Nadic Anhydride (NA)
Molecular formula: C9H8O3
Chemical Name: 5-Norbornene-2, 3-dicarboxylic anhydride
CAS No.: 826-62-0
Molecular weight ： 164.16
Appearance: White solid
Purity : ≥ 98.0% Or ≥ 99.0% (Two Size according to Purity)
Melting Point：≥162.0 ℃
1) Used as the pharmaceutical intermediate of Lurasidone(Latuda), Tandospirone and etc.
2) Used as the raw material for pesticides.
3) Used as the curing agent of epoxy resin; the modifying agent of alkyd resin, urea-formaldehyde resin, melamine resins; the sulfide modifier, the surfactant, the textile penetrating agent, and etc..
4) Used in the unsaturated polyester resins, NA has better air-drying, higher heat resistance, weather resistance, heat resistance, higher degree of finish, better electrical properties, corrosion resistance and mechanical strength than the resins made by Phthalic anhydride or THPA.
This product should be tightly closed, out of the sun, moisture-proof and away from ignition source. The storage period is one year.