Toxicological Profile for 2,4-Dichlorophenoxyacetic Acid (2,4-D)
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 ToxFAQs™, 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 - 3 MB]
Preface/Table of Contents pdf icon[PDF - 712 KB]
1. Relevance to Public Health pdf icon[PDF - 157 KB]
2. Health Effects pdf icon[PDF - 765 KB]
3. Toxicokinetics, Susceptible Populations, Biomarkers, Chemical Interactions pdf icon[PDF - 186 KB]
4. Chemical and Physical Information pdf icon[PDF - 86.6 KB]
5. Potential for Human Exposure pdf icon[PDF - 446 KB]
6. Adequacy of the Database pdf icon[PDF - 150 KB]
7. Regulations and Advisories pdf icon[PDF - 36.6 KB]
8. References pdf icon[PDF - 154 KB]
Appendices pdf icon[PDF - 917 KB]
Agency for Toxic Substances and Disease Registry (ATSDR). 2020. Toxicological profile for 2,4-Dichlorophenoxyacetic Acid (2,4-D). Atlanta, GA: U.S. Department of Health and Human Services, Public Health Service.
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.