Tetradifon (Ref: ENT 23737)
Last updated: 10/09/2023
(Also known as: tedion; sulfone)
The following alerts are based on the data in the tables below. An absence of an alert does not imply the substance has no implications for human health, biodiversity or the environment but just that we do not have the data to form a judgement.
Environmental fate
Ecotoxicity
Human health
An acaricide for use in horticultural crops to control a wide range of phytophagous mites
Citrus spider mite; Red spider mite; Flat mites; yellow mite
Apples; Pears; Peaches; Citrus; Ornamentals; Cotton; Tea
-
Current
circa 1955
Not approved
Expired
No UK approval for use
EC Regulation 1107/2009 (repealing 91/414)
Not approved
Not applicable
Expired
-
Yes
ATAustria
BEBelgium
BGBulgaria
CYCyprus
CZCzech Republic
DEGermany
DKDenmark
EEEstonia
ELGreece
 
 
 
 
 
 
 
 
 
ESSpain
FIFinland
FRFrance
HRCroatia
HUHungary
IEIreland
ITItaly
LTLithuania
LULuxembourg
 
 
 
 
 
 
 
 
 
LVLatvia
MTMalta
NLNetherlands
PLPoland
PTPortugal
RORomania
SESweden
SISlovenia
SKSlovakia
 
 
 
 
 
 
 
 
 
ISIceland
NONorway
 
 
 
 
 
 
 
 
 
None
C₁₂H₆Cl₄O₂S
C1=CC(=CC=C1S(=O)(=O)C2=CC(=C(C=C2Cl)Cl)Cl)Cl
-
MLGCXEBRWGEOQX-UHFFFAOYSA-N
InChI=1S/C12H6Cl4O2S/c13-7-1-3-8(4-2-7)19(17,18)12-6-10(15)9(14)5-11(12)16/h1-6H
Yes
Acaricide, Insecticide
Bridged diphenyl insecticide; Bridge diphenyl acaricide
-
-
Synthetic
Non-systemic with larvicidal and ovicidal activity. Acts by inhibiting oxidative phosphorylation. Inhibitor of mitochondrial ATP synthase.
116-29-0
204-134-2
113
079202
8305
No data found
356.06
1,2,4-trichloro-5-(4-chlorobenzene-1-sulfonyl)benzene
4-chlorophenyl 2,4,5-trichlorophenyl sulfone
1,2,4-trichloro-5-((4-chlorophenyl)sulfonyl)benzene
OSPAR soc
-
Not applicable
Not applicable
12D
Not applicable
Panonychus citri , Panonychus ulmi , Tetranychus mcdanieli , Tetranychus urticae
Colourless crystals
Chemtura King Tech Corp FMC Duphar
Acaroil TD Ovifac Propachem Super Tetrapaz
Available in a variety of formulations including emulsifiable concentrates, wettable powders and smoke generators
0.078
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Low
82000
C4 C = AGRITOX dataset. Dataset is no longer available. 4 = Verified data
Acetone
-
255000
C4 C = AGRITOX dataset. Dataset is no longer available. 4 = Verified data
Chloroform
-
10000
C4 C = AGRITOX dataset. Dataset is no longer available. 4 = Verified data
Methanol
-
115000
C4 C = AGRITOX dataset. Dataset is no longer available. 4 = Verified data
Xylene
-
146
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
-
-
-
-
-
-
-
-
-
-
4.07 X 1004
Calculated
-
4.61
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
High
-
-
-
-
-
-
1.52
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
-
-
-
-
-
3.20 X 10-05
C4 C = AGRITOX dataset. Dataset is no longer available. 4 = Verified data
Low volatility
1.46 X 10-04
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Non-volatile
-
-
-
-
-
-
-
112
C4 C = AGRITOX dataset. Dataset is no longer available. 4 = Verified data
Persistent
112
C4 C = AGRITOX dataset. Dataset is no longer available. 4 = Verified data
Persistent
-
-
-
-
-
-
-
-
-
-
-
-
-
8.0
R3 R = Peer reviewed scientific publications 3 = Unverified data of known source
-
Alfalf leaves, n=1
6.1
R3 R = Peer reviewed scientific publications 3 = Unverified data of known source
-
Published literature RL₅₀ range 5.2-7.0 days, fruit from 2 field grown crops, n=2
-
-
-
-
Stable
C2 C = AGRITOX dataset. Dataset is no longer available. 2 = Unverified data of unknown source
Stable
-
-
-
-
-
-
-
Soil adsorption and mobility
-
W3 W = French database provided by ARVALIS-Institut du Végétal. Dataset no longer available. 3 = Unverified data of known source
Moderately mobile
100
-
-
-
-
-
-
-
-
4.10
Calculated
High leachability
1.44 X 1000
Calculated
-
-
Medium
Calculated
-
Moderately mobile
Calculated
-
190
P4 P = Other non-EU, UK or US Governments and Regulators 4 = Verified data
(Other literature Log BCF range 1.7-2.0 (R3))
Threshold for concern
Not available
-
None
Terrestrial ecotoxicology
> 14700
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Rat
Low
-
L2 L = Pesticide manuals and hard copy reference books / other sources 2 = Unverified data of unknown source
Rat 2 year
-
200
-
-
-
-
> 5000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Anas platyrhynchos
Low
-
-
-
-
-
-
> 5000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Low
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
> 11
C4 C = AGRITOX dataset. Dataset is no longer available. 4 = Verified data
Apis mellifera
Moderate
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Harmless at dose 96 g ha⁻¹
AA3 AA = IOBC Database on classification of side effects to beneficial organisms, 2005 3 = Unverified data of known source
Chrysoperla carnea
-
-
-
-
Harmless at dose 96 g ha⁻¹
AA3 AA = IOBC Database on classification of side effects to beneficial organisms, 2005 3 = Unverified data of known source
Typhlodromus pyri
-
-
-
-
> 880
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Lepomis macrochirus
Low
-
-
-
> 2
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Daphnia magna
Moderate
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
> 100
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Raphidocelis subcapitata
Low
-
-
-
-
-
-
-
-
-
HUMAN HEALTH AND PROTECTION
High (class III)
-
-
> 14700
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Rat
Low
10000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Rabbit
-
3.0
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Rat 4 hr
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
May be absorbed into the body by inhalation of dust
EU MRL pesticide database 
-
-
-
-
-
-
-
-
-
-
Carcinogen
Endocrine disruptor
XNo, known not to cause a problem
A0 A = Chromosome aberration (EFSA database) 0 = No data
; B0 B = DNA damage/repair (EFSA database) 0 = No data
; C0 C = Gene mutation (EFSA database) 0 = No data
; D0 D = Genome mutation (EFSA database) 0 = No data
; E3 E = Unspecified genotoxicity type (miscellaneous data source) 3 = Negative
XNo, known not to cause a problem
Reproduction / development effects
Acetyl cholinesterase inhibitor
Neurotoxicant
XNo, known not to cause a problem
XNo, known not to cause a problem
XNo, known not to cause a problem
Respiratory tract irritant
Skin irritant
Skin sensitiser
XNo, known not to cause a problem
?Possibly, status not identified
No data found
Eye irritant
Phototoxicant
 
?Possibly, status not identified
No data found
 
Possible liver and kidney toxicant
Prevent generation of dust Flammable Tackle fires using a water spray or dry chemicals IMDG Transport Hazard Class 9
Health: H302 Environment: H400, H410
U (Unlikely to present an acute hazard)
UN3077
Dispose of as chemical waste of low toxicity Packaging Group III (minor danger)
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tetradifon
tetradifon
Tetradifon
tetradifon
tetradifon
tetradifon
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tereadifon
tetradifon
-
-
-
Record last updated:
10/09/2023
Contact:
aeru@herts.ac.uk
Please cite as:
Lewis, K.A., Tzilivakis, J., Warner, D. and Green, A. (2016) An international database for pesticide risk assessments and management. Human and Ecological Risk Assessment: An International Journal , 22 (4), 1050-1064. DOI: 10.1080/10807039.2015.1133242