beta-cypermethrin (Ref: OMS 3068)
** beta-cipermetrin ** cypermethrinbeta ** Translations

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Further data may be found in the VSDB

GENERAL INFORMATION

Description: A broad spectrum insecticide used to control common pests in public health and veterinary situations.

Introduction: 1989

EC Directive 1107/2009 (repealing 91/414):
Status Excluded from Annex 1
Dossier rapporteur/co-rapporteur Belgium
Date inclusion expires Expired

Approved for use () or known to be used () in the following European countries:

AT

BE

BG

CY

CZ

DE

DK

EE

EL

ES

FI

FR

HU

IE

IT

LT

LU

LV

MT

NL

PL

PT

RO

SE

SI

SK

UK

Also registered in: Australia

General status:
Pesticide type Insecticide, Veterinary treatment
Substance group Pyrethroid
Substance origin Synthetic
Mode of action Non-systemic with contact and stomach action. Sodium channel modulator.
CAS RN 65731-84-2
EC number 276-457-7
CIPAC number 632
US EPA chemical code 109702
Chemical formula C22H19Cl2NO3
SMILES Cl/C(Cl)=C/[C@H]3[C@@H](C(=O)O[C@H](C#N)c2cccc(Oc1ccccc1)c2)C3(C)C
International Chemical Identifier (InChI) InChI=1/C22H19Cl2NO3/c1-22(2)17(12-19(23)24)20(22)21(26)28-18(13-25)14-7-6-10-16(11-14)27-15-8-4-3-5-9-15/h3-12,17-18,20H,1-2H3/t17-,18+,20-/m0/s1
Structure diagram/image available? Yes
Molecular mass (g mol-1) 416.3
IUPAC Name (R)-α-cyano-3-phenoxybenzyl (1S,3S)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate and (S)-α-cyano-3-phenoxybenzyl (1R,3R)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate
CAS Name cyano(3-phenoxyphenyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate
Other status information -
Herbicide Resistance Classification (HRAC) Not applicable
Insecticide Resistance Classification (IRAC) 3
Fungicide Resistance Classification (FRAC) Not applicable
Physical state White to pale yellow crustals
Related substances & organisms -

Formulations:
Property Value
Example manufacturers of products using this active
  • Bonide Products
  • Syngenta
  • NuFarm
Example products using this active
  • Cymbush 3E Insecticide
  • Siperin
  • Barricade
UK LERAP status No UK approval for use or outside scope
Formulation and application details -


ENVIRONMENTAL FATE

Property Value Source/Quality Score/Other Information Interpretation
Solubility - In water at 20oC (mg l-1) 0.051 L3 Low
Solubility - In organic solvents at 20oC (mg l-1) 3498000 L3 - Xylene -
115000 L3 - Isopropanol -
1427000 L3 - Ethyl acetate -
2102000 L3 - Acetone -
Melting Point (oC) 66.2 L3 -
Boiling Point (oC) 286 L3 -
Degradation point (oC) - - -
Flashpoint (oC) - - -
Octanol-water partition coefficient at pH 7, 20oC P 5.01 X 1004 Calculated -
Log P 4.7 L3 High
Bulk density (g ml-1)/Specific gravity 1.34 L3 -
Dissociation constant (pKa) at 25oC - - -
Note:
Vapour pressure at 25oC (mPa) 1.80 X 10-04 L3 Non-volatile
Henry's law constant at 25oC (Pa m3 mol-1) - - -
Henry's law constant at 20oC (dimensionless) 6.03 X 10-07 Calculated Moderately volatile
GUS leaching potential index - - -
SCI-GROW groundwater index (µg l-1) for a 1 kg ha-1 or 1 l ha-1 application rate Value - - -
Note -
Potential for particle bound transport index - - -
Maximum UV-vis absorption L mol-1 cm-1 - - -
Surface tension (mN m-1) - - -

Degradation:
Property Value Source/Quality Score/Other Information Interpretation
Soil degradation (days) (aerobic) DT50 (typical) 10 L3 Non-persistent
DT50 (lab at 20oC) - - -
DT50 (field) - - -
DT90 (lab at 20oC) - - -
DT90 (field) - - -
Note Best available data
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 Value Source/Quality Score/Other Information Interpretation
Linear Kd - - -
Koc -
Notes and range -
Freundlich Kf - - -
Kfoc -
1/n -
Notes and range -
pH sensitivity -


ECOTOXICOLOGY

Property Value Source/Quality Score/Other Information Interpretation
Bio-concentration factor BCF - - -
CT50 (days) - -
Bioaccumulation potential - - -
Mammals - Acute oral LD50 (mg kg-1) 166 L3 Rat Moderate
Mammals - Short term dietary NOEL (mg kg-1) - L3 Rat -
(ppm diet) 250 -
Birds - Acute LD50 (mg kg-1) 5000 L2 Phasianidae Low
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) 0.0214 R4 Cyprinidae High
Fish - Chronic 21 day NOEC (mg l-1) - - -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) 0.00026 L2 Daphnia magna, (product) 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) - - -
Algae - Acute 72 hour EC50, growth (mg l-1) 56.2 L3 Raphidocelis subcapitata Low
Algae - Chronic 96 hour NOEC, growth (mg l-1) - - -
Honeybees - Acute 48 hour LD50 (µg bee-1) 0.0018 L3 Oral High
Earthworms - Acute 14 day LC50 (mg kg-1) - - -
Earthworms - Chronic 14 day NOEC, reproduction (mg kg-1) - - -
Other soil macro-organisms - e.g. Collembola LR50product ha
EC50product ha
NOECproduct ha
% 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

General:
Property Value Source/Quality Score/Other Information Interpretation
Mammals - Acute oral LD50 (mg kg-1) 166 L3 Rat Moderate
Mammals - Dermal LD50 (mg kg-1 body weight) > 5000 L3 Rat -
Mammals - Inhalation LC50 (mg l-1) 1.97 L3 Rat -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) 0.02 L3 -
ARfD - Acute Reference Dose (mg kg-1bw 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 -
Examples of European MRLs (mg kg-1) Value -
Note For the EU pesticides database click here
Drinking Water MAC (µg l-1) - - -

Health issues:
Carcinogen Mutagen Endocrine disrupter Reproduction / development effects Acetyl cholinesterase inhibitor Neurotoxicant Respiratory tract irritant Skin irritant Eye irritant

-

-

General human health issues [No further information available]

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

Handling issues:
Property Value Source/Quality Score/Other Information Interpretation
General [No information available]
EC Risk Classification [T+ - Very toxic: R26/28], [N - Dangerous for the environment: R50, R53]
EC Safety Classification -
WHO Classification NL - Not listed
US EPA Classification (formulation) - - -
UN Number -
Waste disposal & packaging -


TRANSLATIONS

Language Name
English beta-cypermethrin
French betacypermethrine
German beta-Cypermethrin
Danish betacypermethrin
Italian beta-cipermetrina
Spanish beta-cipermetrina
Greek -
Slovenian beta-cipermetrin
Polish beta-cypermetryna
Swedish -
Hungarian beta-cypermethrin
Dutch -
Record last updated: Friday 18 February 2011
Contact: aeru@herts.ac.uk