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tetrasul (Ref: ENT 27115 )
** tetradisul ** diphenylsulphide ** Translations

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

GENERAL INFORMATION
for tetrasul

Description: A largely obsolete pesticide that was used to treat spider mites and aphids

Introduction: circa 1960

EC Regulation 1107/2009 (repealing 91/414):
Status Not approved
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 Acaricide, Insecticide, Nematicide
Substance group Bridged diphenyl
Substance origin Synthetic
Mode of action Acts by inhibiting oxidative phosphorylation.
CAS RN 2227-13-6
EC number 218-761-4
CIPAC number 114
US EPA chemical code 079201
Chiral molecule No
Chemical formula C12H6Cl4S
SMILES Clc2cc(Sc1ccc(Cl)cc1)c(Cl)cc2Cl
International Chemical Identifier key (InChIKey) QUWSDLYBOVGOCW-UHFFFAOYSA-N
International Chemical Identifier (InChI) InChI=1S/C12H6Cl4S/c13-7-1-3-8(4-2-7)17-12-6-10(15)9(14)5-11(12)16/h1-6H
Structure diagram/image available? Yes
Molecular mass (g mol-1) 324.05
PIN (Preferred Identification Name) 1,2,4-trichloro-5-[(4-chlorophenyl)sulfanyl]benzene
IUPAC name 4-chlorophenyl 2,4,5-trichlorophenyl sulfide
CAS name 1,2,4-trichloro-5-[(4-chlorophenyl)thio]benzene
Other status information OSPAR soc
Herbicide Resistance Classification (HRAC) Not applicable
Herbicide Resistance Classification (WSSA) Not applicable
Insecticide Resistance Classification (IRAC) Not known
Fungicide Resistance Classification (FRAC) Not applicable
Physical state Product is a foul smelling liquid
Related substances & organisms -

Formulations:
Property Value
Example manufacturers & suppliers 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

for tetrasul

Property Value Source/Quality Score/Other Information Interpretation
Solubility - In water at 20oC (mg l-1) 0.03 V3 - @ 25 DegC Low
Solubility - In organic solvents at 20oC (mg l-1) - - -
Melting point (oC) - - -
Boiling point (oC) 200 E3 -
Degradation point (oC) - - -
Flashpoint (oC) - - -
Octanol-water partition coefficient at pH 7, 20oC P 7.41 X 1006 Calculated -
Log P 6.87 V3 High
Bulk density (g ml-1)/Specific gravity - - -
Dissociation constant (pKa) at 25oC - - -
Note:
Vapour pressure at 25oC (mPa) - - -
Henry's law constant at 25oC (Pa m3 mol-1) - - -
Henry's law constant at 20oC (dimensionless) - - -
GUS leaching potential index - - -
SCI-GROW groundwater index (μg l-1) for a 1 kg ha-1 or 1 l ha-1 application rate Value - - -
Note -
Potential for particle bound transport index - - -
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) - - -
DT50 (lab at 20oC) - - -
DT50 (field) - - -
DT90 (lab at 20oC) - - -
DT90 (field) - - -
Note: -
Aqueous photolysis DT50 (days) at pH 7 Value - - -
Note -
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value - - -
Note -
Water-sediment DT50 (days) - - -
Water phase only DT50 (days) - - -

Soil adsorption and mobility:
Property Value Source/Quality Score/Other Information Interpretation
Linear Kd - - -
Koc -
Notes and range -
Freundlich Kf - - -
Kfoc -
1/n -
Notes and range -
pH sensitivity -


ECOTOXICOLOGY

for tetrasul

Property Value Source/Quality Score/Other Information Interpretation
Bio-concentration factor BCF - - -
CT50 (days) - -
Bioaccumulation potential - - -
Mammals - Acute oral LD50 (mg kg-1) > 3960 V3 Rat Low
Mammals - Short term dietary NOEL (mg kg-1) - - -
(ppm diet) - -
Birds - Acute LD50 (mg kg-1) - - -
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) > 11.0 F4 Oncorhynchus mykiss Moderate
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) - - -
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 tetrasul

General:
Property Value Source/Quality Score/Other Information Interpretation
Mammals - Acute oral LD50 (mg kg-1) > 3960 V3 Rat Low
Mammals - Dermal LD50 (mg kg-1 body weight) > 2000 V3 Rabbit -
Mammals - Inhalation LC50 (mg l-1) - - -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) - - -
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 Harmful if absorbed through the skin
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 Toxic
May cause serious eye damage

: 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 Emits hydrogen sulphide gases when mixed with acids
Causes alkai burns
CLP classification 2013 Warning: H312
Environment: H412
EC Risk Classification Xn - Harmful: R21
N - Dangerous for the environment: R52
EC Safety Classification S36
WHO Classification O - Obsolete substance
US EPA Classification (formulation) No consensus across products or no products available - -
UN Number -
Waste disposal & packaging -


TRANSLATIONS

for tetrasul

Language Name
English tetrasul
French tetrasul
German Tetrasul
Danish -
Italian -
Spanish tetrasul
Greek -
Slovenian -
Polish -
Swedish -
Hungarian -
Dutch -

Record last updated: Thursday 31 July 2014
Contact: aeru@herts.ac.uk
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