fensulfothion (Ref: ENT 24945) ** HSDB 1580 ** Translations

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GENERAL INFORMATION
for fensulfothion

Description: Largely obsolete compound formerly used against soil nematodes and many soil insects in field crops, vegetables and fruit

Introduction: 1967, first reported

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

Status	Not listed
Dossier rapporteur/co-rapporteur	Not applicable
Date inclusion expires	Not applicable

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	Insecticide, Nematicide
Substance group	Organophosphate
Substance origin	Synthetic
Mode of action	Cholinesterase inhibitor. Contact action.
CAS RN	115-90-2
EC number	204-114-3
CIPAC number	303
US EPA chemical code	032701
Chiral molecule	Chiral, a specific isomer or a derivative of a chiral molecule
Chemical formula	C11H17O4PS2
SMILES	S=P(Oc1ccc(cc1)S(=O)C)(OCC)OCC
International Chemical Identifier key (InChIKey)	XDNBJTQLKCIJBV-UHFFFAOYSA-N
International Chemical Identifier (InChI)	InChI=1S/C11H17O4PS2/c1-4-13-16(17,14-5-2)15-10-6-8-11(9-7-10)18(3)12/h6-9H,4-5H2,1-3H3
Structure diagram/image available?	Yes
Molecular mass (g mol-1)	308.35
PIN (Preferred Identification Name)	O,O-diethyl O-[4-(methanesulfinyl)phenyl] phosphorothioate
IUPAC name	O,O-diethyl O-4-methylsulfinylphenyl phosphorothioate
CAS name	O,O-diethyl O-[4-(methylsulfinyl)phenyl] phosphorothioate
Other status information	Marine Pollutant
Herbicide Resistance Classification (HRAC)	Not applicable
Herbicide Resistance Classification (WSSA)	Not applicable
Insecticide Resistance Classification (IRAC)	1B
Fungicide Resistance Classification (FRAC)	Not applicable
Physical state	Yellow liquid
Related substances & organisms	-

Formulations:

Property	Value
Example manufacturers & suppliers of products using this active	Bayer AG
Example products using this active	Dasanit Terracur
UK LERAP status	No UK approval for use or outside scope
Formulation and application details	Available in a wide range of formulations.

ENVIRONMENTAL FATE
for fensulfothion

Property		Value	Source/Quality Score/Other Information	Interpretation
Solubility - In water at 20oC (mg l-1)		1540	F3	High
Solubility - In organic solvents at 20oC (mg l-1)		-	-	-
Melting point (oC)		25	V3	-
Boiling point (oC)		-	-	-
Degradation point (oC)		-	-	-
Flashpoint (oC)		-	-	-
Octanol-water partition coefficient at pH 7, 20oC	P	1.70 X 1002	Calculated	-
	Log P	2.23	V3	Low
Bulk density (g ml-1)/Specific gravity		1.20	F3	-
Dissociation constant (pKa) at 25oC		-	-	-
		Note:
Vapour pressure at 25oC (mPa)		6.7	Q3	Intermediate state
Henry's law constant at 25oC (Pa m3 mol-1)		-	-	-
Henry's law constant at 20oC (dimensionless)		5.51 X 10-07	Calculated	Moderately volatile
GUS leaching potential index		3.01	Calculated	High leachability
SCI-GROW groundwater index (μg l-1) for a 1 kg ha-1 or 1 l ha-1 application rate	Value	7.66 X 10-02	Calculated	-
	Note	-
Potential for particle bound transport index		-	Calculated	Low
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)	30	F3	Moderately persistent
	DT50 (lab at 20oC)	14	F3	Non-persistent
	DT50 (field)	-	-	-
	DT90 (lab at 20oC)	-	-	-
	DT90 (field)	-	-	-
	Note	General literature DT50 range 14-180 days
Aqueous photolysis DT50 (days) at pH 7	Value	-	-	-
	Note	-
Aqueous hydrolysis DT50 (days) at 20oC and pH 7	Value	72.5	Q3	Moderately persistent
	Note	-
Water-sediment DT50 (days)		-	-	-
Water phase only DT50 (days)		-	-	-

Soil adsorption and mobility:

Property		Value	Source/Quality Score/Other Information	Interpretation
Linear	Kd	-	Q3	Moderately mobile
	Koc	91
	Notes and range	General literature Koc range 77-105 mL/g
Freundlich	Kf	-	-	-
	Kfoc	-
	1/n	-
	Notes and range	-
pH sensitivity		-

ECOTOXICOLOGY
for fensulfothion

Property		Value	Source/Quality Score/Other Information	Interpretation
Bio-concentration factor	BCF	Low risk	Q3 Based on LogP < 3	High potential
	CT50 (days)	-		-
Bioaccumulation potential		-	Calculated	Low
Mammals - Acute oral LD50 (mg kg-1)		2.2	L3 Rat	High
Mammals - Short term dietary NOEL	(mg kg-1)	-	-	-
	(ppm diet)	-		-
Birds - Acute LD50 (mg kg-1)		1.2	V3 Coturnix japonica	High
Birds - Short term dietary (LC50/LD50)		-	-	-
Fish - Acute 96 hour LC50 (mg l-1)		0.072	F4 Lepomis macrochirus	High
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	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)	0.337	Q3	High
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 fensulfothion

General:

Property		Value	Source/Quality Score/Other Information	Interpretation
Mammals - Acute oral LD50 (mg kg-1)		2.2	L3 Rat	High
Mammals - Dermal LD50 (mg kg-1 body weight)		3.0	V3 Rat	-
Mammals - Inhalation LC50 (mg l-1)		0.113	V3 Rat	-
Other Mammal toxicity endpoints		-		-
ADI - Acceptable Daily Intake (mg kg-1bw day-1)		0.003	JMPR 1982	-
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		List I	-	-
Exposure Limits		[TLV TWA: 0.01 mg/m³]	Q3	-
Exposure Routes	Public	-
	Occupational	Absorbed through the skin, by inhalation and from the gastrointestinal tract
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	Cholinesterase inhibitor	Neurotoxicant	Respiratory tract irritant	Skin irritant	Eye irritant
-	-	-	-					-
General human health issues		Very toxic

: 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
CLP classification 2013		-
EC Risk Classification		T+ - Very toxic: R27, R28 N - Dangerous for the environment: R50, R53
EC Safety Classification		S1/2, S23, S28, S36/37, S45, S60, S61
WHO Classification		Ia	-	Extremely hazardous
US EPA Classification (formulation)		No consensus across products or no products available	-	-
UN Number		-
Waste disposal & packaging		-

TRANSLATIONS
for fensulfothion

Language	Name
English	fensulfothion
French	fensulfothion
German	Fensulfothion
Danish	-
Italian	-
Spanish	fensulfotion
Greek	-
Slovenian	-
Polish	-
Swedish	-
Hungarian	-
Dutch	-

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Record last updated: Wednesday 10 December 2014
Contact: aeru@herts.ac.uk