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dimefluthrin
** 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 dimefluthrin

Description: A pyrethroid insecticide that has strong activity against mosquitoes and other insect pests

Example pests controlled: Mosquitoes; Flies; Cockroaches; Whitefiles

Example applications: Amenity and domestic buildings

Efficacy & activity: -

Availability status: Current

Introduction & key dates: 2003

EC Regulation 1107/2009 (repealing 91/414):
Status Not approved
Dossier rapporteur/co-rapporteur Not applicable
Date inclusion expires Not applicable
EU Candidate for substitution (CfS) Not applicable
Listed in EU database No

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: China

Chemical structure: Click here for further information on the general chemical status information used on this site
Isomerism Isomeric mixture of the R- and S-forms of dimefluthrin
Chemical formula C19H22F4O3
Canonical SMILES CC(=CC1C(C1(C)C)C(=O)OCC2=C(C(=C(C(=C2F)F)COC)F)F)C
Isomeric SMILES No data
International Chemical Identifier key (InChIKey) OOWCJRMYMAMSOH-UHFFFAOYSA-N
International Chemical Identifier (InChI) InChI=1S/C19H22F4O3/c1-9(2)6-12-13(19(12,3)4)18(24)26-8-11-16(22)14(20)10(7-25-5)15(21)17(11)23/h6,12-13H,7-8H2,1-5H3
2D 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 >=95%
Known relevant impurities -
Substance origin Synthetic
Mode of action Broad spectrum acting by contact and inhalation. Fast knockdown.
CAS RN 271241-14-6
EC number -
CIPAC number -
US EPA chemical code -
PubChem CID 213011
Molecular mass (g mol-1) 374.38
PIN (Preferred Identification Name) (2,3,5,6-tetrafluoro-4-(methoxymethyl)phenyl)methyl (1E,3E)-2,2-dimethyl-3-(2-methylprop-1-en-1-yl)cyclopropane-1-carboxylate
IUPAC name 2,3,5,6-tetrafluoro-4-(methoxymethyl)benzyl (1RS)-cis,trans-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate
CAS name (2,3,5,6-tetrafluoro-4-(methoxymethyl)phenyl)methyl 2,2-dimethyl-3-(2-methyl-1-propen-1-yl)cyclopropanecarboxylate
Other status information Marine pollutant
Relevant Environmental Water Quality Standards -
Herbicide Resistance Classification (HRAC) Not applicable
Herbicide Resistance Classification (WSSA) Not applicable
Insecticide Resistance Classification (IRAC) Not known
Fungicide Resistance Classification (FRAC) Not applicable
Examples of recorded resistance -
Physical state Pale yellow liquid with slight characteristic odour
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
  • Sumitomo Chemicals
Example products using this active
  • Black mosquito coil
  • Pi Wen Ling
UK LERAP status No UK approval for use as a pesticide under EC Regulation 1107/2009
Formulation and application details Used within emanators, including pesticide mats and coils, for consumer products.


ENVIRONMENTAL FATE

for dimefluthrin

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) 2,.0 E3 Low
Solubility - In organic solvents at 20oC (mg l-1) Miscible E3 - Acetone -
Miscible E3 - Ethanol -
Miscible E3 - n-Hexane -
Melting point (oC) - - -
Boiling point (oC) 134 E3 -
Degradation point (oC) - - -
Flashpoint (oC) 197 E3 - (open cup) -
Octanol-water partition coefficient at pH 7, 20oC P 2.51 X 1005 Calculated -
Log P 5.4 E3 High
Bulk density (g ml-1)/Specific gravity 1.18 E3 -
Dissociation constant (pKa) at 25oC - - -
Note:
Vapour pressure at 20oC (mPa) 0.91 E3 Low volatility
Henry's law constant at 25oC (Pa m3 mol-1) - - -
GUS leaching potential index Click here for a note on the limitations of the GUS index - - -
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 - - -
Note -
Potential for particle bound transport index Click here for a note on the limitations of the potential for particle bound transport index - - -
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) - - -
DT50 (lab at 20oC) - - -
DT50 (field) - - -
DT90 (lab at 20oC) - - -
DT90 (field) - - -
DT50 modelling endpoint - - -
Note: -
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 - - -
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 - - -
Koc -
Notes and range -
Freundlich Kf - - -
Kfoc -
1/n -
Notes and range -
pH sensitivity -


ECOTOXICOLOGY

for dimefluthrin

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) - - -
CT50 (days) - -
Mammals - Acute oral LD50 (mg kg-1) 2270 E3 Rat Low
Mammals - Short term dietary NOEL (mg kg-1) - - -
(ppm diet) - -
Birds - Acute LD50 (mg kg-1) - - -
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) 0.004 E3 Oryzias latipes High
Fish - Chronic 21 day NOEC (mg l-1) - - -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) 0.0017 E3 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) - - -
Algae - Chronic 96 hour NOEC, growth (mg l-1) - - -
Honeybees (Apis spp.) Contact acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
Oral acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
Unknown mode acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
Bumblebees (Bombus spp.) Contact acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
-
Oral acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
-
Mason bees (Osmia spp.) Contact acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
Oral acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
Other pollinators (1) Acute LD50 (worst case from 24 , 48 and 72 hour values - μg insect-1) - - -
Mode of exposure -
Other pollinators (2) Acute LD50 (worst case from 24 , 48 and 72 hour values - μg insect-1) - - -
Mode of exposure -
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 dimefluthrin

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) 2270 E3 Rat Low
Mammals - Dermal LD50 (mg kg-1 body weight) > 2000 E3 Rat -
Mammals - Inhalation LC50 (mg l-1) 1.06 E3 Rat, 2 hr -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) - - -
ARfD - Acute Reference Dose (mg kg-1bw day-1) - - -
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 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 Genotoxic Endocrine disrupter Reproduction / development effects Cholinesterase inhibitor Neurotoxicant

A0; B0; C0; D0; E3

-

-

Respiratory tract irritant Skin irritant Skin sensitiser Eye irritant Phototoxicant

-

General human health issues Exposure may cause headache, dizziness, nausea, fluid in lungs, running nose and convulsions
Possible liver toxicant
Toxic if inhaled
Key: Genotoxicity
A: Chromosome aberration (EFSA database)
B: DNA damage/repair (EFSA database)
C: Gene mutation (EFSA database)
D: Genome mutation (EFSA database)
E: Unspecified genotoxicity type (miscellaneous data source)
0: No data
1: Positive
2: Mixed/ambiguous results
3: Negative
Key: Other
: 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 IMDG transport class 6.1
Combustible
Incompatible with strong oxidising agents, acids and bases
Will emit toxic biproducts if heated to decomposition
CLP classification 2013 -
EC Risk Classification Click here to view information omn the EU risk phrases -
EC Safety Classification Click here to view information omn the EU safety phrases -
WHO Classification [Health: H331, H303, H313, H370, H373], [Environment: H400, H410] - -
UN Number 3352
Waste disposal & packaging Click here for a description of UN packaging marks Packaging Group III (minor danger)


TRANSLATIONS

for dimefluthrin

Language Name
English dimefluthrin
French dimefluthrin
German -
Danish -
Italian -
Spanish -
Greek -
Slovenian -
Polish -
Swedish -
Hungarian -
Dutch -

Record last updated: Friday 01 June 2018
Contact: aeru@herts.ac.uk