The information in this profile may be out-of-date.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: The trade names and synonyms for chloramben are Ambiben, Amiben, Amiben DS, Chlorambene, Ornamental Weeder, and Vegiben.

Regulatory Status: Chloramben is classified as a General Use Pesticide (GUP) by the U.S. Environmental Protection Agency. A toxicity class IV pesticide, chloramben is practically nontoxic. Chloramben products bear the Signal Word CAUTION. It is no longer produced or sold in the U.S.

Chemical Class: benzoic acid compound

Introduction: Chloramben is a selective, preemergence benzoic acid herbicide that is primarily soil-applied to control annual grass and broadleaved weed seedlings. It is mostly used for soybeans, but it is also used for dry beans, peanuts, sunflowers, peppers, cotton, sweet potatoes, squash, hardwood trees, shrubs, and some conifers. Chloramben inhibits seedling root development and causes plants to bend and die as they emerge from the soil.

Formulation: Not Available

Toxicological Effects:

Ecological Effects:

Environmental Fate:

Physical Properties:

Exposure Guidelines:

Basic Manufacturer:

Chloramben is no longer produced or sold in the U. S.

Not Available


References for the information in this PIP can be found in Reference List Number 7

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.