Phthalic anhydride
Profaịlụ ngwaahịa
Phthalic anhydride, ngwakọta organic nke nwere usoro kemịkalụ C8H4O3, bụ anhydride cyclic acid mepụtara site na akpịrị ịkpọ nkụ nke mkpụrụ ndụ phthalic acid. Ọ bụ ntụ ntụ kristal na-acha ọcha, nke a na-adịghị ahụkebe na mmiri oyi, na-agbaze ntakịrị na mmiri ọkụ, ether, soluble na ethanol, pyridine, benzene, carbon disulfide, wdg, na bụ ihe dị mkpa organic chemical akụrụngwa. Ọ bụ etiti dị mkpa maka nkwadebe nke phthalate plasticizers, mkpuchi, saccharin, agba na ogige organic.
Nka na ụzụ Index
| Nkọwapụta | Nsonaazụ ule | |
| Nyocha | ≥99.5% | 99.8% |
| Anhydride maleic | ≤0.05% | 0 |
| Chroma na-agbaze | ≤20 | 5 |
| Chroma nkwụsi ike | ≤50 | 15 |
| Chroma sulfuric acid | ≤40 | 5 |
| Ọdịdị | Flakes ọcha ma ọ bụ ntụ ntụ kristal | Ọcha ọcha |
Mpaghara ngwa:
Phthalic anhydride bụ ihe dị mkpa kemịkalụ kemịkalụ na ihe etiti dị mkpa maka ịkwadebe phthalate plasticizers, mkpuchi, saccharin, akwa na ogige organic.
