25038-81-7

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25038-81-7 Structure

Identification	Back Directory
[Name] POLY(PYROMELLITIC DIANHYDRIDE-CO-4,4'-OXYDIANILINE), AMIC ACID
[CAS] 25038-81-7
[Synonyms] enamine] Polyamic acid PYRE-ML RC-5019 pyre-m.l. rk-692 pyre-m.l. rc-5057 pyre-m.l. rc-5069 pyre-m.l. rc-5097 PYRE(R)-ML RK-692 PYRE(R)-ML RC-5057 PYRE(R)-ML RC-5069 PYRE-ML(R) RC-5019 PYRE-ML(R) RC-5057 PYRE-ML(R) RC-5097 1- Kapton (PMDA- ODA Pyre-M.L.(R) RK-692 Pyre-M.L.(R) RC-5069 POLY(PYROMELLITIC DIANHYDRIDE-CO-4,4'-& POLY(PYROMELLITIC DIANHYDRIDE-ALT-4,4'-& POLY(PYROMELLITIC DIANHYDRIDE-CO-4,4'-O& poly(pyromelliticdianhydride-co-4,4’-oxydianilin Pyromelliticdianhydride,4,4’-oxydianilinepolymer Poly(pyromellitic dianhydride-co-4,4'-oxydianiline) pyromellitic dianhydride/ 4,4'-oxydianiline polyamide 4,4'-Diaminodiphenyl oxide-pyromellitic dianhydride copolymer POLY(PYROMELLITIC DIANHYDRIDE-CO-4,4'-OXYDIANILINE), AMIC ACID 4,4'-diaminobiphenyl ether-Pyromellitic anhydride polycondensate Poly(pyromellitic dianhydride-co-4,4-oxydianiline), amic acid (solution) 1h,3h-benzo[1,2-c:4,5-c’]difuran-1,3,5,7-tetrone,polymerwith4,4’-oxybis[benz POLY(PYROMELLITIC DIANHYDRIDE-CO-4,4'- OXYDIANILINE), AMIC ACID (SOLUTION), ELEC 1H,3H-Benzo[1,2-c:4,5-c’]difuran-1,3,5,7-tetrone,polymerwith4,4’-oxybis[benzenamine] Poly(pyroMellitic dianhydride-co-4,4'-oxydianiline), aMic acid solution electronic grade Poly(pyroMellitic dianhydride-co-4,4'-oxydianiline), aMic acid solution 15.0-16.0 wt. % in NMP Poly(pyroMellitic dianhydride-co-4,4'-oxydianiline), aMic acid solution 12.0 wt. %+/-0.5 wt. % (80% NMP/20% xylene) Poly(pyromellitic dianhydride-co-4,4'-oxydianiline), amic acid solution 12.8 wt. %+/-0.5 wt. % (80% NMP/20% aromatic hydrocarbon) Poly(pyroMellitic dianhydride-co-4,4'-oxydianiline), aMic acid solution 11 wt. %+/-5 wt. % in NMP/aroMatic hydrocarbons (80%/20% solvent ratio) Poly(pyromellitic dianhydride-co-4,4'-oxydianiline), amic acid solution 15.0 wt. %+/-5 wt. % in NMP/aromatic hydrocarbons (80%/20% solvent ratio)
[Molecular Formula] C22H14N2O7
[MDL Number] MFCD00217729
[MOL File] 25038-81-7.mol
[Molecular Weight] 418.356

Chemical Properties	Back Directory
[Boiling point ] 174 °C
[density ] 1.166 g/mL at 25 °C
[refractive index ] n20/D 1.5120
[Fp ] 85 °F
[storage temp. ] -20°C
[solubility ] H₂O: miscible
[form ] viscous liquid
[Water Solubility ] H2O: soluble 65-71wt. %
[EPA Substance Registry System] 1H,3H-Benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone, polymer with 4,4'-oxybis[benzenamine] (25038-81-7)

Safety Data	Back Directory
[Hazard Codes ] T,Xn,Xi
[Risk Statements ] 45-65-36/38-20/21-10-36/37/38-61-46-52/53
[Safety Statements ] 26-36-45-36/37-53-62-61
[RIDADR ] UN 1866 3/PG 3
[WGK Germany ] 1

Hazard Information	Back Directory
[Uses] Semi-conductor material. Dielectric component in thin films, high density interconnect systems and multichip modules.
[General Description] Poly(pyromellitic dianhydride-co-4,4′-oxydianiline), amic acid solution (PAA) converts to polyimide at 300^oC. The FTIR spectra indicates a carbonyl stretch of carboxylic acids in PAA at 1650 cm^-1. Following the imidization process, the peak at 1720cm^-1grows, indicating the formation of imide group.

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