Skip Navigation

HazMap: Occupational Exposure to Hazardous Agents
HazMap Home SIS Home NLM Home

as Search Agents Search Diseases Search Jobs Full Text Search


Haz-Map Home on-tab Custom Search on-tab Help on-tab Web Glossary on-tab Reference on-tab
left corner Browse Haz-Map
right corner
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 1,3-Isobenzofurandione, 5,5`-carbonylbis-; 3,3`,4,4`-Benzophenonetetracarboxylic acid dianhydride; 3,3`,4,4`-Benzophenonetetracarboxylic dianhydride; 4,4`-Carbonyldiphthalic anhydride; Benzophenone-3,3`,4,4`-tetracarboxylic dianhydride; Benzophenonetetracarboxylic acid dianhydride; Benzophenonetetracarboxylic dianhydride; Bis-(3-phthalyl anhydride) ketone; BTDA; [ChemFinder]
Category Acid Anhydrides
Sources/Uses A curing agent for epoxy resins; [ChemFinder]
Comments A skin sensitizer; [Quick CPC]
Exposure Assessment
Skin Designation (ACGIH) Not evaluated
Adverse Effects
Skin Sensitizer Yes
Links to Other NLM Databases
Toxicity Information Search TOXNET
Chemical Information Search ChemIDplus
Related Information in Haz-Map
Diseases Occupational diseases associated with exposure to this agent:
Processes Industrial Processes with risk of exposure:





Specialized Information Services   U.S. National Library of Medicine,
8600 Rockville Pike, Bethesda, MD 20894
National Institutes of Health
Privacy/Disclaimer Notice
Customer Service: tehip@teh.nlm.nih.gov
Last updated: January, 2009