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Ethoprop is a restricted and highly toxic organophosphate insecticide and nematacide that is banned in most countries but still used in the United States (#PAN Registration Status). Its works through cholinesterase inhibition.


Just the facts

Physical Information

Name: Ethoprop

Use: organophsphate insecticide

Source: synthetic chemistry

Recommended daily intake: none

Absorption: dermal, inhalation, ingestion

Sensitive individuals: workers

Toxicity/symptoms: highly toxic

Regulatory facts: banned in a number of countries

Chemical Structure

Structure retrieved from INTOX.


Chemical Description

Ethoprop is a clear pale yellowish liquid at room temperature with a strong mercaptan odor that is very soluble in solvents (#CAL EPA, 1995).


Ethoprop is an organophosphate insecticide, nematicide, and fungicide that is used on numerous fruits, vegetables, and even grass (#CAL EPA, 1995). It must be mixed with the soil or applied mixed with water to be effective (#CAL EPA, 1995).

Health Effects

Ethoprop is a highly toxic organophosphate insecticides that has symptoms common with other organophospahtes and revolve around the chemicals inhibition of cholinesterase.

Environmental Effects

Ethoprop is very highly toxic to birds, moderately highly aquatic organisms, and moderately to highly toxic to honeybees (#EXTOXNET). It does not bind strongly to soils and therefore has the ability to contaminate groundwater (#CAL EPA, 1995).

Regulatory Status

See PAN for a table of where ethoprop is banned.

External Links


Pesticides Action Network - Pesticide Regulation Status. Ethoprop. Accessed 6-28-07.

California Environmental Protection Agency. "Ethoprop Risk Characterization Document". October 31, 1995.

Extension Toxicology Network. "Pesticide Information Profile - Ethoprop". Accessed 6-29-07.

Pesticide Action Network (PAN) - Chemicals. "Ethoprop". Accessed 6-28-07.

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