Pyromellitic Dianhydride 98.0%

98.0%


Linear Formula:  C10H2O6
Molecular Weight:  218.12g/mol
CAS Number: 89-32-7

Properties

Vapour pressure 0.0±0.9 mmHg at 25℃
Assay Purity >98%
Refractive index 1.708
B pt. 400 ℃
M pt. 286℃
Density 1.68g/cm3

Safety Information

Hazard Statement(s) H317 - H318 - H334
Precautionary Statement  P261 - P280 - P280 - P284 - P304 + P340 - P305 + P351 + P338 + P310
Symbol
Signal word Danger
HS Code 2917399090
Flash point 380℃
Storage Temp. Store under inert gas
Packaging Poly Bottle

Description

Recommended products
(6-Chloro-1H-Benzotriazol-1-Yloxy)Tripyrrolidinophosphonium Hexafluorophosphate 98.0%(HPLC)

Application
PMDA can be used to synthesize aromatic polyimides with excellent thermo-mechanical and chemical properties.[3]It may also be used as a capping agent in the development of siloxane based hybrid materials for potential usage in organic electronics.

Purpose
For R&D use onlynot for drug household or other uses.

General Description
Pyromellitic dianhydride (PMDA) is an acidic anhydride that can be used as a repair agent and as a chain extender in the formation of polyethylene terephthalate (PET) based chain extensions. It is mainly used in the production of thermoplastics and other coating applications.