4 4-Oxydiphthalic anhydride ODPA CAS 1823-59-2

4 4-Oxydiphthalic anhydride ODPA CAS 1823-59-2

Muaj cov khoom lag luam txaus, siab zoo thiab xa khoom sai. Ntau qhov ntau nrog luv nqi ntxiv.

Txhua yam kev xav tau, txais tos hu rau peb txhua lub sijhawm.

Hu Xov Xwm

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Kev piav qhia

Khoom npe: 4,4′-Oxydiphthalic anhydride (ODPA)

CAS: 1823-59-2 Nr

MF: C16H6O7

PIB: 310.21

PIB: 412-830-4

Melting point: 225-229 ° C (lit.)

Kub taw tes: 410.39 ° C (kwv yees ntxhib)

Qhov ceev: 1.4942 (nruab nrab kwv yees)

Refractive Index: 1.6380 (kwv yees)

pab 9

Specification

Khoom npe  ODPA
Qhov tshwm sim Dawb hmoov
Purity ≥99%
MW 310.21 Nws
Melting point 225-229 ° C (lit.)

Daim ntawv thov

4,4′-oxydiphthalic anhydridesiv rau kev npaj cov khoom siv polyimide.

Cia tej yam kev mob

Khaws lub thawv ntim khoom ntim thiab khaws cia rau hauv qhov chaw txias thiab qhuav, thiab xyuas kom meej tias muaj qhov cua zoo lossis tso pa tawm hauv chaw ua haujlwm

Kev ruaj ntseg

Yog siv thiab khaws cia raws li kev qhia tshwj xeeb, nws yuav tsis decompose. Tsis muaj kev paub txog kev phom sij. Tsis txhob oxides.


Post lub sij hawm: Aug-02-2022