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431176

Sigma-Aldrich

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

electronic grade

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

Quality Level

100

purified by

sub-micron filtration (0.2 μm medium)

refractive index

n20/D 1.506

viscosity

30-38 poise(lit.)

bp

174 °C

transition temp

Tg >400 °C (imide)

density

1.04 g/mL at 25 °C

storage temp.

−20°C

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Application

Semi-conductor material. Dielectric component in thin films, high density interconnect systems and multichip modules.

Features and Benefits

Filtered through 0.2μm medium
High purity material with controlled metallic content. Polyimide has good thermal, mechanical and electrical properties.

signalword

Danger

Hazard Classifications

Aquatic Chronic 3 - Asp. Tox. 1 - Carc. 1B - Eye Irrit. 2 - Flam. Liq. 3 - Muta. 1B - Repr. 1B - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 2

flash_point_f

138.2 °F - closed cup

flash_point_c

59 °C - closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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