Pyromellitic Dianhydride (Purified By Sublimation) 99.0%(HPLC)

99.0%(HPLC)


Properties

Vapour pressure 0.0±0.9 mmHg at 25℃
Assay Purity >99%(HPLC)
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
Poly(Styrene Sulfonic Acid) Sodium Salt M.W. 300000

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.