Toxicological Profile for Hexachlorocyclopentadiene (HCCPD)
CAS# 77-47-4
Draft for Public Comment
Comments may be submitted via Regulations.gov
Public Comment Period Closes December 30, 2026
Toxicological Profile Information
The ATSDR toxicological profile succinctly characterizes the toxicology and adverse health effects information for the toxic substance described therein. Each peer-reviewed profile identifies and reviews the key literature that describes a substance's toxicological properties.
A useful two page information sheet, the ToxFAQsTM, is also available.
Toxicological Profile Access
In order to access the ATSDR toxicological profile PDF files below, you must have Adobe Acrobat Reader. You may download that program free from Adobe.
Complete Profile pdf icon[PDF - 4.08 MB]
Preface pdf icon[PDF - 593 KB]
1. Relevance to Public Health pdf icon[PDF - 453 KB]
2. Health Effectspdf icon[PDF - 2.26 MB]
3. Toxicokinetics, Susceptible Populations, Biomarkers, Chemical Interactions pdf icon[PDF - 365 KB]
4. Chemical and Physical Information pdf icon[PDF - 227 KB]
5. Potential for Human Exposure pdf icon[PDF - 864 KB]
6. Adequacy of the Database pdf icon[PDF - 355 KB]
7. Regulations and Advisoriespdf icon[PDF - 196 KB]
8. Referencespdf icon[PDF - 283 KB]
Appendicespdf icon[PDF - 1.75 MB]
Reference
Agency for Toxic Substances and Disease
Registry (ATSDR). 2026. Toxicological profile for Hexachlorocyclopentadiene
(HCCPD) (Draft for Public Comment). Atlanta, GA: U.S. Department of Health and Human
Services, Public Health Service.
Disclaimer
All ATSDR toxicological profile PDF files are electronic conversions from other electronic text files. This conversion may have resulted in character translation or format errors.
Regulations or guidelines may change. Please check with the appropriate agency for any changes to the regulations or guidelines cited.
Where can I get more information?
If you have questions or concerns, please contact your community or state health or environmental quality department or:
For more information, contact:
Agency for Toxic Substances and Disease Registry
Office of Innovation and Analytics, Toxicology Section
4770 Buford Highway
Chamblee, GA 30341-3717
Phone: 1-800-CDC-INFO 888-232-6348 (TTY)
Email: Contact CDC-INFO
ATSDR can also tell you the location of occupational and environmental health clinics. These clinics specialize in recognizing, evaluating, and treating illnesses resulting from exposure to hazardous substances.