poisonous and Deleterious Substances Control Law
Law on the Prevention of Marine Pollution and Maritime Disaster Hazardous fluid class D
Ship Safety Law Inflammable liquids
Civil Aeronautics Law Inflammable liquid
Other Major Applicable Laws

Classification of Hazard

Classification Inflammable liquid
Hazardous Fairly inflammable liquid
Harmful Inhalation of highly concentrated vapour will irritate the throat and cause nausea. Repretitive exposure cause liver damage. European and U.S. institutions determine that this cannot be classified as 'carcinogetic to man.

Product Standard

Color Number (APHA) 10 or less
Water Content (wt%) 0.05 or less
Iron Content (ppm) 0.03 or less
pH (pH as 20% water solution) 6.0-8.5
Alkalinity (wt% as Dimethylamine) 0.005 or less
Purity(%) 99.9 or greater
Refractive Index 1.4275-1.4285
Specific Gravity (25/4℃) 0.9435-0.9450
Specific Electric Conductivity (É s/cm 20% water solution) 3.0 or less

Contact

Natural Gas Chemicals Company
Organic Chemicals Division

TEL:+81-3-3283-4788
FAX:+81-3-3214-0937

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