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3,3',4,4'-Benzophenonetetracarboxylic dianhydride, 97+% - CAS 2421-28-5 - Formula C17H6O7

A16529 2421-28-5 3,3',4,4'-Benzophenonetetracarboxylic dianhydride, 97+% BTDA 4,4'-Carbonyldiphthalic anhydride Alfa Aesar


Certificate of Analysis

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

CAS: 2421-28-5 MDL: MFCD00005923  EINECS: 219-348-1
Not regulated for shipping
Alternate Name: BTDA
4,4'-Carbonyldiphthalic anhydride


Pricing and Availability

Size ($) Price Your Price Quantity Options Availability
100g 28.90 Check Availability Add to Favorites Enter qty and click checkbox
500g 68.50 Check Availability Add to Favorites Enter qty and click checkbox
2.5kg 276.00 Check Availability Add to Favorites Enter qty and click checkbox

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 

Other References

Beilstein: 761777
Harmonized Tariff Code: 2918.30

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

Risk & Safety

Risk Phrases: 36/37
Irritating to eyes and respiratory system.
Safety Phrases: 25
Avoid contact with eyes.