Neopentanediol dimethacrylate NPGDMA
CAS No. 1985-51-9
EINECS No. 217-856-8
MF C13H20O4
Quality standard
Purity min. 99.0% (GC)
Acid content max.0.02% (acid-base titr., calculated as MAAC)
Watercontent max.0.03%
Color max.20 (Pt-Co)
Stabilization 50±5 ppm MEHQ (HPLC)
Physical data
Appearance clear, colorless or yellowish liquid
Odor ester-like
Molecular weight 240.0 g/mol
Density 1.000 g/cm3 (20℃)
Refractive index 1.451 (20℃)
Boiling point +114℃(1014 mbar)
Solidfication -30℃
Viscosity 8.0 mPa.s (20℃)
Flashpoint +105.0℃
Solubility (20℃) < 0.2%(ester in water)
Principal Use
Neopentanediol dimethacrylate is an important crosslinking agent widely used in the fields of organic glass,coating,sol-speed and rubber industries.
Packaging
Plastic drums or stainless steel tank,200kg net weight.
Transportation and Storage
Avoid shine rain and high temperature in transportation.Store the products in cool, shady and ventilated conditions, keep far away from fire.6 months from date of delivery at a maximum storage temperature of 30℃.
General hints
Flammable ! Polymerization may be initiated by contamination with peroxides, aze compounds,heavy metal ions, tert. Amines, Scompounds. Polymerization is also induced by light. Atmospheric oxygen saturation in the monomer is necessary for stability. Storage temperatures should not exceed 35.
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