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802093

Sigma-Aldrich

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

viscosity 5-7 poise , electronic grade, 13 wt% in (80% NMP/20% Xylene)

Synonym(s):

Polyamic acid

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About This Item

Linear Formula:
(C12H12N2O .C10H2O6)x
UNSPSC Code:
12162002
NACRES:
NA.23

grade

electronic grade

description

13% ± 5 wt.% in (80% N-Methyl-2-Pyrrolidone, 20% Xylene)
purified by sub-micron filtration (0.2 μm medium)

form

liquid

refractive index

n20/D 1.502

viscosity

5-7 poise(25 °C, Brookfield) (12rpm)(lit.)
5-7 poise

density

1.068 g/mL at 25 °C

storage temp.

2-8°C

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signalword

Danger

Hazard Classifications

Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Repr. 1B - Skin Irrit. 2 - STOT RE 2 Inhalation - STOT SE 3

target_organs

Central nervous system,Liver,Kidney, Respiratory system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 2

flash_point_f

131.0 °F

flash_point_c

55 °C


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