BTDA
Agent Name
BTDA
Alternative Name
3,3`,4,4`-Benzophenonetetracarboxylic dianhydride
CAS Number
2421-28-5
Formula
C17-H6-O7
Major Category
Plastics & Rubber
Synonyms
3,3`,4,4`-Benzophenonetetracarboxylic dianhydride; 3,3',4,4'-Benzophenonetetracarboxylic acid dianhydride; 3,3',4,4'-Tetracarboxybenzophenone dianhydride; 4,4'-Carbonylbis(phthalic anhydride); 4,4'-Carbonyldiphthalic anhydride; 4,4'-Diphthalic anhydride ketone; Benzophenonetetracarboxylic acid anhydride; Benzophenonetetracarboxylic acid dianhydride; Benzophenonetetracarboxylic anhydride; Benzophenonetetracarboxylic dianhydride; 1,3-Isobenzofurandione, 5,5'-carbonylbis-; Benzophenone-3,3':4,4'-tetracarboxylic dianhydride; Phthalic anhydride, 4,4'-carbonyldi-; [ChemIDplus]
Category
Acid Anhydrides, Cyclic
Description
Light yellow powder; [Alfa Aesar MSDS]
Sources/Uses
A curing agent for epoxy resins; [ChemFinder]
Comments
A skin sensitizer; [Quick CPC] An irritant that may cause severe eye irritation; [Alfa Aesar MSDS] See "ACID ANHYDRIDES."
Biomedical References
Exposure Assessment
Adverse Effects
Skin Sensitizer
Yes
Diseases, Processes, and Activities Linked to This Agent
Diseases
Occupational diseases associated with exposure to this agent:
Processes
Industrial Processes with risk of exposure: