Chemical Name: cis-1,2,3,6-Tetrahydrophthalic anhydride
Synonyms:cis-1,2,3,6-Tetrahydrophthalic anhydride;Tetrahydrophthalic anhydride; cis-4-Cyclohexene-1,2-dicarboxylic anhydride,THPA;
Δ4-Tetrahydrophthalicanhydride;Δ4-Tetrahydrophthalicanhydride;1,2,3,6-Tetrahydrophthalicanhydride(THPA);
1,3-Isobenzofurandione,3a,4,7,7a-tetrahydro-;TetrahydrChemicalbookophthalsureanhydrid;1,2,3,6-tetrahydrophthalicanhydride[qr];
1,3-Isobenzofurandione,3a,4,7,7a-tetrahydro-,cis-;1,3-isobenzofurandione,3a,4,7,7a-tetrahydro-[qr]
Molecular Formula C8H8O3
Molecular Weight 152.16
Structure
CAS Number 85-43-8
Specification
Appearance |
White Flakes |
Melted Color, Hazen |
60 Max |
Content,% |
≥99.0 |
Melting point,ºC |
100±2 |
Acid content , % |
1.0 Max. |
Ash (ppm) |
≤10 |
Iron (ppm) |
≤1.0 |
Flash Point |
157ºC |
Specifical Gravity(25/4ºC) |
1.20 |
Water Solubility |
decomposes |
Solvent Solubility: Slightly Soluble: petroleum ether Miscible: benzene, toluene, acetone, carbon tetrachloride, chloroform, ethanol, ethyl acetate
Applications:
Coatings, epoxy resin curing agents, polyester resins, adhesives, plasticizers, pesticides, etc.
Package and Storage
- 25kg/500kg/1000kg polypropylene woven bags with polyethylene lining. Or 25kg/paper bags with polyethylene lining.
- Store in cool, dry places and keep away from fire and moisture.
Products of Curing Agents
1. BENZOIN
2. CUA-4
3. GMA
4. HHPA
5. MHHPA
6. MTHPA
7. TGIC
8. THPA
9. Trimethyleneglycol di(p-aminobenzoate)