TIANFU-CHEM CAS NO.2421-28-5 3,3',4,4'-Benzophenonetetracarboxylic dianhydride

Details:

3,3',4,4'-Benzophenonetetracarboxylic dianhydride Basic information
Product Name: 3,3',4,4'-Benzophenonetetracarboxylic dianhydride
Synonyms: 1,3-Isobenzofurandione, 5,5'-carbonylbis-;3,3',4,4'-Benzophenonetetracarboxylic acid dianhydride;3,3',4,4'-Tetracarboxybenzophenone dianhydride;3,3’,4,4’-benzophenonetetracarboxylicaciddianhydride;3-Isobenzofurandione,5,5’-carbonylbis-1;4,4'-Carbonylbis[phthalic anhydride];4,4'-Diphthalic anhydride ketone;5,5’-carbonylbis-3-isobenzofurandione
CAS: 2421-28-5
MF: C17H6O7
MW: 322.23
EINECS: 219-348-1
Product Categories: pharmacetical;Aromatic Tetracarboxylic Dianhydrides (for High-Performance Polymer Research);Benzophenones (for High-Performance Polymer Research);Functional Materials;Reagent for High-Performance Polymer Research;fine chemicals, specialty chemicals, intermediates, electronic chemical, organic synthesis, pharmaceutical intermediates;fine chemicals, specialty chemicals, intermediates, electronic chemical, organic synthesis, functional materials
Mol File: 2421-28-5.mol
3,3',4,4'-Benzophenonetetracarboxylic dianhydride Structure
3,3',4,4'-Benzophenonetetracarboxylic dianhydride Chemical Properties
mp  218-222 °C(lit.)
bp  320°C 5mm
density  1,57 g/cm3
vapor density  1.4 (vs air)
vapor pressure  <0.1 mm Hg ( 0 °C)
Fp  324 °C
solubility  DMF: 0.1 g/mL, clear
Water Solubility  REACTS
Sensitive  Moisture Sensitive
Sublimation  220-230 ºC
BRN  761777
NIST Chemistry Reference Bis-(3-phthalyl anhydride) ketone(2421-28-5)
EPA Substance Registry System 1,3-Isobenzofurandione, 5,5'-carbonylbis-(2421-28-5)
Safety Information
Hazard Codes  Xi
Risk Statements  36/37
Safety Statements  25
WGK Germany  1
F  21
HS Code  29183000