Product name:Phthalic anhydride/o-Phthalic anhydride
CAS:85-44-9
MF:C8H4O3
MW:148.12
Density:1.53 g/cm3
Melting point:131.5°C
Package:1 kg/bag, 25 kg/bag, 25 kg/drum
Property:It is difficult to dissolve in cold water, soluble in hot water, ethanol, ether, benzene and other organic solvents.
| Items | Specifications |
| Appearance | White scaly or crystalline powder |
| Purity | ≥99.5% |
| Thermally stable chroma | ≤50 |
| Sulfuric acid color | ≤40 |
| Crystallization point | ≥30°C |
1.Phthalic anhydride is one of the most important organic chemical raw materials, its main derivatives are dibutyl phthalate, dioctyl ester and diisobutyl ester, and can be used as plasticizer for PVC, etc.
2.It can also be used in the production of unsaturated polyester resin, alkyd resin, dyes and pigments, a variety of paints, food additives, etc.