benazolin ethyl ** benazolin ethyl ester ** benazolinethyl ** Translations

Environmental Fate - Ecotoxicology - Human Health

GENERAL INFORMATION

Description: A herbicide for post-emergent control of annual broad-leaved weeds especially black bindweed, chickweed and cleavers.

Introduction: -

EC Directive 1107/2009 (repealing 91/414):

Status	Excluded from Annex 1
Dossier rapporteur/co-rapporteur	-
Date inclusion expires	Expired

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	Benzothiazolone
Substance origin	Synthetic
Mode of action	Selective, systemic growth-regulation action
CAS RN	25059-80-7
EC number	246-591-0
CIPAC number	136
US EPA chemical code	126801
Chemical formula	C11H10ClNO3S
SMILES	Clc2cccc1SC(=O)N(c12)CC(=O)OCC
International Chemical Identifier (InChI)	InChI=1/C11H10ClNO3S/c1-2-16-9(14)6-13-10-7(12)4-3-5-8(10)17-11(13)15/h3-5H,2,6H2,1H3
Structure diagram/image available?	Yes
Molecular mass (g mol-1)	271.72
IUPAC Name	ethyl 4-chloro-2,3-dihydro-2-oxo-1,3-benzothiazol-3-ylacetate
CAS Name	ethyl 4-chloro-2-oxo-3(2H)-benzothiazoleacetate
Other status information	-
Herbicide Resistance Classification (HRAC)	O
Insecticide Resistance Classification (IRAC)	Not applicable
Fungicide Resistance Classification (FRAC)	Not applicable
Physical state	White crystalline solid
Related substances & organisms	-

Formulations:

Property	Value
Example manufacturers of products using this active	-
Example products using this active	-
UK LERAP status	No UK approval for use or outside scope
Formulation and application details	-

ENVIRONMENTAL FATE

Property		Value	Source/Quality Score/Other Information	Interpretation
Solubility - In water at 20oC (mg l-1)		47.0	L3	Low
Solubility - In organic solvents at 20oC (mg l-1)		229000	L3 - Acetone	-
		603000	L3 - Dichloromethane	-
		148000	L3 - Ethyl acetate	-
		28500	L3 - Toluene	-
Melting Point (oC)		79.2	L3	-
Boiling Point (oC)		-	-	-
Degradation point (oC)		-	-	-
Flashpoint (oC)		-	-	-
Octanol-water partition coefficient at pH 7, 20oC	P	3.16 X 1002	Calculated	-
	Log P	2.5	L3	Low
Bulk density (g ml-1)/Specific gravity		1.45	L3	-
Dissociation constant (pKa) at 25oC		-	-	-
		Note:
Vapour pressure at 25oC (mPa)		0.37	L3	Non-volatile
Henry's law constant at 25oC (Pa m3 mol-1)		-	-	-
Henry's law constant at 20oC (dimensionless)		8.78 X 10-07	Calculated	Moderately volatile
GUS leaching potential index		0.15	Calculated	Low leachability
SCI-GROW groundwater index (µg l-1) for a 1 kg ha-1 or 1 l ha-1 application rate	Value	3.65 X 10-04	Calculated	-
	Note	-
Potential for particle bound transport index		-	Calculated	Medium
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)	1.5	L3	Non-persistent
	DT50 (lab at 20oC)	-	-	-
	DT50 (field)	-	-	-
	DT90 (lab at 20oC)	-	-	-
	DT90 (field)	-	-	-
	Note	Best available data
Aqueous photolysis DT50 (days) at pH 7	Value	Stable	L3	Stable
	Note	Stable
Aqueous hydrolysis DT50 (days) at 20oC and pH 7	Value	Stable	L3	Very persistent
	Note	Stable pH 4 to pH 7, DT50: 7.6 days at pH 9, 25 degC
Water-Sediment DT50 (days)		-	-	-
Water phase only DT50 (days)		-	-	-

Soil adsorption and mobility:

Property		Value	Source/Quality Score/Other Information	Interpretation
Linear	Kd	-	Q2	Slightly mobile
	Koc	1322
	Notes and range	Estimated
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		-	Calculated	Low
Mammals - Acute oral LD50 (mg kg-1)		4000	L3 Mice	Low
Mammals - Short term dietary NOEL	(mg kg-1)	-	-	-
	(ppm diet)	-		-
Birds - Acute LD50 (mg kg-1)		3000	L3 Anas platyrhynchos	Low
Birds - Short term dietary (LC50/LD50)		-	-	-
Fish - Acute 96 hour LC50 (mg l-1)		2.8	L3 Lepomis macrochirus	Moderate
Fish - Chronic 21 day NOEC (mg l-1)		-	-	-
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1)		6.2	L3 Daphnia magna	Moderate
Aquatic invertebrates - Chronic 21 day NOEC (mg l-1)		0.005	L3 Daphnia magna	-
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)		16.0	L3 Pseudokirchneriella subcapitata	Low
Algae - Chronic 96 hour NOEC, growth (mg l-1)		1.0	L3 Pseudokirchneriella subcapitata	Moderate
Honeybees - Acute 48 hour LD50 (µg bee-1)		-	-	-
Earthworms - Acute 14 day LC50 (mg kg-1)		1000	L3	Moderate
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)		4000	L3 Mice	Low
Mammals - Dermal LD50 (mg kg-1 body weight)		> 2100	L3 Rat	-
Mammals - Inhalation LC50 (mg l-1)		5.5	L3 Rat	-
Other Mammal toxicity endpoints		-		-
ADI - Acceptable Daily Intake (mg kg-1bw day-1)		0.006	L3 Dog	-
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		[N - Dangerous for the environment: R51, R53]
EC Safety Classification		S61
WHO Classification		NL	-	Not listed
US EPA Classification (formulation)		No products available	-	-
UN Number		-
Waste disposal & packaging		-

TRANSLATIONS