Lambar akwati: 89-32-7 PMDA Pyromeltic dianhydride
Gabatarwa a takaice
Samfuran Pyromeltic dianhydride (PMDA), waɗanda aka yi su da fararen lu'ulu'u ne ko kuma masu ɗan rawaya kaɗan. Idan aka fallasa su ga iska mai danshi, za su sha danshi daga iska da sauri kuma su zama ruwan hydrolyzes zuwa Pyromellitic Acid. Ana narkewa a cikin dimethyl sulfoxide, dimethylformamide, acetone da sauran sinadarai masu narkewa na halitta, ba sa narkewa a cikin ether, chloroform da benzene. Ana amfani da su galibi azaman kayan aiki don polyimide, da kuma wakili mai haɗaka don ƙera wakilin warkarwa na epoxy da kuma kawar da resin polyester.
Pyromellitic acid (PMA), wanda aka fi sani da 1,2,4,5-benzenetetracarboxylicacid, mai launin fari zuwa rawaya, ana amfani da shi galibi wajen haɗa polyimide, octyl pyromelliate, da sauransu, shine babban kayan da ake amfani da shi wajen samar da sinadarin matting curing.
| KAYA | PMDA | PMA |
| Tsarkaka wt% | 99.5% | 99% |
| Ragowar Acetone PPM | 1500 | / |
| Wurin narkewa | 284~288 | / |
| Launi | Fari zuwa rawaya | Fari |
| Free acid wt% | 0.5 | / |
| Girman ƙwayoyin cuta | A kan buƙatar abokin ciniki | A kan buƙatar abokin ciniki |
Don Allah a tuntube mu don samun COA da MSDS. Na gode.
