Phthalic anhydride
Product profile
Phthalic anhydride, an organic compound with chemical formula C8H4O3, is a cyclic acid anhydride formed by dehydration of phthalic acid molecules. It is a white crystalline powder, insoluble in cold water, slightly soluble in hot water, ether, soluble in ethanol, pyridine, benzene, carbon disulfide, etc., and is an important organic chemical raw material. It is an important intermediate for the preparation of phthalate plasticizers, coatings, saccharin, dyes and organic compounds.
Technical Index
|
Specification |
Test results |
|
|
Assay |
≥99.5% |
99.8% |
|
Maleic Anhydride |
≤0.05% |
0 |
|
Melting Chroma |
≤20 |
5 |
|
Thermal stabilization Chroma |
≤50 |
15 |
|
Sulfuric acid Chroma |
≤40 |
5 |
|
Appearance |
White flakes or crystal powder |
White flakes |
Application field：
Phthalic anhydride is an important organic chemical raw material and an important intermediate for preparing phthalate plasticizers, coatings, saccharin, dyes and organic compounds.
