THPA
As an organic intermediate,THPA is usually used in the production of alkyd and unsaturated polyester resins,coatings and the curing agent for the epoxy resins,and also used in insecticides,sulfide regulator, plasticizers, surfactant, alkyd resin modifier,pesticides and the raw materials of pharmaceuticals.
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Product Name:Tetrahydrophthalic anhydride,THPA
Chemical Name: cis-1,2,3,6-Tetrahydrophthalic anhydride,Tetrahydrophthalic anhydride,cis-4-Cyclohexene-1,2-dicarboxylic anhydride, THPA.
CAS No: 85-43-8
Formula:C8H8O3
Formula Weight: 152.16
Properties: Tetrahydrophthalic anhydride is soluble in benzene and acetone and it is also sensitive to moisture.
Specific Gravity: 1.20
Water Solubility:decomposes
Solvent Solubility: Slightly Soluble: petroleum ether Miscible: benzene, toluene, acetone, carbon tetrachloride, chloroform, ethanol, ethyl acetate.
Specification:
|
Appearance |
white flakes/powder |
|
Assay |
99.0% min |
|
Chromaticity (Pt-Co) |
80# max |
|
Melting point °C |
100.0±2.0 |
|
Acid content |
1.0% max |
|
Ash content (ppm) |
10 max |
As an organic intermediate,THPA is usually used in the production of alkyd and unsaturated polyester resins,coatings and the curing agent for the epoxy resins,and also used in insecticides,sulfide regulator, plasticizers, surfactant, alkyd resin modifier,pesticides and the raw materials of pharmaceuticals.
As raw materials for the production of unsaturated polyester, THPA mainly improved the air-drying performance of resins.The performance is more obvious especially in the production of high-grade resin putty and air-drying coatings.
Package: 25 kg plastic woven bags or paper bags,500kg plastic woven bags.
Applications:Tetrahydrophthalic anhydride is also called as THPA as a anhydride hardener mainly used in the fields of oatings,epoxy resin curing agents,polyester resins,adhesives,plasticizers,pesticides,etc.
Cautions: Store in cool,dry places and keep away from fire and moisture.
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