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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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Related Categories

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.

Signal Word

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 Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

138.2 °F - closed cup

Flash Point(C)

59 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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.

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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