Synonym(s): BTDA, 4,4'-Carbonyldiphthalic anhydride
Formula: C17H6O7
Formula weight: 322.23
Purity: 97+%
CAS Number: 2421-28-5
Harmonized Tariff Code: 2918.30
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.
Risk Phrases: 36/37
Irritating to eyes and respiratory system.
Safety Phrases: 25
Avoid contact with eyes.
Form: Cream to brown powder or flakes
Density: 1.570
Melting point: 220-226°
Boiling point: 320°/5mm
Flash point: 324°(615°F)
EINECS: 219-348-1
MDL: MFCD00005923
Beilstein: 761777