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Key Documents

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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Signal Word

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 Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

131.0 °F

Flash Point(C)

55 °C


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH SVHC Candidate List

CAS No.

EU REACH Annex XVII (Restriction List)

CAS No.

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