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431206

Sigma-Aldrich

Poly(3,3′,4,4′-benzophenonetetracarboxylic dianhydride-co-4,4′-oxydianiline/1,3-phenylenediamine), amic acid solution

electronic grade

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About This Item

CAS Number:
31942-21-9
MDL number:
MFCD00217684
UNSPSC Code:
12162002

grade

electronic grade

form

liquid

purified by

filtration through 0.2μm medium

composition

solids, 18-20 wt. %

concentration

19 wt. %±1 wt. % (1-methyl-2-pyrrolidinone/aromatic hydrocarbon (80:20))

impurities

≤10 ppm total metals

refractive index

n20/D 1.517 (lit.)

bp

159 °C (lit.)

transition temp

Tg >320 °C (imide)

density

1.06 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤5 ppm

storage temp.

−20°C

InChI

1S/C17H6O7.C12H12N2O.C6H8N2/c18-13(7-1-3-9-11(5-7)16(21)23-14(9)19)8-2-4-10-12(6-8)17(22)24-15(10)20;13-9-1-5-11(6-2-9)15-12-7-3-10(14)4-8-12;7-5-2-1-3-6(8)4-5/h1-6H;1-8H,13-14H2;1-4H,7-8H2

InChI key

KXOLRVPSEREXHU-UHFFFAOYSA-N

General description

viscosity 12-16 poise at 25°C (Brookfield)

Application

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

Features and Benefits

High purity material with controlled metallic content. Polyimide has good thermal, mechanical and electrical properties.

Other Notes

Forms insoluble polyimide upon heating
Store at -18° C for extended shelf life.

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
MKBQ4268V
MKBN4312
MKBL6410
MKBF1595
MKAA1934

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