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GET ADDITIONAL DATA HERE!

tribenuron (Ref: IN-R9803)
** thiameturon ** metameturon ** 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 tribenuron

Description: A foliar acting, post-emergence herbicide used to control broad-leaved weeds in cereals and other crops, normally used as the methyl variant

Example pests controlled: Charlock; Chickweed; Red deadnettle; Fat hen; Forget-me-not; Hemp nettle; Mayweed; Common poppy; Redshank; Shepherd's purse

Example applications: Cereals including wheat, barley, triticale, oats; Grass seed crops; Cotton; Pre-harvest burndown

Efficacy & activity: -

Availability status: Current

Introduction & key dates: -

EC Regulation 1107/2009 (repealing 91/414):
Status Approved
Dossier rapporteur/co-rapporteur Sweden/Latvia
Date inclusion expires 31/10/2034
EU Candidate for substitution (CfS) No
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 C14H15N5O6S
Canonical SMILES CC1=NC(=NC(=N1)OC)N(C)C(=O)NS(=O)(=O)C2=CC=CC=C2C(=O)O
Isomeric SMILES No data
International Chemical Identifier key (InChIKey) BQZXUHDXIARLEO-UHFFFAOYSA-N
International Chemical Identifier (InChI) InChI=1S/C14H15N5O6S/c1-8-15-12(17-13(16-8)25-3)19(2)14(22)18-26(23,24)10-7-5-4-6-9(10)11(20)21/h4-7H,1-3H3,(H,18,22)(H,20,21)
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 Herbicide
Substance group Sulfonylurea
Minimum active substance purity -
Known relevant impurities -
Substance origin Synthetic
Mode of action Selective, absorbed through foliage.Inhibits plant amino acid synthesis - acetohydroxyacid synthase AHAS
CAS RN 106040-48-6
EC number -
CIPAC number 546
US EPA chemical code -
PubChem CID 91772
Molecular mass (g mol-1) 381.37
PIN (Preferred Identification Name) 2-{[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)methylcarbamoyl]sulfamoyl}benzoic acid
IUPAC name 2-[4-methoxy-6-methyl-1,3,5-triazin-2-yl(methyl)carbamoylsulfamoyl]benzoic acid
CAS name 2-[[[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)methylamino]carbonyl]amino]sulfonyl]benzoic acid
Other status information -
Relevant Environmental Water Quality Standards -
Herbicide Resistance Classification (HRAC) B
Herbicide Resistance Classification (WSSA) 2
Insecticide Resistance Classification (IRAC) Not applicable
Fungicide Resistance Classification (FRAC) Not applicable
Examples of recorded resistance -
Physical state -
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 -
Example products using this active -
UK LERAP status None
Formulation and application details Normally formulated using the methyl variant.


ENVIRONMENTAL FATE

for tribenuron

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) - - -
Solubility - In organic solvents at 20oC (mg l-1) - - -
Melting point (oC) - - -
Boiling point (oC) - - -
Degradation point (oC) - - -
Flashpoint (oC) - - -
Octanol-water partition coefficient at pH 7, 20oC P - - -
Log P - - -
Bulk density (g ml-1)/Specific gravity - - -
Dissociation constant (pKa) at 25oC - - -
Note:
Vapour pressure at 20oC (mPa) - - -
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 2.81 Calculated High 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 1.27 X 10-01 Calculated -
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) 14 A4 Non-persistent
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 - A4 Mobile
Koc 35
Notes and range -
Freundlich Kf - - -
Kfoc -
1/n -
Notes and range -
pH sensitivity -


ECOTOXICOLOGY

for tribenuron

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) > 5000 F4 Rat Low
Mammals - Short term dietary NOEL (mg kg-1) - - -
(ppm diet) - -
Birds - Acute LD50 (mg kg-1) > 2250 A4 Colinus virginianus as methyl variant Low
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) 560 A4 Oncorhynchus mykiss as methyl variant Low
Fish - Chronic 21 day NOEC (mg l-1) - - -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) 894 A4 Daphnia magna as methyl variant Low
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) > 9.1 A4 as the methyl variant Moderate
Oral acute 48 hour LD50 (μg bee-1) > 98.4 A4 as the methyl variant Moderate
Unknown mode acute 48 hour LD50 (μg bee-1) - - -
Earthworms - Acute 14 day LC50 (mg kg-1) > 1000 A4 Eisenia foetida as methyl variant Low
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 tribenuron

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) > 5000 F4 Rat Low
Mammals - Dermal LD50 (mg kg-1 body weight) - - -
Mammals - Inhalation LC50 (mg l-1) - - -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) 0.01 A5 -
ARfD - Acute Reference Dose (mg kg-1bw day-1) 0.2 A5 -
AAOEL - Acute Acceptable Operator Exposure Level (mg kg-1 bw day-1) - - -
AOEL - Acceptable Operator Exposure Level - Systemic (mg kg-1bw day-1) 0.07 A5 -
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 No further information available

: 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 Health: H317
Human: H400, H410
EC Risk Classification Click here to view information omn the EU risk phrases Xi - Irritant: R43
EC Safety Classification Click here to view information omn the EU safety phrases -
WHO Classification U - Unlikely to present an acute hazard
US EPA Classification (formulation) - -
UN Number -
Waste disposal & packaging Click here for a description of UN packaging marks -


TRANSLATIONS

for tribenuron

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

Record last updated: Wednesday 03 April 2019
Contact: aeru@herts.ac.uk