THPA is an excellent curing agent of epoxy resin. It is commonly used as a modifier of unsaturated polyester resin and alkyd resin. It can improve the adhesion, elasticity, gloss and water resistance of coatings.
CAS Number :
85-43-8Appearance :
White flakesAssay :
99.0%Packing :
25kg/bagLead time :
15 daysPayment Terms :
T/T in advancePort of Loading :
ShanghaiMOQ :
25kgPrice :
USD20/kg FOB Shanghai by seaTetrahydrophthalic anhydride (TPHA)
Synonyms：Cis-1,2,3,6-Tetrahydrophthalic anhydride; 3a,4,7,7a-Tetrahydroisobenzofuran-1,3-dione
CAS No.：85-43-8
EINECS No.：213-308-7
Molecular Formula：C8H8O3
Molecular Weight：152.1473
Structural Formula：
Standard：
|
Items |
Specifications |
|
Appearance |
White flakes |
|
Content |
≥99.0% |
|
Melting point |
98.0℃ ~ 102.0℃ |
|
Melt color（Pt-Co） |
≤80Hazen |
Properties：THPA is a white flake solid. Soluble in general organic solvents, slightly soluble in petroleum ether. Melting point: 100℃, Density 1.35g/ml.
Uses：THPA is an excellent curing agent of epoxy resin. It is commonly used as a modifier of unsaturated polyester resin and alkyd resin. It can improve the adhesion, elasticity, gloss and water resistance of coatings. As a plasticizer, it can improve the cold resistance and heat resistance of PVC, and is non-toxic. THPA is also an important intermediate in the synthesis of pesticides and pharmaceuticals.
Storage：Store in a cool, ventilated, moisture-proof and light-proof place. Keep container sealed and away from fire.
Packing：25kg or 500kg bag
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