CAS MAYA: 89-32-7 prya pyrmomellititic dianhyrid
Hordhac kooban
Pyromellitic dianhydride (PMda), alaabooyinka saafiga ah waa cadyihiin cad oo cadcad oo cadcad. Ku soo dhaca hawada qoyan ayaa si dhakhso leh u nuugi doonta hawada iyo hydrolyzesic acid.dseylflfely sulfyfende, acetoneaneand solvents-ka kale ee acettoneand, oo aan ku dhex jirin ether, chloroformnd benzene. Badanaa loo isticmaalay sida qalabka ceyriin ee polyide, wakiilka iyo wakiilka iyo wakiilka iyo soo-saarista wakiilka daawooyinka ee 'Epoxy' iyo Reging Resin Extion.
Acid Pyromellic acid (PMA), oo sidoo kale loo yaqaan 1,2,4-BenzeretettecacacacacacacacyCood, oo inta badan loo adeegsado thesynthesis of polymimide, oct pyrmesite, iwm. .
| Wax | PMDA | Pma |
| Daahir wt% | 99.5% | 99% |
| Acetone acetone acetone ppm | 1500 | / |
| Dhibcaha dhalaalaya | 284 ~ 288 | / |
| Midab | Cad ilaa hurdi | Cad |
| Acid bilaash ah wt% | 0.5 | / |
| Cabbirka walxaha | Baahida macaamiisha | Baahida macaamiisha |
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