The information in this profile may be out-of-date. It was last revised in 1996. EXTOXNET no longer updates this information, but it may be useful as a reference or resource.

Please visit the National Pesticide Information Center (NPIC) to find updated pesticide fact sheets. If you don't find a fact sheet related to your question, feel free to call 1-800-858-7378. NPIC is open five days a week from 8:00am to 12:00pm Pacific Time.


Extension Toxicology Network

Pesticide Information Profiles

A Pesticide Information Project of Cooperative Extension Offices of Cornell University, Oregon State University, the University of Idaho, and the University of California at Davis and the Institute for Environmental Toxicology, Michigan State University. Major support and funding was provided by the USDA/Extension Service/National Agricultural Pesticide Impact Assessment Program.

EXTOXNET primary files maintained and archived at Oregon State University

Revised June 1996


Trade and Other Names: Trade names include AC 92553, Accotab, Go-Go-San, Herbadox, Penoxalin, Prowl, Sipaxol, Sovereign, Stomp and Way-Up.

Regulatory Status: Pendimethalin is a slightly toxic compound in EPA toxicity class III. Products containing pendimethalin must bear the Signal Word CAUTION or WARNING, depending on the formulation. Pendimethalin is a General Use Pesticide (GUP).

Chemical Class: Not Available

Introduction: Pendimethalin is a selective herbicide used to control most annual grasses and certain broadleaf weeds in field corn, potatoes, rice, cotton, soybeans, tobacco, peanuts, and sunflowers. It is used both pre-emergence, that is before weed seeds have sprouted, and early post-emergence. Incorporation into the soil by cultivation or irrigation is recommended within 7 days following application. Pendimethalin is available in emulsifiable concentrate, wettable powder, or dispersible granule formulations.

Formulation: Pendimethalin is available in emulsifiable concentrate, wettable powder, or dispersible granule formulations.

Toxicological Effects:

Ecological Effects:

Environmental Fate:

Physical Properties:

Exposure Guidelines:

Basic Manufacturer:

American Cyanamid
One Cyanamid Plaza
Wayne, NJ 07470-8426


References for the information in this PIP can be found in Reference List Number 10

DISCLAIMER: The information in this profile does not in any way replace or supersede the information on the pesticide product labeling or other regulatory requirements. Please refer to the pesticide product labeling.