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Pyromellitic Anhydride Structure

Pyromellitic Anhydride

Chemical Properties

Melting point 283-286 °C(lit.)
Boiling point 397-400 °C(lit.)
Density  1,68 g/cm3
vapor pressure  0Pa at 25℃
refractive index  1.6000 (estimate)
Flash point 380 °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
InChIKey ANSXAPJVJOKRDJ-UHFFFAOYSA-N
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)

Safety Information

Hazard Codes  Xn
Risk Statements  41-42/43
Safety Statements  22-24-26-37/39
WGK Germany  1
RTECS  DB9300000
10-21
TSCA  Yes
HS Code  29173980
Hazardous Substances Data 89-32-7(Hazardous Substances Data)

MSDS

Usage And Synthesis

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