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GET ADDITIONAL DATA HERE!

butylate (Ref: R 1910)
** butilate ** 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 butylate

Description: A herbicide used to control annual grass weeds and some broad-leaved weeds

Example pests controlled: Nutgrass; Millet; Purple nutsedge; Johnsongrass: Quackgrass

Example applications: Sweetcorn; Field corn; Popcorn

Efficacy & activity: -

Availability status: Current

Introduction & key dates: circa 1962

EC Regulation 1107/2009 (repealing 91/414):
Status Not approved
Dossier rapporteur/co-rapporteur -
Date inclusion expires Expired
EU Candidate for substitution (CfS) -
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: USA

Chemical structure: Click here for further information on the general chemical status information used on this site
Isomerism -
Chemical formula C11H23NOS
Canonical SMILES CCSC(=O)N(CC(C)C)CC(C)C
Isomeric SMILES No data
International Chemical Identifier key (InChIKey) BMTAFVWTTFSTOG-UHFFFAOYSA-N
International Chemical Identifier (InChI) InChI=1S/C11H23NOS/c1-6-14-11(13)12(7-9(2)3)8-10(4)5/h9-10H,6-8H2,1-5H3
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 Thiocarbamate
Minimum active substance purity -
Known relevant impurities -
Substance origin Synthetic
Mode of action Selective, systemic absorbed by roots and coleoptiles. Lipid synthesis inhibitor.
CAS RN 2008-41-5
EC number 217-916-3
CIPAC number 266
US EPA chemical code 041405
PubChem CID 16181
Molecular mass (g mol-1) 217.4
PIN (Preferred Identification Name) S-ethyl bis(2-methylpropyl)carbamothioate
IUPAC name S-ethyl diisobutyl(thiocarbamate)
CAS name S-ethyl bis(2-methylpropyl)carbamothioate
Other status information Potential groundwater contaminant
Relevant Environmental Water Quality Standards -
Herbicide Resistance Classification (HRAC) N
Herbicide Resistance Classification (WSSA) 8
Insecticide Resistance Classification (IRAC) Not applicable
Fungicide Resistance Classification (FRAC) Not applicable
Examples of recorded resistance -
Physical state Yellow liquid
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
  • Stauffer
Example products using this active
  • Topanol
  • Dalpac
  • Sustane
  • Sutan
UK LERAP status No UK approval for use as a pesticide under EC Regulation 1107/2009
Formulation and application details Supplied as an emulsifiable concentrate or as granules.


ENVIRONMENTAL FATE

for butylate

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) 45 G4 Low
Solubility - In organic solvents at 20oC (mg l-1) Miscible L3 - Acetone -
Miscible L3 - Xylene -
Miscible L3 - Ethanol -
Miscible L3 - Kerosene -
Melting point (oC) 137.7 L3 -
Boiling point (oC) 138 L3 -
Degradation point (oC) 200 L3 -
Flashpoint (oC) 115 L3 -
Octanol-water partition coefficient at pH 7, 20oC P 1.26 X 1004 Calculated -
Log P 4.1 G4 High
Bulk density (g ml-1)/Specific gravity 0.94 L3 -
Dissociation constant (pKa) at 25oC - - -
Note:
Vapour pressure at 20oC (mPa) 170 G4 Highly volatile
Henry's law constant at 25oC (Pa m3 mol-1) 1.04 X 1001 L3 Moderately volatile
GUS leaching potential index Click here for a note on the limitations of the GUS index 2.24 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 1.05 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 - - -
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) 40 L3 Moderately persistent
DT50 (lab at 20oC) - - -
DT50 (field) 13 Q3 Non-persistent
DT90 (lab at 20oC) - - -
DT90 (field) - - -
DT50 modelling endpoint - - -
Note Other sources: DT50 10-70 days (Q3, L3); DT50 = 24 days sandy soil (F3)
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 - L3 -
Note Degrades in UV light
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value Stable L3 -
Note Stable under most environmental conditions but hydrolysed by strong acids and alkalis
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 - G3 Moderately mobile
Koc 400
Notes and range -
Freundlich Kf - - -
Kfoc -
1/n -
Notes and range -
pH sensitivity -

Key metabolites:
Metabolite Formation medium Estimated maximum occurrence fraction 1107/2009 relevancy Click here for further information on 1107/2009 relevancy
ethanethiol Soil   -   -
diisobutylamine Soil   -   -


ECOTOXICOLOGY

for butylate

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) 410 F4 Whole fish Threshold for concern
CT50 (days) Not available -
Mammals - Acute oral LD50 (mg kg-1) 3500 L3 Rat Low
Mammals - Short term dietary NOEL (mg kg-1) - L3 Rat -
(ppm diet) 32 -
Birds - Acute LD50 (mg kg-1) > 4640 G4 Anas platyrhynchos Low
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) > 4.2 G4 Oncorhynchus mykiss Moderate
Fish - Chronic 21 day NOEC (mg l-1) - - -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) > 158.6 F4 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) - - -
Non-target plants - - -
- - -
Algae - Acute 72 hour EC50, growth (mg l-1) 0.5 F4 Pseudokirchneriella subcapitata Moderate
Algae - Chronic 96 hour NOEC, growth (mg l-1) 0.17 J3 Green algae, LOEC Moderate
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) > 29.0 F4 Moderate
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 butylate

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) 3500 L3 Rat Low
Mammals - Dermal LD50 (mg kg-1 body weight) > 5000 L3 Rabbit -
Mammals - Inhalation LC50 (mg l-1) 5.2 L3 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 The major routes of exposure to butylate are through the skin and by inhalation
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 -
EC Risk Classification Click here to view information omn the EU risk phrases Xn - Harmful: R20
N - Dangerous for the environment: R51/53
EC Safety Classification Click here to view information omn the EU safety phrases S60
WHO Classification III - Slightly hazardous
US EPA Classification (formulation) III - Caution - Slightly toxic
UN Number -
Waste disposal & packaging Click here for a description of UN packaging marks -


TRANSLATIONS

for butylate

Language Name
English butylate
French butilate
German Butylat
Danish butylat
Italian butilate
Spanish butilato
Greek -
Slovenian butilat
Polish butylat
Swedish butylat
Hungarian butylate
Dutch -

Record last updated: Wednesday 23 May 2018
Contact: aeru@herts.ac.uk