Phthalic anhydride
Profaịlụ ngwaahịa
Phthalic anhydride, ngwakọta organic nke nwere usoro kemịkal C8H4O3, bụ anhydride cyclic acid nke etolite 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.
