(Also known as: piridafention; pyridiphenthion; CL 12503; NC-250; pyridiphenthion)
SUMMARY
Pyridafenthion is an organophosphate insecticide. It its moderately soluble in aqueous solution, is relatively volatile and is not persistent in soil. However, under certain conditions it may persist for a month or two in surface water. It is moderately toxic to mammals, is an acetyl cholinesterase inhibitor and a neurotoxicant. It is highly toxic to honeybees, earthworms and birds. data for aquatic organisms is limited but it is known to be moderately toxic to fish and algae.
Data alerts
The following alerts are based on the data in the tables below. An absence of an alert does not imply the substance has no implications for human health, biodiversity or the environment but just that we do not have the data to form a judgement.
Environmental fate
Ecotoxicity
Human health
Environmental fate Moderate alert: Potential for particle bound transport: Medium
Ecotoxicity High alert: Birds acute ecotoxicity: High; Bees acute unknown ecotoxicity: High; Earthworms acute ecotoxicity: High
Human health High alert: Acetyl cholinesterase inhibitor; Neurotoxicant
GENERAL INFORMATION
Description
An organophosphate insecticide used to control sucking and chewing insects
Example pests controlled
Aphids; Thrips; Leafhoppers; Sawflies
Example applications
Rice; Vegetables; Fruit
Efficacy & activity
-
Availability status
-
Introduction & key dates
1973, first introduced Japan
UK regulatory status
UK COPR regulatory status
Not approved
Date COPR inclusion expires
Expired
UK LERAP status
No UK approval for use
EC Regulation 1107/2009 (repealing 91/414)
EC Regulation 1107/2009 status
Not approved
Dossier rapporteur/co-rapporteur
Not applicable
Date EC 1107/2009 inclusion expires
Expired
EU Candidate for substitution (CfS)
Not applicable
Listed in EU database
No
Approved for use (✓) under EC 1107/2009 in the following EU Member States
Lewis, K.A., Tzilivakis, J., Warner, D. and Green, A. (2016) An international database for pesticide risk assessments and management. Human and Ecological Risk Assessment: An International Journal, 22(4), 1050-1064. DOI: 10.1080/10807039.2015.1133242