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rimsulfuron (Ref: DPX E9636)
** renriduron ** cismethrin ** 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 rimsulfuron

Description: A herbicide for annual grass and annual broad-leaved weed control in maize and other crops

Example pests controlled: Downy brome; Japanese brome; Barnyard grass, Crabgrass; Foxtail; Hairy fleabane; Mallow; Pigweed

Example applications: Maize; Potato; Tomato; Fruit including citrus, apples, pears, cherries, peaches, apricot, grapes; tree nuts; Pistachios

Efficacy & activity: -

Availability status: Current

Introduction & key dates: 1991

EC Regulation 1107/2009 (repealing 91/414):
Status Approved
Dossier rapporteur/co-rapporteur Slovenia/Finland
Date inclusion expires 30/04/2019
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

Also used in: Australia

Chemical structure: Click here for further information on the general chemical status information used on this site
Isomerism -
Chemical formula C14H17N5O7S2
Canonical SMILES CCS(=O)(=O)C1=C(N=CC=C1)S(=O)(=O)NC(=O)NC2=NC(=CC(=N2)OC)OC
Isomeric SMILES No data
International Chemical Identifier key (InChIKey) MEFOUWRMVYJCQC-UHFFFAOYSA-N
International Chemical Identifier (InChI) InChI=1S/C14H17N5O7S2/c1-4-27(21,22)9-6-5-7-15-12(9)28(23,24)19-14(20)18-13-16-10(25-2)8-11(17-13)26-3/h5-8H,4H2,1-3H3,(H2,16,17,18,19,20)
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 960 g/kg
Known relevant impurities EU dossier - None declared
Substance origin Synthetic
Mode of action Selective, systemic, absorbed through foliage and roots and translocated.Inhibits plant amino acid synthesis - acetohydroxyacid synthase AHAS
CAS RN 122931-48-0
EC number -
CIPAC number 716
US EPA chemical code 129009
PubChem CID 91779
Molecular mass (g mol-1) 431.44
PIN (Preferred Identification Name) N-[(4,6-dimethoxypyrimidin-2-yl)carbamoyl]-3-(ethanesulfonyl)pyridine-2-sulfonamide
IUPAC name 1-(4,6-dimethoxypyrimidin-2-yl)-3-(3-ethylsulfonyl-2-pyridylsulfonyl)urea
CAS name N-(((4,6-dimethoxy-2-pyrimidinyl)amino)carbonyl)-3-(ethylsulfonyl)-2-pyridinesulfonamide
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 Avena fatua
Kochia scoparia
Physical state Colourless crystals
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
  • AgriGuard
  • DuPont
  • Makhteshim-Agan
  • Standon
Example products using this active
  • Tarot
  • Titus
  • Basis Gold
  • Rigid
  • Matrix
UK LERAP status None
Formulation and application details Often supplied as water soluble granules that are mixed with water and used as a spray.


ENVIRONMENTAL FATE

for rimsulfuron

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) 7300 A5 High
Solubility - In organic solvents at 20oC (mg l-1) 14800 A5 - Acetone -
35500 A5 - Dichloromethane -
2850 A5 - Ethyl acetate -
1550 A5 - Methanol -
Melting point (oC) 172 A5 -
Boiling point (oC) Decomposes before boiling A5 -
Degradation point (oC) 174 A5 -
Flashpoint (oC) Not expected to self ignite; Not highly flammable A5 -
Octanol-water partition coefficient at pH 7, 20oC P 3.47 X 10-02 Calculated -
Log P -1.46 A5 Low
Bulk density (g ml-1)/Specific gravity 1.5 A5 -
Dissociation constant (pKa) at 25oC 4 A5 -
Note: Weak acid
Vapour pressure at 20oC (mPa) 8.90 X 10-04 A5 Low volatility
Henry's law constant at 25oC (Pa m3 mol-1) 8.30 X 10-08 A5 Non-volatile
GUS leaching potential index Click here for a note on the limitations of the GUS index 3.23 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 3.17 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 - Calculated Low
Maximum UV-vis absorption L mol-1 cm-1 pH 5: 240nm = 22400, 290nm = 481; [pH 2.1: 290nm = 203; [pH 1.8: 230nm = 17800, 290nm = 181 A5 -
Surface tension (mN m-1) 72.1 A5 at 20.1oC, 0.987 g l-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) 24.3 A5 Non-persistent
DT50 (lab at 20oC) 24.3 A5 Non-persistent
DT50 (field) 10.8 A5 Non-persistent
DT90 (lab at 20oC) 97 A5 -
DT90 (field) 45.8 A5 -
DT50 modelling endpoint - - -
Note EU dossier lab studies DT50 range 5-30 days, DT90 range 71-134 days; field study DT50 range 5.6-17.7 days, DT90 range 19-58.8 days; Other sources: DT50 10-20 days (R3)
Dissipation rate RL50 on plant matrix Value - - -
Note -
Dissipation rate RL50 on and in plant matrix Value 1.2 R4 -
Note Published literature RL50 range 0.1-2.0 days, 4 undercover crops, various matrices, n=5
Aqueous photolysis DT50 (days) at pH 7 Value 11.7 A5 Moderately fast
Note pH sensitive: DT50 1.1 days at pH 5, 11.1 hours at pH 9, natural sunlight, 40 deg N
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value 7.2 A5 Non-persistent
Note pH sensitive: DT50 4.7 days at pH 5, 4.2 hours at pH 9, all at 25 degC
Water-sediment DT50 (days) 6 A5 Fast
Water phase only DT50 (days) 4 A5 Moderately fast

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 0.9 A5 Mobile
Koc 50.3
Notes and range EU dossier Kd range 0.27-1.58 mL/g, Koc range 22.2-63.1 mL/g, Soils=4
Freundlich Kf 0.89 A5 Mobile
Kfoc 47
1/n 0.99
Notes and range EU dossier kf range 0.23-1.58, Kfoc range 18.9-62.8 mL/g, 1/n range 0.9-1.22, Soils=4
pH sensitivity No

Key metabolites:
Metabolite Formation medium Estimated maximum occurrence fraction 1107/2009 relevancy Click here for further information on 1107/2009 relevancy
N-(4,6-dimethoxy-2-pyrimidinyl)-N-(3-(ethylsulfonyl)-2-pyridinyl)urea (Ref: IN-70941) This metabolite may cause environmental pollution, click here for further information Soil   0.545   Major fraction, Relevant
N-(3-(ethylsulfonyl)-2-pyridinyl)-4,6-dimethyoxy-2-pyrimidinamine (Ref: IN-70942) This metabolite may cause environmental pollution, click here for further information Soil   0.235   Major fraction, Relevant
3-(ethylsulfonyl)-2-pyridinesulfonamide (Ref: IN-E9260) This metabolite may cause environmental pollution, click here for further information Soil   0.189   Major fraction, Relevant

Other known metabolites:
Metabolite name and reference Aliases Formation medium / Rate Estimated maximum occurrence fraction Metabolising enzymes
4,6-dimethoxy-2-pyrimidinamine
(Ref: IN-J 290)
Note: Possible groundwater contaminant
- Plant; Water/sediment - -
2-[[3-ethylsulfonyl)-2-pyridinyl]amino]-6-methoxy-4(1H)-pyrimidinone
(Ref: IN-JF 999)
- Soil; Water/sediment - -


ECOTOXICOLOGY

for rimsulfuron

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 A5 Based on LogP < 3 Low potential
CT50 (days) - -
Mammals - Acute oral LD50 (mg kg-1) > 5000 B5 Rat Low
Mammals - Short term dietary NOEL (mg kg-1) > 3.4 B5 Rat High
(ppm diet) > 50 -
Birds - Acute LD50 (mg kg-1) > 2250 A5 Colinus virginianus Low
Birds - Short term dietary (LC50/LD50) > 5620 mg kg feed-1 A5 Anas platyrhynchos -
Fish - Acute 96 hour LC50 (mg l-1) > 390 A5 Oncorhynchus mykiss Low
Fish - Chronic 21 day NOEC (mg l-1) 125 A5 Oncorhynchus mykiss Low
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) > 360 A5 Daphnia magna Low
Aquatic invertebrates - Chronic 21 day NOEC (mg l-1) 1 A5 Daphnia magna Moderate
Aquatic crustaceans - Acute 96 hour LC50 (mg l-1) 110.0 F3 Americamysis bahia Low
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) 0.009 F3 Lemna gibba, EU: 0.046 L. minor High
Non-target plants - - -
- - -
Algae - Acute 72 hour EC50, growth (mg l-1) 1.2 A5 Selenastrum Capricornutum Moderate
Algae - Chronic 96 hour NOEC, growth (mg l-1) 0.63 Q2 Unknown species Moderate
Honeybees Contact acute 48 hour LD50 (μg bee-1) > 100 A5 Low
Oral acute 48 hour LD50 (μg bee-1) 41.1 A4 Moderate
Unknown mode acute 48 hour LD50 (μg bee-1) - - -
Earthworms - Acute 14 day LC50 (mg kg-1) > 1000 A5 Eisenia foetida 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 14
1
Mortality
Parasitism
Dose: 150 kg ha-1
A5 Aphidius rhopalosiphi, imagine
-
Other arthropod (2) LR50 g ha-1 - - -
% Effect 9
0
Mortality
Fertility
Dose: 4.4 kg ha-1
A5 Typhlodromus pyri, protonymph
-
Soil micro-organisms Nitrogen mineralisation: No significant adverse effect
Carbon mineralisation: No significant adverse effect
A3
Dose: Not stated
-
Mesocosm study data NOEAEC mg l-1 - - -
NOEAEC mg l-1 - - -


HUMAN HEALTH AND PROTECTION

for rimsulfuron

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 B5 Rat Low
Mammals - Dermal LD50 (mg kg-1 body weight) > 2000 A5 Rat -
Mammals - Inhalation LC50 (mg l-1) > 5.4 A5 Rat, 4 hr (nose only) -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) 0.1 A5 Rat, SF=100 -
ARfD - Acute Reference Dose (mg kg-1bw day-1) None allocated 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 Dog, SF=100 -
Dermal penetration studies (%) 70.0 A5 -
Dangerous Substances Directive 76/464 - - -
Exposure Limits - - -
Exposure Routes Public No unacceptable risks to bystanders identified
Occupational Minimal risk to workers
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 Possible liver and kidney toxicant

: 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 Prevent generation of dust or mists
Not explosive
IMDG Transport Code is usually 9
CLP classification 2013 Environment: H400, H410
EC Risk Classification Click here to view information omn the EU risk phrases N - Dangerous for the environment: R20, R53
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) III - Caution - Slightly toxic
UN Number Usually 3077
Waste disposal & packaging Click here for a description of UN packaging marks Packaging Group III (minor danger)


TRANSLATIONS

for rimsulfuron

Language Name
English rimsulfuron
French rimsulfuron
German Rimsulfuron
Danish rimsulfuron
Italian rimsulfuron
Spanish rimsulfuron
Greek -
Slovenian rimsulfuron
Polish rimsulfuron
Swedish rimsulfuron
Hungarian rimszulfuron
Dutch -

Record last updated: Friday 14 September 2018
Contact: aeru@herts.ac.uk