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Pyromellitic Dianhydride

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Product Description

PRODUCT

Pyromellitic Dianhydride

CAS #

89-32-7

SYNONYM

1,2,4,5-Benzenetetracarboxylic Dianhydride; 1H,3H-Benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone

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FORMULA

C6H2(C2O3)2

Typical Product Specifications

APPEARANCE

White or light yellow

MELTING POINT

282 - 288C

BOILING POINT

397 - 400C

DENSITY

1.68 g/cm^3

CONTENT

>= 99.5%

NEUTRALIZATION EQUIVALENT

54.5 +- 0.2

PH

2.2 (3.9 gl)

VAPOR PRESSURE

63 mm hg (290 c)

MOLECULAR WEIGHT

218.12

SOLUBILITY

g100 g in water, reacts to give tetra-acid

NOTES

Pyromellitic Dianhydride is a very popular compound used mainly for producing polyimid resin and insulating paint. It is also a high temperature curing agent and plasticizer.

INDUSTRY

For more information call 1-800-282-3982 or email info@parchem.com!

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