I-anhydride ye-phthalic, eyaziwa kakhulu ngokuthi i-phthalic anhydride, iyinto ebalulekile yamakhemikhali aphilayo. Iyisithako esijwayelekile sokulwa nokusha kwerabha yemvelo, irabha ye-isoprene, irabha ye-butadiene, irabha ye-styrene-butadiene, kanye nerabha ye-nitrile, ivimbela ukushisa futhi ithuthukise ukuphepha kokusebenza. Inomthelela omncane esikhathini sokuvuthwa kanye nezakhiwo zokuguga komkhiqizo oqediwe. Isebenza kahle kakhulu ezinhlelweni ze-Chemicalbook eziqukethe i-thiazole-guanidine kanye ne-thiazole-thiuram accelerators, kanye nenhlanganisela ene-alkaline accelerators, kodwa ayifanele izinhlelo ze-vulcanization ezingenayo i-thiuram. Ihlakazeka kalula, ayiqhakazi, futhi inokungcola okuncane, kodwa amakhemikhali erabha amhlophe angabonisa ukushintsha kombala okuncane lapho evezwa ekukhanyeni, futhi ngokuvamile akufanele ukusetshenziswa namakhemikhali erabha amhlophe.

I-anhydride ye-phthalic iyi-anhydride ejikelezayo eyakhiwe ukuphelelwa amanzi emzimbeni kwe-phthalic acid ngaphakathi kwamamolekyuli. Ingadlula ku-hydrolysis, i-alcohollysis, kanye ne-ammonolysis, futhi isabela nama-hydrocarbon aromatic ukuze yenze ama-anthraquinone derivatives. Ezimbonini, i-anhydride ye-phthalic ikhiqizwa yi-gas-phase oxidation ye-naphthalene nomoya ku-350–360 °C ngaphansi kwe-vanadium pentoxide catalysis, noma nge-oxidation ye-o-xylene nomoya. I-anhydride ye-phthalic ingasetshenziswa esikhundleni se-phthalic acid, ikakhulukazi isabela nama-monohydric alcohols ukuze yakhe ama-esters, njenge-dibutyl phthalate kanye ne-dioctyl phthalate.

Izakhiwo zamakhemikhali: Amakristalu amhlophe afana nenaliti anephunga elincane. Ayacwebezela. Ancibilika kancane emanzini ashisayo kanye ne-ether, ancibilika ku-acetone, i-ethanol, i-benzene, kanye ne-pyridine. Aguquka abe yi-phthalic acid uma ethinta amanzi abilayo noma ethinta amanzi isikhathi eside. Isitoreji sizinzile. Iyavutha. Izingxube zothuli nomoya ziyingozi yokuqhuma; umkhawulo ophansi wokusha (LCL) 12.6 g/cm³. Uthuli oluqoqiwe lubangela ingozi yomlilo. Izinga lokushisa lokushisa kwe-aerosol lingu-160°C, izinga lokushisa lokushisa okuzenzakalelayo lingu-545°C. Ubuthi; umkhawulo wokuhlushwa ovunyelwe ngu-1 mg/m³.

I-anhydride ye-phthalic ingenye yezinto ezibaluleke kakhulu zamakhemikhali e-organic. Izinto ezisetshenziswayo eziyinhloko zifaka phakathi i-dibutyl phthalate, i-dioctyl phthalate, kanye ne-diisobutyl phthalate, ezisetshenziswa njengezinto zokwenziwa kwepulasitiki ze-PVC, njll. Ingasetshenziswa futhi ekukhiqizweni kwama-resin e-polyester angagcwali, ama-resin e-alkyd, amadayi nemibala, upende ohlukahlukene, izithasiselo zokudla, i-phenolphthalein ekhipha ukungcola kwesikhumba kwezokwelapha, kanye nezibulala-zinambuzane ezifana ne-phosmet, i-metribuzin, kanye ne-sodium saccharin.

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