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Neopentylglycol

Abbreviation NPG
Plant Mizushima
Main Applications Alkyd resin paint, polyester resin, powdered paint
Existing Chemical Substance No. 2-240

Properties

  NPG (melt) 90%NPG NPG (flake)
Chemical Formula (CH3)2C(CH2OH)2
Molecular Weight 104.15
Appearance Colorless transparent liquid Colorless transparent water solution White flakes
Specific Gravity (liquid) No data 0.978(40℃) 1.047
Boiling Point (℃ 760mmHg) 211 211
Freezing Point (℃) 129~130 38 (slurry at 30℃) 129~130
Flash Point (℃) 152 No data 152 (Open-cup flash test)
Ignition Temperature (℃) 399 No data 399
Dust Explosion: Lower Explosive Limit
Minimum Ignition Energy
Solubility Readily soluble in water
Stability&
Reactivity
Stable

Applicable Laws

  NPG (melt) 90%NPG NPG (flake)
Industrial Safety and Health Law
High Pressure Gas
Fire Service Law
Poisonous and Deleterious Substances Control Law
Law on the Prevention of Marine Pollution and Maritime Disaster
Ship Safety Law Hazardous material, harmful liquid (high temperature transportation)
Civil Aeronautics Law
Other Major Applicable Laws

Classification of Hazard

  NPG (melt) 90%NPG NPG (flake)
Classification Classification standard not applicable
Hazardous Not specially hazadous
Harmful Not specially harmful

Product Standard

  NPG(melt) 90%NPG NPG (flake)
Appearance Colorless transparent Liquid Colorless transparent Water solution White flakes
Color (Hazen) 30 or less 15 or less 20 or less
Ester Content (wt%) 1.0 or less 0.9 or less 1.0 or less
Aldehyde Content (wt%) 0.50 or less 0.45 or less 0.5 or less
Melting Point (℃) No less than 126.0 No less than 126.0
Hydroxyl Group (wt%)
Purity (wt%) 89.5~90.5
Water Content (wt%) 0.50 or less 9.5~10.5 0.5 or less
Ash Content (wt%)
Acidity (wt% as formic acid) 0.04 or less
Phthalic Acid Color Scale 2 or less 2 or less

Contact

Natural Gas Chemicals Company
Organic Chemical Division

TEL:+81-3-3283-4791
FAX:+81-3-3214-0930

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