4 4-Oxydiphthalic anhydride ODPA CAS 1823-59-2
Kukhona isitoko esanele, ikhwalithi ephezulu kanye nokulethwa okusheshayo. Inani elengeziwe elinesaphulelo esengeziwe.
Noma yiziphi izidingo, wamukelekile ukuthintana nathi nganoma yisiphi isikhathi.
Ulwazi Lokuxhumana | |
WhatsApp/Wechat/Skype: | + 86 131 6219 2651 |
I-imeyili: | alia@starskychemical.com |
info@starskychemical.com | |
Iwebhusayithi | www.starskychemical.com |
Incazelo
Igama lomkhiqizo: 4,4′-Oxydiphthalic anhydride (ODPA)
CAS: 1823-59-2
MF: C16H6O7
MW: 310.21
I-EINECS: 412-830-4
Iphoyinti lokuncibilika: 225-229 °C(lit.)
Indawo yokubilisa: 410.39°C (isilinganiso esinzima)
Ukuminyana: 1.4942 (isilinganiso esinzima)
Inkomba ye-refractive: 1.6380 (isilinganiso)
Ukucaciswa
Igama lomkhiqizo | I-ODPA |
Ukubukeka | Impushana emhlophe |
Ubumsulwa | ≥99% |
MW | 310.21 |
Iphoyinti lokuncibilika | 225-229 °C(lit.) |
Isicelo
4,4′-oxydiphthalic anhydrideisetshenziselwe ukulungisa i-polyimide material.
Izimo zokugcina
Gcina isitsha sivaliwe futhi sigcinwe endaweni epholile neyomile, futhi uqinisekise ukuthi kunomoya omuhle noma idivayisi yokukhipha umoya endaweni yokusebenza.
Ukuzinza
Uma isetshenziswe futhi igcinwe ngokuhambisana nemininingwane, ngeke ibole. Akukho ukusabela okuyingozi okwaziwayo. Gwema ama-oxide.
Isikhathi sokuthumela: Aug-02-2022