Pyromellitic Dianhydride CAS 89-32-7

Pyromellitic Dianhydride Basic information

Product Name:

Pyromellitic Dianhydride

CAS:

89-32-7

MF:

C10H2O6

MW:

218.12

EINECS:

201-898-9

Mol File:

89-32-7.mol

Pyromellitic Dianhydride Chemical Properties

Melting point

283-286 °C(lit.)

Boiling point

397-400 °C(lit.)

density

1,68 g/cm3

bulk density

400-600kg/m3

vapor pressure

0Pa at 25℃

refractive index

1.6000 (estimate)

Fp

380 °C

storage temp.

2-30°C

solubility

Soluble in dimethyl sulfoxide, acetone, chloroform, ethyl ether, n-hexane and benzene.

form

Fine Powder

pka

5.45[at 20 ℃]

color

White to pale yellow

Water Solubility

decomposes

Sensitive

Moisture Sensitive

BRN

213583

Henry's Law Constant

1.3×103 mol/(m3Pa) at 25℃, HSDB (2015)

InChI

1S/C10H2O6/c11-7-3-1-4-6(10(14)16-8(4)12)2-5(3)9(13)15-7/h1-2H

InChIKey

ANSXAPJVJOKRDJ-UHFFFAOYSA-N

SMILES

O=C1OC(=O)c2cc3C(=O)OC(=O)c3cc12

LogP

-2.03 at 21.5℃

CAS DataBase Reference

89-32-7(CAS DataBase Reference)

NIST Chemistry Reference

1,2,4,5-Benzenetetracarboxylic anhydride(89-32-7)

EPA Substance Registry System

1H,3H-Benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone (89-32-7)

Item

Specification

Result

Acetone residue

≤1500ppm

757ppm

Free acid

≤0.5%

0.11%

Appearance

White crystal

White crystal

Melting point

286-288°C

286.7°C

Purity

≥99.5%

99.93%