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resmethrin (Ref: OMS 1206)
** synthrin ** OMS 1800 ** FMC 17370 ** SBP-1382 ** Translations

Environmental Fate - Ecotoxicology - Human Health - A to Z Index - Home

GENERAL INFORMATION Click here for an explantaion of the general chemical status information
for resmethrin

Description: A broad spectrum insecticide effective against a wide range of crawling and flying pests

Example pests controlled: Mosquitoes; Fleas; House flies; Blackflies; Gnats; Fruit flies; Wasps; Hornets; Coachroaches; Crickets; Ants; Carpet beetles

Example applications: Residences and other buildings; Landscapes; Muschroom houses; Industrial sites; Store produce; Fabric protection

Efficacy & activity: -

Availability status: Current

Introduction & key dates: 1967, first produced; 1969, first marketed in Japan

EC Regulation 1107/2009 (repealing 91/414):
Status Not approved
Dossier rapporteur/co-rapporteur Not applicable
Date inclusion expires Expired
EU Candidate for substitution (CfS) -
Listed in EU database Yes

Approved for use () or known to be used () in the following European countries: Click to access a note on the approvals information on this site

AT

BE

BG

CY

CZ

DE

DK

EE

EL

ES

FI

FR

HR

HU

IE

IT

LT

LU

LV

MT

NL

PL

PT

RO

SE

SI

SK

UK

Also used in: USA

Chemical structure: Click here for further information on the general chemical status information used on this site
Isomerism A chiral molecule. The technical material is an isomeric mixture of four optical isomers: [1R, trans]-, [1R, cis]-, [1S, trans]- and [1S, cis]- in roughly the ration 4:1:4:1.
Chemical formula C22H26O3
Canonical SMILES CC(=CC1C(C1(C)C)C(=O)OCC2=COC(=C2)CC3=CC=CC=C3)C
Isomeric SMILES No data
International Chemical Identifier key (InChIKey) VEMKTZHHVJILDY-UHFFFAOYSA-N
International Chemical Identifier (InChI) InChI=1S/C22H26O3/c1-15(2)10-19-20(22(19,3)4)21(23)25-14-17-12-18(24-13-17)11-16-8-6-5-7-9-16/h5-10,12-13,19-20H,11,14H2,1-4H3
Structure diagram/image available? Yes

General status: Click here for further information on the general chemical status information used on this site
Pesticide type Insecticide
Substance group Pyrethroid
Minimum active substance purity -
Known relevant impurities -
Substance origin Synthetic
Mode of action Non-systemic with contact action. Sodium channel modulator.
CAS RN 10453-86-8
EC number 233-940-7
CIPAC number 268
US EPA chemical code 097801
PubChem CID 5053
Molecular mass (g mol-1) 338.4
PIN (Preferred Identification Name) (5-benzylfuran-3-yl)methyl (1E,3E)-2,2-dimethyl-3-(2-methylprop-1-en-1-yl)cyclopropane-1-carboxylate
IUPAC name 5-benzyl-3-furylmethyl (1RS,3RS;1RS,3SR)-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate
CAS name [5-(phenylmethyl)-3-furanyl]methyl 2,2-dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylate
Other status information -
Relevant Environmental Water Quality Standards -
Herbicide Resistance Classification (HRAC) Not applicable
Herbicide Resistance Classification (WSSA) Not applicable
Insecticide Resistance Classification (IRAC) 3
Fungicide Resistance Classification (FRAC) Not applicable
Examples of recorded resistance Blattella germanica
Culex quinquefasciatus
Musca domestica
Plutella xylostella
Trialeurodes vaporariorum
Physical state Off-white to tan solid
Related substances & organisms

Formulations:
Property Click here for information on the general product and branding information used on this site Value
Example manufacturers & suppliers of products using this active now or historically
  • Bayer
  • Prentiss Incorporated
  • Sumitomo Chemical Co. Ltd.
Example products using this active
  • Benzofuroline
  • Chrysron
  • Derringer
  • Scourge
UK LERAP status No UK approval for use as a pesticide under EC Regulation 1107/2009
Formulation and application details Usually formulated as an emulsifiable concentrate, emulsion or ULV.


ENVIRONMENTAL FATE

for resmethrin

Property Click here for information on the parameters used to describe environmental fate on this site Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with fate data Interpretation Click here for information on the way in which we interpret environmental fate data
Solubility - In water at 20oC (mg l-1) 0.01 G4 Low
Solubility - In organic solvents at 20oC (mg l-1) - - -
Melting point (oC) 56.5 L3 -
Boiling point (oC) Decomposes before boiling L3 -
Degradation point (oC) 180 L3 -
Flashpoint (oC) 129 L3 -
Octanol-water partition coefficient at pH 7, 20oC P 2.69 X 1005 Calculated -
Log P 5.43 L3 High
Bulk density (g ml-1)/Specific gravity 0.96 L3 -
Dissociation constant (pKa) at 25oC - - -
Note:
Vapour pressure at 20oC (mPa) 0.0015 G4 Low volatility
Henry's law constant at 25oC (Pa m3 mol-1) 8.93 X 10-02 L3 Non-volatile
GUS leaching potential index Click here for a note on the limitations of the GUS index -1.48 Calculated Low leachability
SCI-GROW groundwater index (μg l-1) for a 1 kg ha-1 or 1 l ha-1 application rate Click here for a note on the limitations of the SCI-GROW index Value 5.35 X 10-03 Calculated -
Note Estimated concentrations of chemicals with Koc values greater than 9995 ml g-1 are beyond the scope of the regression data used in SCI-GROW development. If there are concerns for such chemicals, a higher tier groundwater exposure assessment should be considered, regardless of the concentration returned by SCI-GROW
Potential for particle bound transport index Click here for a note on the limitations of the potential for particle bound transport index - Calculated Medium
Maximum UV-vis absorption L mol-1 cm-1 - - -
Surface tension (mN m-1) - - -

Degradation:
Property Click here for information on the parameters used to describe substance degradation Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with degradation data Interpretation Click here for information on the way in which we interpret substance degradation data
General biodegradability -
Soil degradation (days) (aerobic) DT50 (typical) 30 G4 Moderately persistent
DT50 (lab at 20oC) - - -
DT50 (field) - - -
DT90 (lab at 20oC) - - -
DT90 (field) - - -
DT50 modelling endpoint - - -
Note Best available data
Dissipation rate RL50 on plant matrix Value - - -
Note -
Dissipation rate RL50 on and in plant matrix Value - - -
Note -
Aqueous photolysis DT50 (days) at pH 7 Value - - -
Note -
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value 485 F2 Very persistent
Note -
Water-sediment DT50 (days) - - -
Water phase only DT50 (days) - - -

Soil adsorption and mobility:
Property Click here for information on the parameters used to describe substance adsorption and mobility Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with adsorption and mobility data Interpretation Click here for information on the way in which we interpret substance adsorption and mobility
Linear Kd - G3 Non-mobile
Koc 100000
Notes and range -
Freundlich Kf - - -
Kfoc -
1/n -
Notes and range -
pH sensitivity -

Key metabolites:
Metabolite Formation medium Estimated maximum occurrence fraction 1107/2009 relevancy Click here for further information on 1107/2009 relevancy
chrysanthemic acid Soil   -   -
benzaldehyde Soil   -   -
benzyl alcohol Soil   -   -


ECOTOXICOLOGY

for resmethrin

Property Click here for information on the parameters used to describe substance ecotoxicology Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with ecotoxicology data Interpretation Click here for information on the way in which we interpret substance ecotoxicology
Bio-concentration factor BCF (l kg-1) 68 Q3 Low potential
CT50 (days) Not available -
Mammals - Acute oral LD50 (mg kg-1) > 2500 G4 Rat Low
Mammals - Short term dietary NOEL (mg kg-1) - L3 Rat -
(ppm diet) 3000 -
Birds - Acute LD50 (mg kg-1) 2000 G4 Phasianidae Moderate
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) 0.017 L3 Lepomis macrochirus High
Fish - Chronic 21 day NOEC (mg l-1) - - -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) 0.0037 L3 Daphnia magna High
Aquatic invertebrates - Chronic 21 day NOEC (mg l-1) - - -
Aquatic crustaceans - Acute 96 hour LC50 (mg l-1) - - -
Sediment dwelling organisms - Acute 96 hour LC50 (mg l-1) - - -
Sediment dwelling organisms - Chronic 28 day NOEC, static, water (mg l-1) - - -
Sediment dwelling organisms - Chronic 28 day NOEC, sediment (mg kg-1) - - -
Aquatic plants - Acute 7 day EC50, biomass (mg l-1) - - -
Non-target plants - - -
- - -
Algae - Acute 72 hour EC50, growth (mg l-1) 1.6 K3 Unknown species Moderate
Algae - Chronic 96 hour NOEC, growth (mg l-1) - - -
Honeybees Contact acute 48 hour LD50 (μg bee-1) 0.063 G4 High
Oral acute 48 hour LD50 (μg bee-1) - - -
Unknown mode acute 48 hour LD50 (μg bee-1) - - -
Earthworms - Acute 14 day LC50 (mg kg-1) - - -
Earthworms - Chronic 14 day NOEC, reproduction (mg kg-1) - - -
Other soil macro-organisms - e.g. Collembola LR50 / EC50 / NOEC / % Effect - - -
Other arthropod (1) LR50 g ha-1 - - -
% Effect - - -
Other arthropod (2) LR50 g ha-1 - - -
% Effect - - -
Soil micro-organisms - - -
Mesocosm study data NOEAEC mg l-1 - - -
NOEAEC mg l-1 - - -


HUMAN HEALTH AND PROTECTION

for resmethrin

General:
Property Click here for information on the parameters used to describe human health and protection issues Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with human health and protection data Interpretation Click here for information on the way in which we interpret human health and protection data
Threshold of Toxicological Concern (Cramer Class) Click here for a note on the limitations of the Cramer class High (class III) - -
Mammals - Acute oral LD50 (mg kg-1) > 2500 G4 Rat Low
Mammals - Dermal LD50 (mg kg-1 body weight) > 3000 L3 Rat -
Mammals - Inhalation LC50 (mg l-1) 9.49 L3 Rat -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) 0.125 L3 -
ARfD - Acute Reference Dose (mg kg-1bw day-1) 0.03 A5 -
AAOEL - Acute Acceptable Operator Exposure Level (mg kg-1 bw day-1) - - -
AOEL - Acceptable Operator Exposure Level - Systemic (mg kg-1bw day-1) - - -
Dermal penetration studies (%) - - -
Dangerous Substances Directive 76/464 - - -
Exposure Limits - - -
Exposure Routes Public -
Occupational -
European MRLs Click here for the EU MRL pesticide database
Drinking Water Standards - - -
Drinking Water MAC (μg l-1) - - -

Health issues:
Carcinogen Mutagen Endocrine disrupter Reproduction / development effects Cholinesterase inhibitor Neurotoxicant

-

Respiratory tract irritant Skin irritant Skin sensitiser Eye irritant Phototoxicant

-

-

General human health issues Potential thyroid toxicant
USEPA - probable human carcinogen
Endocrine issues - Binding to sex hormone

: Yes, known to cause a problem
: No, known not to cause a problem
: Possibly, status not identified
- : No data found

Handling issues:
Property Click here for information on the parameters used to describe substance handling issues Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with data on handling issues Interpretation Click here for information on the way in which we interpret data on handling issues
General Click here for a description of the International Maritime Dangerous Goods (IMDG) codes Prevent generation of dust
IMDG Transport Code is usually 9
CLP classification 2013 Health: H302
Environment: H400, H410
EC Risk Classification Click here to view information omn the EU risk phrases Xn - Harmful: R22
N - Dangerous for the environment: R50, R53
EC Safety Classification Click here to view information omn the EU safety phrases S2, S60, S61
WHO Classification III - Slightly hazardous
US EPA Classification (formulation) III - Caution - Slightly toxic
UN Number Usually 3082
Waste disposal & packaging Click here for a description of UN packaging marks Packaging Group III (minor danger)


TRANSLATIONS

for resmethrin

Language Name
English resmethrin
French resméthrine
German Resmethrin
Danish resmethrin
Italian resmetrin
Spanish resmetrin
Greek resmethrin
Slovenian resmetrin
Polish resmetryna
Swedish -
Hungarian -
Dutch resmetrine

Record last updated: Friday 25 May 2018
Contact: aeru@herts.ac.uk