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cloransulam-methyl (Ref: XDE 565)
** HSDB 7009 ** XR-565 ** Translations

Environmental Fate - Ecotoxicology - Human Health - A to Z Index - Home

SUMMARY

Cloransulam-methyl is a herbicide without EU regulatory approval for use. It has a moderate aqueous solubility, is non-volatile and, based on its chemical properties, is mobile and may leach to groundwater in some situations. It is generally non- persistent in soil systems but usually degrades quickly in aquatic systems via photolysis. It is not susceptible to hydrolysis. It has a low mammalian toxicity and has a high potential for bioaccumulation. It is a skin and eye irritant. It has a low level of toxicity to birds and aquatic invertebrates but is more toxic to fish, aquatic plants, algae, earthworms and honey bees.

GENERAL INFORMATION Click here for an explantaion of the general chemical status information
for cloransulam-methyl

Description: Used for post-emergence control of broad-leaved weeds in soybeans

Example pests controlled: Cocklebur; Horseweed; Lambsquarters; Mallow; Pigweed; Morning glory; Ragweed; Velvetleaf; Waterhemp

Example applications: Soybeans

Efficacy & activity: -

Availability status: Unknown

Introduction & key dates: 1998, USA

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 C15H13ClFN5O5S
Canonical SMILES CCOC1=NC(=CC2=NC(=NN21)S(=O)(=O)NC3=C(C=CC=C3Cl)C(=O)OC)F
Isomeric SMILES No data
International Chemical Identifier key (InChIKey) BIKACRYIQSLICJ-UHFFFAOYSA-N
International Chemical Identifier (InChI) InChI=1S/C15H13ClFN5O5S/c1-3-27-15-18-10(17)7-11-19-14(20-22(11)15)28(24,25)21-12-8(13(23)26-2)5-4-6-9(12)16/h4-7,21H,3H2,1-2H3
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 Sulfonanilide
Minimum active substance purity -
Known relevant impurities -
Substance origin Synthetic
Mode of action Inhibits plant amino acid synthesis - acetohydroxyacid synthase AHAS.
CAS RN 147150-35-4
EC number -
CIPAC number None allocated
US EPA chemical code 129116
PubChem CID 86453
CLP index number 134
Molecular mass (g mol-1) 429.81
PIN (Preferred Identification Name) methyl 3-chloro-2-(5-ethoxy-7-fluoro[1,2,4]triazolo[1,5-c]pyrimidine-2-sulfonamido)benzoate
IUPAC name methyl 3-chloro-2-(5-ethoxy-7-fluoro[1,2,4]triazolo[1,5-c]pyrimidin-2-ylsulfonamido)benzoate
CAS name methyl 3-chloro-2-(((5-ethoxy-7-fluoro(1,2,4)triazolo(1,5-c)pyrimidin-2-yl)sulfonyl)amino)benzoate
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 Off-white powder
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
  • Dow Chemical Co.
Example products using this active
  • Pacto
  • FirstRate
  • Supra
UK LERAP status No UK approval for use as a pesticide under EC Regulation 1107/2009
Formulation and application details -


ENVIRONMENTAL FATE

for cloransulam-methyl

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) 184 P4 Moderate
Solubility - In organic solvents at 20oC (mg l-1) 4360 P4 - Acetone -
6980 L3 - Dichloromethane -
980 L3 - Ethyl acetate -
470 L3 - Methanol -
Melting point (oC) 217 V3 -
Boiling point (oC) - - -
Degradation point (oC) - - -
Flashpoint (oC) - - -
Octanol-water partition coefficient at pH 7, 20oC P 4.32 X 10-01 Calculated -
Log P -0.365 P4 Low
Bulk density (g ml-1)/Specific gravity 1.54 P4 -
Dissociation constant (pKa) at 25oC 4.81 P4 -
Note: Weak acid
Vapour pressure at 20oC (mPa) 4.0 X 10-11 L3 Low volatility
Henry's law constant at 25oC (Pa m3 mol-1) 9.35 X 10-14 P4 Non-volatile
GUS leaching potential index Click here for a note on the limitations of the GUS index 2.52 Calculated Transition state
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 5.71 X 10-02 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 - - -
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) 11 L3 Non-persistent
DT50 (lab at 20oC) 15 R4 Non-persistent
DT50 (field) 10 R4 Non-persistent
DT90 (lab at 20oC) - - -
DT90 (field) - - -
DT50 modelling endpoint - - -
Note Literature values lab studies DT50 range 9-21 days, Field studies DT50 range 4.2 to 24.1 days (R4)
Dissipation rate RL50 on plant matrix Value - - -
Note -
Dissipation rate RL50 on and in plant matrix Value 3.9 R3 -
Note Soybean, whole plant, n=1
Aqueous photolysis DT50 (days) at pH 7 Value 0.01 F3 Fast
Note Photolysis around 20 mins
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value 175 R4 Persistent
Note pH sensitive : >365 days @ pH 5, 118-231 days @ pH 7, 3 days @ pH 9, 10 days in natural water at pH 8, 67 days soil slurry at pH 6.5
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 - US3 Mobile
Koc 30
Notes and range Other sources: Koc range 12-262 mL/g (R3)
Freundlich Kf - - -
Kfoc -
1/n -
Notes and range -
pH sensitivity -


ECOTOXICOLOGY

for cloransulam-methyl

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) > 5000 L3 Rat Low
Mammals - Short term dietary NOEL (mg kg-1) - F4 Rat -
(ppm diet) 50 -
Birds - Acute LD50 (mg kg-1) > 5620 F4 Colinus virginianus Low
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) > 86.0 F4 Oncorhynchus mykiss Moderate
Fish - Chronic 21 day NOEC (mg l-1) - - -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) 163 L3 Daphnia magna 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) 0.00312 P4 Lemna gibba High
Non-target plants - - -
- - -
Algae - Acute 72 hour EC50, growth (mg l-1) 0.042 F4 Selenastrum capricornutum Moderate
Algae - Chronic 96 hour NOEC, growth (mg l-1) - - -
Honeybees (Apis spp.) Contact acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) > 25 F4 Moderate
Oral acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
Unknown mode acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
Bumblebees (Bombus spp.) Contact acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
-
Oral acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
-
Mason bees (Osmia spp.) Contact acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
Oral acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
Other pollinators (1) Acute LD50 (worst case from 24 , 48 and 72 hour values - μg insect-1) - - -
Mode of exposure -
Other pollinators (2) Acute LD50 (worst case from 24 , 48 and 72 hour values - μg insect-1) - - -
Mode of exposure -
Earthworms - Acute 14 day LC50 (mg kg-1) 859 L3 Moderate
Earthworms - Chronic NOEC, reproduction (mg kg-1) - - -
Other soil macro-organisms Acute LC50 (mg kg-1) - - -
Chronic NOEC (mg kg-1) - - -
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 cloransulam-methyl

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 L3 Rat Low
Mammals - Dermal LD50 (mg kg-1 body weight) > 2000 L3 Rabbit -
Mammals - Inhalation LC50 (mg l-1) 3.77 L3 Rat, 4 hr -
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 List II - -
Exposure Routes Public -
Occupational Occupational exposure may occur through inhalation of dust and dermal contact
European MRLs Click here for the EU MRL pesticide database
Drinking Water Standards - - -
Drinking Water MAC (μg l-1) - - -

Health issues:
Carcinogen Genotoxic Endocrine disrupter Reproduction / development effects Cholinesterase inhibitor Neurotoxicant

A0; B0; C0; D0; E0

-

Respiratory tract irritant Skin irritant Skin sensitiser Eye irritant Phototoxicant

-

-

General human health issues No further information available
Key: Genotoxicity
A: Chromosome aberration (EFSA database)
B: DNA damage/repair (EFSA database)
C: Gene mutation (EFSA database)
D: Genome mutation (EFSA database)
E: Unspecified genotoxicity type (miscellaneous data source)
0: No data
1: Positive
2: Mixed/ambiguous results
3: Negative
Key: Other
: 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 IMDG Transport class 9
CLP classification 2013 Health: H332
Environment: H400, H410
EC Risk Classification Click here to view information omn the EU risk phrases N - Dangerous for the environment: R51
EC Safety Classification Click here to view information omn the EU safety phrases -
WHO Classification U - Unlikely to present an acute hazard
UN Number 3077
Waste disposal & packaging Click here for a description of UN packaging marks Packaging Group II (Minor danger)


TRANSLATIONS

for cloransulam-methyl

Language Name
English cloransulam-methyl
French -
German -
Danish -
Italian -
Spanish cloransulam metil
Greek -
Slovenian -
Polish chloransulam metylowy
Swedish -
Hungarian -
Dutch -

Record last updated: Saturday 29 June 2019
Contact: aeru@herts.ac.uk