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metolcarb
** MTMC ** metholcarb ** dicresyl ** DRC 3341 ** 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 metolcarb

Description: An obsolete insecticide once used for the control of insects in rice crops

Example pests controlled: Rice leafhoppers; Planthoppers; Codling moth and other insects

Example applications: Rice

Efficacy & activity: -

Availability status: Obsolete

Introduction & key dates: -

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 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

Chemical structure: Click here for further information on the general chemical status information used on this site
Isomerism -
Chemical formula C9H11NO2
Canonical SMILES CC1=CC(=CC=C1)OC(=O)NC
Isomeric SMILES No data
International Chemical Identifier key (InChIKey) VOEYXMAFNDNNED-UHFFFAOYSA-N
International Chemical Identifier (InChI) InChI=1S/C9H11NO2/c1-7-4-3-5-8(6-7)12-9(11)10-2/h3-6H,1-2H3,(H,10,11)
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, Acaricide
Substance group Carbamate
Minimum active substance purity -
Known relevant impurities -
Substance origin Synthetic
Mode of action Cholinesterase inhibitor
CAS RN 1129-41-5
EC number 214-446-0
CIPAC number -
US EPA chemical code -
PubChem CID 14322
Molecular mass (g mol-1) 165.21
PIN (Preferred Identification Name) 3-methylphenyl methylcarbamate
IUPAC name m-tolyl methylcarbamate
CAS name 3-methylphenyl methylcarbamate
Other status information PAN Bad Chemical Actor
Relevant Environmental Water Quality Standards -
Herbicide Resistance Classification (HRAC) Not applicable
Herbicide Resistance Classification (WSSA) Not applicable
Insecticide Resistance Classification (IRAC) 1A
Fungicide Resistance Classification (FRAC) Not applicable
Examples of recorded resistance Laodelphax striatellus
Nephotettix cincticeps
Nilaparvata lugens
Physical state Colourless 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
  • Sumitomo
  • Nihon Nohyaku
Example products using this active
  • Metacrate
  • Tsumacide
UK LERAP status No UK approval for use as a pesticide under EC Regulation 1107/2009
Formulation and application details Nolonger available.


ENVIRONMENTAL FATE

for metolcarb

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) 2600 V3 High
Solubility - In organic solvents at 20oC (mg l-1) 790000 Q3 - Cyclohexanone -
100000 Q3 - Xylene -
880000 Q3 - Methanol -
Melting point (oC) 77.7 Q3 -
Boiling point (oC) 242 V3 -
Degradation point (oC) - - -
Flashpoint (oC) Not expected to self ignite; Not highly flammable Q3 -
Octanol-water partition coefficient at pH 7, 20oC P 5.01 X 1001 Calculated -
Log P 1.7 V3 Low
Bulk density (g ml-1)/Specific gravity - - -
Dissociation constant (pKa) at 25oC - - -
Note:
Vapour pressure at 20oC (mPa) 145 L3 Highly volatile
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 - L3 Mobile
Koc 60
Notes and range -
Freundlich Kf - - -
Kfoc -
1/n -
Notes and range -
pH sensitivity -


ECOTOXICOLOGY

for metolcarb

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) Low risk Q3 Based on LogP < 3 Low potential
CT50 (days) - -
Mammals - Acute oral LD50 (mg kg-1) > 268 V3 Rat Moderate
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) > 12.00 F4 Cyprinus carpio Moderate
Fish - Chronic 21 day NOEC (mg l-1) - - -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) - - -
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 Contact acute 48 hour LD50 (μg bee-1) - - -
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) > 7.17 R4 Eisenia foetida High
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 metolcarb

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 Low (class I) - -
Mammals - Acute oral LD50 (mg kg-1) > 268 V3 Rat Moderate
Mammals - Dermal LD50 (mg kg-1 body weight) > 6000 V3 Rabbit -
Mammals - Inhalation LC50 (mg l-1) - - -
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 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 Ingestion may lead to a cholinergic crisis
May cause pulmonary edema

: 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 Emits toxic fumes of nitrogen oxides when heated to decomposition
IMDG Transport Code is usually 6.1
CLP classification 2013 Health: H302
Environment: H411
EC Risk Classification Click here to view information omn the EU risk phrases Not classified: Obsolete
EC Safety Classification Click here to view information omn the EU safety phrases Not classified: Obsolete
WHO Classification NL - Not listed
US EPA Classification (formulation) II - Warning - Moderately toxic
UN Number -
Waste disposal & packaging Click here for a description of UN packaging marks -


TRANSLATIONS

for metolcarb

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

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