Skip Navigation

---

Search as

Browse Haz-Map

Agent Name Chlorendic anhydride CAS Number 115-27-5 Formula C9-H2-Cl6-O3 Major Category Plastics & Rubber Synonyms 1,4,5,6,7,7-Hexachloro-endo-5-norbornene-2,3-dicarboxylic; anhydride; 1,4,5,6,7,7-Hexachloro-endo-bicyclo(2.2.1)hept-5-ene-2,3-dicarboxylic anhydride; 1,4,5,6,7,7-Hexachlorobicyclo(2.2.1)-5-heptene-2,3- dicarboxylic acid anhydride; 4,7-Methanoisobenzofuran-1,3-dione, 4,5,6,7,8,8-hexachloro-3a,4,7,7a-tetrahydro-; 5-Norbornene-2,3-dicarboxylic anhydride, 1,4,5,6,7,7-hexachloro-; Chloran 542; HET anhydride; Hexachloro-5-norbornene-2,3-dicarboxylic anhydride; Hexachloroendomethylene tetrahydrophthalic anhydride; [ChemIDplus] Category Acid Anhydrides Description White crystals; [Hawley] Sources/Uses Used as a hardener in epoxy resins and a flame retardant in polyester resins; Used in the production of chlorendic acid and polymers for coatings and building materials; [HSDB] Comments Occupational asthma reported in mechanics; [Malo] May cause skin sensitization after repeated or prolonged skin contact; [ICSC] Exposure Assessment Lethal Concentration LC50 (rat) = >1,000 mg/m3; Explanatory Notes mp = 233 degrees C; [ChemIDplus] Adverse Effects Asthma Yes Skin Sensitizer Yes Links to Other NLM Databases Health Studies Human Health Effects from Hazardous Substances Data Bank: CHLORENDIC ANHYDRIDE   Toxicity Information Search TOXNET Chemical Information Search ChemIDplus Related Information in Haz-Map Diseases Occupational diseases associated with exposure to this agent: Asthma, occupational Contact dermatitis, allergic Processes Industrial Processes with risk of exposure: Plastic Composites Manufacturing

---

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