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CAS RN: 2421-28-5 | Product Number: B0948

3,3',4,4'-Benzophenonetetracarboxylic Dianhydride

Purity: >96.0%(T)
  • 4,4'-Carbonyldiphthalic Anhydride
3   2   ≥20 
7   1   8  
2   1   12  

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Product Number B0948
Purity / Analysis Method >96.0%(T)
Molecular Formula / Molecular Weight C__1__7H__6O__7 = 322.23  
Physical State (20 deg.C) Solid
Store Under Inert Gas Store under inert gas
Condition to Avoid Moisture Sensitive
CAS RN 2421-28-5
Reaxys Registry Number 761777
PubChem Substance ID 87563909
SDBS (AIST Spectral DB) 7780
MDL Number


Appearance White to Orange to Green powder to crystal
Purity(Morpholine Method) min. 96.0 %
Melting point 223.0 to 229.0 °C
Solubility in hot Acetone very faint turbidity
Properties (reference)
Melting Point 226 °C
Maximum Absorption Wavelength 580(CH3CN) nm
Solubility (very soluble in) Dimethylformamide
Solubility (soluble in) Tetrahydrofuran,Acetone
Pictogram Pictogram
Signal Word Warning
Hazard Statements H319 : Causes serious eye irritation.
H335 : May cause respiratory irritation.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P261 : Avoid breathing dust/ fume/ gas/ mist/ vapors/ spray.
P271 : Use only outdoors or in a well-ventilated area.
P264 : Wash skin thoroughly after handling.
P280 : Wear eye protection/ face protection.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P304 + P340 + P312 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor if you feel unwell.
P403 + P233 : Store in a well-ventilated place. Keep container tightly closed.
P405 : Store locked up.
Related Laws:
Transport Information:
HS Number 2918.30.3000
PubMed Literature

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