(Also known as: ANTU; alpha-naphthyl thiourea ; alpha-naphthylthiocarbamide; krysid)
SUMMARY
Alpha-naphthylthiourea is a rodenticide that is not generally approved for use in the developed world. It has high potential for bio-concentration, highly toxic to mammals and a skin and eye irritant. Alpha-naphthylthiourea is highly soluble in water and non-volatile but there is little environmental fate data or ecotoxicology available.
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
 
 
Human health High alert: Mammals acute toxicity: High
Warning: Significant data are missing
GENERAL INFORMATION
Description
An obsolete rodenticide that has been found to be useful primarily for control of the Norwegian rat.
Example pests controlled
Adult Norwegian rats (Rattus norvegicus)
Example applications
-
Efficacy & activity
Effective against Norweigian rats but is less effective on other species.
Availability status
Considered obsolete but may be available in some countries
Introduction & key dates
1945, first reported
UK regulatory status
UK COPR regulatory status
Not approved
Date COPR inclusion expires
Not applicable
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
Not applicable
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
ATAustria
BEBelgium
BGBulgaria
CYCyprus
CZCzech Republic
DEGermany
DKDenmark
EEEstonia
ELGreece
 
 
 
 
 
 
 
 
 
ESSpain
FIFinland
FRFrance
HRCroatia
HUHungary
IEIreland
ITItaly
LTLithuania
LULuxembourg
 
 
 
 
 
 
 
 
 
LVLatvia
MTMalta
NLNetherlands
PLPoland
PTPortugal
RORomania
SESweden
SISlovenia
SKSlovakia
 
 
 
 
 
 
 
 
 
Approved for use (✓) under EC 1107/2009 by Mutual Recognition of Authorisation and/or national regulations in the following EEA countries
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