Poly(pyromellitic dianhydride-co-4,4′-oxydianiline), amic acid solution

ALDRICH/575771 - 12.0 wt. %±0.5 wt. % (80% NMP/20% xylene)

Synonym: Pyre-M.L.^® RK-692; Polyamic acid

Linear Formula: (C₁₂H₁₂N₂O .C₁₀H₂O₆)_x
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-575771-250ML	250 mL	$167.00 1/EA		Add To Favorites
45-575771-1L	1 L	$504.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

concentration	12.0 wt. %±0.5 wt. % (80% NMP/20% xylene)
density	1.03 g/mL at 25 °C (relative)
form	viscous liquid
Quality Level	300
refractive index	n20/D 1.5052
solubility	H₂O: miscible
storage temp.	−20°C

Application:	It is used as a precursor for polyimide coatings. It may also be used as a precursor for the preparation of carbon hollow fiber membranes.
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.
Legal Information:	Pyre-M.L. is a registered trademark of Industrial Summit Technologies Corp.
Packaging:	1 L in poly bottle
Packaging:	250 mL in poly bottle

Symbol	GHS02,GHS07,GHS08
Signal word	Danger
Hazard statements	H226 - H304 - H315 - H319 - H335 - H360FD - H373
Precautionary statements	P202 - P210 - P301 + P310 - P303 + P361 + P353 - P305 + P351 + P338 - P331
Hazard Codes	T
Risk Statements	61-10-20/21-36/37/38
Safety Statements	53-26-35-36/37
RIDADR	UN 1866C 3 / PGIII
WGK Germany	WGK 2
Flash Point(F)	84.2 °F - closed cup
Flash Point(C)	29 °C - closed cup

Density	1.03 g/mL at 25 °C (relative)
Refractive Index	n20/D 1.5052
Storage Temp.	−20°C
UNSPSC	12162002

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