triflusulfuron
** Translations

Environmental Fate - Ecotoxicology - Human Health

GENERAL INFORMATION

Description: A post-emergence herbicide for sugar beet used to control many annual and perennial broad-leaved weeds, normally used as the methyl variant

Introduction: -

EC Directive 1107/2009 (repealing 91/414):
Status Annex 1
Dossier rapporteur/co-rapporteur France
Date inclusion expires 31/12/2019

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

General status:
Pesticide type Herbicide
Substance group Sulfonylurea
Substance origin Synthetic
Mode of action Selective, inhibits amino acid sysnthesis
CAS RN 135990-29-3
EC number -
CIPAC number 731
US EPA chemical code -
Chemical formula C16H17F3N6O6S
SMILES OC(=O)c1cccc(C)c1S(=O)(=O)NC(=O)Nc1nc(N(C)C)nc(OCC(F)(F)F)n1
International Chemical Identifier (InChI) InChI=1/C16H17F3N6O6S/c1-8-5-4-6-9(11(26)27)10(8)32(29,30)24-14(28)21-12-20-13(25(2)3)23-15(22-12)31-7-16(17,18)19/h4-6H,7H2,1-3H3,(H,26,27)(H2,20,21,22,23,24,28)
Structure diagram/image available? Yes
Molecular mass (g mol-1) 478.41
IUPAC Name 2-[4-dimethylamino-6-(2,2,2-trifluoroethoxy)-1,3,5-triazin-2-ylcarbamoylsulfamoyl]-m-toluic acid
CAS Name 2-[[[[[4-(dimethylamino)-6-(2,2,2-trifluoroethoxy)-1,3,5-triazin-2-yl]amino]carbonyl]amino]sulfonyl]-3-methylbenzoic acid
Other status information -
Herbicide Resistance Classification (HRAC) B
Insecticide Resistance Classification (IRAC) Not applicable
Fungicide Resistance Classification (FRAC) Not applicable
Physical state -
Related substances & organisms

Formulations:
Property Value
Example manufacturers of products using this active -
Example products using this active -
UK LERAP status LERAP Category B (may vary with mixtures)
Formulation and application details Normally formulated using the methyl variant.


ENVIRONMENTAL FATE

Property Value Source/Quality Score/Other Information Interpretation
Solubility - In water at 20oC (mg l-1) 1.0 V3 - @ 25 DegC Low
Solubility - In organic solvents at 20oC (mg l-1) - - -
Melting Point (oC) 161.5 V3 -
Boiling Point (oC) - - -
Degradation point (oC) - - -
Flashpoint (oC) - - -
Octanol-water partition coefficient at pH 7, 20oC P 1.26 X 1003 Calculated -
Log P 3.1 V3 High
Bulk density (g ml-1)/Specific gravity - - -
Dissociation constant (pKa) at 25oC 4.4 V3 -
Note: Weak acid
Vapour pressure at 25oC (mPa) - - -
Henry's law constant at 25oC (Pa m3 mol-1) - - -
Henry's law constant at 20oC (dimensionless) - - -
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) - - -
DT50 (lab at 20oC) - - -
DT50 (field) - - -
DT90 (lab at 20oC) - - -
DT90 (field) - - -
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 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) - - -
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) - - -
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) - - -
Algae - Acute 72 hour EC50, growth (mg l-1) - - -
Algae - Chronic 96 hour NOEC, growth (mg l-1) - - -
Honeybees - 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 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) - - -
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) - - -
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 [Carcinogen category 3: R40]
EC Safety Classification -
WHO Classification NL - Not listed
US EPA Classification (formulation) - - -
UN Number -
Waste disposal & packaging -


TRANSLATIONS

Language Name
English triflusulfuron
French triflusulfuron
German Triflusulfuron
Danish triflusulfuron
Italian triflusulfuron
Spanish triflusulfuron
Greek -
Slovenian -
Polish triflusulfuron
Swedish triflusulfuron
Hungarian triszulfuron
Dutch -

Record last updated: Wednesday 01 August 2012
Contact: aeru@herts.ac.uk