3,3',4,4'-Benzophenonetetracarboxylic dianhydride, 97+%

CAS Number 2421-28-5 Synonyms
  • BTDA
  • 4,4'-Carbonyldiphthalic anhydride
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3,3',4,4'-Benzophenonetetracarboxylic dianhydride, 97+%

MDL: MFCD00005923
EINECS: 219-348-1

Chemical Properties

Formula: C17H6O7  Flash point: 324°(615°F)
Formula weight: 322.23  Density: 1.570
Melting point: 220-226° Sensitivity: Moisture Sensitive
Boiling point: 320°/5mm 

GHS Hazard and Precautionary Statements

Hazard Statements : H319-H335

Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements : P261-P280-P305+P351+P338-P304+P340-P405-P501A

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Harmful or Irritant

Other References

Beilstein: 761777
Harmonized Tariff Code: 2918.30
3,3',4,4'-Benzophenonetetracarboxylic dianhydride, 97+% - CAS 2421-28-5 - Formula C17H6O7


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