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Dimethylacetamide

Abbreviation DMAC
Plant Niigata
Main Applications High grade solvent, pharmaceuticals, agricultural chemicals
Existing Chemical Substance No. (2)-723

Properties

Chemical Formula CH3CON(CH3)2
Molecular Weight 87.12
Appearance Colorless liquid
Odor Smell of Ammonia
Specific Gravity
(liquid 25℃/4℃)
0.9366
Boiling Point
(℃ 760mmHg)
165.5
Freezing Point
(℃ 760mmHg)
-20
Flash Point
(℃ Tagliabue (Tag) Closed Cup)
66
Ignition Temperature (℃) 490
Flammability Limits (vol%) 2.0-11.5
Vapour Pressure
(mmHg 25℃)
1.3
Viscosity (CP 25℃) 0.92
Solubility Readily soluble in water and ethanol
Stability&
Reactivity
Stable under temperature; produces harmful fume when heated and decomposed; soluton is corrosive.

Applicable Laws

Industrial Safety and Health Law
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(Solution of 40% or less)
Ship Safety Law
Civil Aeronautics Law
Other Major Applicable Laws

Classification of Hazard

Classification Inflammable liquid
Hazardous Fairly inflammable liquid
Harmful Absorption through inhalation and skin contact will affect consciousness; repetitive exposure may cause dysfunction in the liver and other organs.

Product Standard

Color Number (APHA) 10 or less
Water Content (wt%) 0.05 or less
Acid Content
(wt% as acetic acid)
0.02 or less
Distillation Test,
(vol% of 165 -167℃ fraction)
95% or greater
Refractive Index 1.435-1.437
Specific Gravity
(20/4℃)
0.938-0.942

Dimethylacetamide

Contact

Natural Gas Chemicals Company
Organic Chemicals Division

TEL:+81-3-3283-4788
FAX:+81-3-3214-0933

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