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cumyluron (Ref: JC-940)
** 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 cumyluron

Description: A urea herbicide mainly used for the control of creeping grasses

Example pests controlled: Annual blue grass

Example applications: Rice; Turf; Sports greens

Efficacy & activity: -

Availability status: Unknown

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 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

Chemical structure: Click here for further information on the general chemical status information used on this site
Isomerism -
Chemical formula C17H19ClN2O
Canonical SMILES CC(C)(C1=CC=CC=C1)NC(=O)NCC2=CC=CC=C2Cl
Isomeric SMILES No data
International Chemical Identifier key (InChIKey) VYNOULHXXDFBLU-UHFFFAOYSA-N
International Chemical Identifier (InChI) InChI=1S/C17H19ClN2O/c1-17(2,14-9-4-3-5-10-14)20-16(21)19-12-13-8-6-7-11-15(13)18/h3-11H,12H2,1-2H3,(H2,19,20,21)
Structure diagram/image available? Yes

General status: Click here for further information on the general chemical status information used on this site
Pesticide type Herbicide
Substance group Urea
Minimum active substance purity -
Known relevant impurities -
Substance origin Synthetic
Mode of action Mode of action is unknown
CAS RN 99485-76-4
EC number -
CIPAC number -
US EPA chemical code 027902
PubChem CID 11709249
Molecular mass (g mol-1) 302.80
PIN (Preferred Identification Name) N-[(2-chlorophenyl)methyl]-N'-(2-phenylpropan-2-yl)urea
IUPAC name 1-(2-chlorobenzyl)-3-(1-methyl-1-phenylethyl)urea
CAS name N-[(2-chlorophenyl)methyl]-N'-(1-methyl-1-phenylethyl)urea
Other status information -
Relevant Environmental Water Quality Standards -
Herbicide Resistance Classification (HRAC) Z
Herbicide Resistance Classification (WSSA) -
Insecticide Resistance Classification (IRAC) Not applicable
Fungicide Resistance Classification (FRAC) Not applicable
Examples of recorded resistance -
Physical state White 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
  • Marubeni Corp.
  • Kyoyu Agri Co. Ltd.
  • Helena Chemicals
  • Kanto Chemical Co
Example products using this active
  • Gamyla
UK LERAP status No UK approval for use as a pesticide under EC Regulation 1107/2009
Formulation and application details Usually supplied as granules or as a suspension concentrate.


ENVIRONMENTAL FATE

for cumyluron

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) 1.0 E3 Low
Solubility - In organic solvents at 20oC (mg l-1) 14500 E3 - Acetone -
1400 E3 - Benzene -
800 E3 - Hexane -
21500 E3 - Methanol -
Melting point (oC) 166 E3 -
Boiling point (oC) - - -
Degradation point (oC) - - -
Flashpoint (oC) 258 Q3 -
Octanol-water partition coefficient at pH 7, 20oC P - - -
Log P - - -
Bulk density (g ml-1)/Specific gravity 1.16 Q3 -
Dissociation constant (pKa) at 25oC - - -
Note:
Vapour pressure at 20oC (mPa) 1.33 X 10-04 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 cumyluron

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) 961 E3 Rat Moderate
Mammals - Short term dietary NOEL (mg kg-1) - - -
(ppm diet) - -
Birds - Acute LD50 (mg kg-1) > 5620 E3 Colinus virginianus Low
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) 50 E3 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) - - -
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 cumyluron

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) 961 E3 Rat Moderate
Mammals - Dermal LD50 (mg kg-1 body weight) > 2000 E3 Rat -
Mammals - Inhalation LC50 (mg l-1) 6.21 E3 Rat -
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 May cause metabolic disturbances, moderate emphysema and weight loss
USEPA - some ecidence to suggest 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 -
EC Safety Classification Click here to view information omn the EU safety phrases -
WHO Classification NL - Not listed
US EPA Classification (formulation) - -
UN Number -
Waste disposal & packaging Click here for a description of UN packaging marks -


TRANSLATIONS

for cumyluron

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

Record last updated: Saturday 26 May 2018
Contact: aeru@herts.ac.uk