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hydramethylnon (Ref: BAS 315l)
** AC 217300 ** CL 217300 ** 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 hydramethylnon

Description: An insecticide used in baits to control ants and cockroaches in both indoor and outdoor applications

Example pests controlled: Ants, Cockroaches, Crickets, Termites, Silverfish

Example applications: Non-cropped areas

Availability status: Current

Introduction & key dates: circa 1980

EC Regulation 1107/2009 (repealing 91/414):
Status Not approved
Dossier rapporteur/co-rapporteur -
Date inclusion expires Expired

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: Australia, USA

General status: Click here for further information on the general chemical status information used on this site
Pesticide type Insecticide
Substance group Unclassified
Minimum active substance purity 98%
Known relevant impurities -
Substance origin Synthetic
Mode of action Non-systemic, selective with stomach action. Mitochondrial complex III electron transport inhibitor.
CAS RN 67485-29-4
EC number 405-090-9
CIPAC number 8177
US EPA chemical code 118401
Chiral molecule No
Chemical formula C25H24F6N4
SMILES FC(F)(F)c1ccc(cc1)\C=C\C(=N/N/C2=N/CC(C)(C)CN2)/C=C/c3ccc(cc3)C(F)(F)F
International Chemical Identifier key (InChIKey) IQVNEKKDSLOHHK-UHFFFAOYSA-N
International Chemical Identifier (InChI) InChI=1S/C25H24F6N4/c1-23(2)15-32-22(33-16-23)35-34-21(13-7-17-3-9-19(10-4-17)24(26,27)28)14-8-18-5-11-20(12-6-18)25(29,30)31/h3-14H,15-16H2,1-2H3,(H2,32,33,35)/b13-7+,14-8+
Structure diagram/image available? Yes
Molecular mass (g mol-1) 494.48
PIN (Preferred Identification Name) -
IUPAC name 5,5-dimethylperhydropyrimidin-2-one 4-trifluoromethyl-α-(4-trifluoromethylstyryl)cinnamylidenehydrazone
CAS name tetrahydro-5,5-dimethyl-2(1H)-pyrimidinone [3-[4-(trifluoromethyl)phenyl]-1-[2-[4-(trifluoromethyl)phenyl]ethenyl]-2-propenylidene]hydrazone
Other status information OSPAR soc; PAN Bad actor pesticide
Herbicide Resistance Classification (HRAC) Not applicable
Herbicide Resistance Classification (WSSA) Not applicable
Insecticide Resistance Classification (IRAC) 20A
Fungicide Resistance Classification (FRAC) Not applicable
Examples of recorded resistance Blattella germanica
Physical state Dark yellow crystalline 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
  • BASF
  • Pacific Agriscience Pte. Ltd.
Example products using this active
  • Maxforce
  • Amdro
  • Siege
UK LERAP status No UK approval for use or outside scope
Formulation and application details Usually supplied in a ready to use oily bait formulation.


ENVIRONMENTAL FATE

for hydramethylnon

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) 0.006 G4 Low
Solubility - In organic solvents at 20oC (mg l-1) 360000 L3 - Acetone -
72000 L3 - Ethanol -
230000 L3 - Methanol -
94000 L3 - Xylene -
Melting point (oC) 190 E3 -
Boiling point (oC) - - -
Degradation point (oC) - - -
Flashpoint (oC) - - -
Octanol-water partition coefficient at pH 7, 20oC P 2.04 X 1002 Calculated -
Log P 2.31 G4 Low
Bulk density (g ml-1)/Specific gravity 1.67 B5 -
Dissociation constant (pKa) at 25oC - - -
Note:
Vapour pressure at 25oC (mPa) 2.70 X 10-03 B5 Volatile
Henry's law constant at 25oC (Pa m3 mol-1) 7.81 X 10-01 E3 Moderately volatile
Henry's law constant at 20oC (dimensionless) 9.14 X 10-05 Calculated Volatile
GUS leaching potential index Click here for a note on the limitations of the GUS index -1.86 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
Soil degradation (days) (aerobic) DT50 (typical) 10 DW3 Non-persistent
DT50 (lab at 20oC) 10 G3 Non-persistent
DT50 (field) 7 G3 Non-persistent
DT90 (lab at 20oC) - - -
DT90 (field) - - -
Note Other sources: DT50 7-10 days (G3, L3), 10 days (DW4), 45 days (B3)
Plant matrix DT50 (days) Value - - -
Note -
Aqueous photolysis DT50 (days) at pH 7 Value 7 B5 Moderately fast
Note -
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value 10 B5 Non-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 730000
Notes and range Other sources: Koc range 3300 - 8677 mL/g (CA3)
Freundlich Kf - - -
Kfoc -
1/n -
Notes and range -
pH sensitivity -

Other known metabolites:
Metabolite name and reference Aliases Formation medium / Rate Estimated maximum occurrence fraction Metabolising enzymes
1,5-bis(alpha, alpha, alpha-tri-fluoro-p-tolyl)-1,4-pentadiene-3-one - Water (Photolysis) - -
4H-pyrimido[2-1,C] as-triazio-4-one-1,6,7,8-tetrahydro-7,7-dimethyl-3-[p-(trifluoro-methyl)-styryl - Water (Photolysis) - -


ECOTOXICOLOGY

for hydramethylnon

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) 34900 F4 Whole fish High potential
CT50 (days) Not available -
Mammals - Acute oral LD50 (mg kg-1) > 1130 B5 Rat Moderate
Mammals - Short term dietary NOEL (mg kg-1) - L3 Rat -
(ppm diet) 50 -
Birds - Acute LD50 (mg kg-1) 1828 B5 Colinus virginianus Moderate
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) 0.16 B5 Oncorhynchus mykiss Moderate
Fish - Chronic 21 day NOEC (mg l-1) - - -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) 1.14 B5 Daphnia magna Moderate
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) 0.14 F4 Chironomus plumosus Moderate
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) 0.018 F3 Pseudokirchneriella subcapitata Moderate
Algae - Chronic 96 hour NOEC, growth (mg l-1) - - -
Honeybees Contact acute 48 hour LD50 (μg bee-1) > 30 L3 Moderate
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 hydramethylnon

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) > 1130 B5 Rat Moderate
Mammals - Dermal LD50 (mg kg-1 body weight) > 5000 L3 Rabbit -
Mammals - Inhalation LC50 (mg l-1) > 5.0 L3 Rat -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) - - -
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 List II - -
Exposure Limits - - -
Exposure Routes Public -
Occupational Occupational exposure may occur through inhalation and dermal contact
European MRLs Click here for the EU MRL pesticide database
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 USEPA - possible human carcinogen

: 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 No information available
CLP classification 2013 -
EC Risk Classification Click here to view information omn the EU risk phrases T - Toxic: R48/25
Xn - Harmful: R22
Xi - Irritant: R36
N - Dangerous for the environment: R50, R53
EC Safety Classification Click here to view information omn the EU safety phrases S2, S22, S26, S36/37, S45, S60, S61
WHO Classification II - Moderately hazardous
US EPA Classification (formulation) III - Caution - Slightly toxic
UN Number -
Waste disposal & packaging Click here for a description of UN packaging marks -


TRANSLATIONS

for hydramethylnon

Language Name
English hydramethylnon
French hydramethylnon
German Hydramethylnon
Danish hydramethylnon
Italian idrametilnon
Spanish hidrametilnona
Greek -
Slovenian hidrametilnon
Polish hydrametylnon
Swedish hydrametylnon
Hungarian -
Dutch -

Record last updated: Monday 17 October 2016
Contact: aeru@herts.ac.uk