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Agent Name Hexahydrophthalic anhydride
CAS Number 85-42-7
Formula C8-H10-O3
Major Category Plastics & Rubber
Synonyms 1,2-Cyclohexanedicarboxylic acid anhydride; Araldite HT 907; HHPA; Hexahydrophthalic acid anhydride; Hexahydrophthalic anhydride; Lekutherm Hardener H;1,3-Isobenzofurandione, hexahydro-; Cyclohexane-1,2-dicarboxylic anhydride; [ChemIDplus]
Category Acid Anhydrides
Sources/Uses Used as a curing agent for epoxy resins and an intermediate for plasticizers and other chemicals; [Hawley]
Comments Occupational asthma reported in chemical worker; [Malo]
Reference Link Airborne allergic contact urticaria from methylhexahydrophthalic anhydride and hexahydrophthalic anhydride
Exposure Assessment
Skin Designation (ACGIH) No
Ceiling (ACGIH) 0.005 mg/m3, inhalable fraction and vapor
Adverse Effects
Asthma Yes
Skin Sensitizer Yes
Links to Other NLM Databases
Toxicity Information Search TOXNET
Chemical Information Search ChemIDplus
Biomedical References Search PubMed
Related Information in Haz-Map
Diseases Occupational diseases associated with exposure to this agent:
Processes Industrial Processes with risk of exposure:




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Last updated: September, 2008