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cyhexatin (Ref: OMS 3029)
** tricyclohexyltin hydroxide ** ENT 27395-X ** 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 cyhexatin

Description: An acaricide used to control mites on a variety of crops. Can also be a pesticide transformation product

Example pests controlled: European red mite; Citrus mite; Two-spotted spider mite

Example applications: Fruit including apples, pears, citrus, peaches, plums, nectarines, strawberries; Ornamentals; Hops; Almonds; Walnuts

Efficacy & activity: -

Availability status: Unknown

Introduction & key dates: circa 1970

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

Status Not approved
Dossier rapporteur/co-rapporteur Italy
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

Chemical structure: Click here for further information on the general chemical status information used on this site

Isomerism None
Chemical formula C18H34OSn
Canonical SMILES C1CCC(CC1)[Sn](C2CCCCC2)C3CCCCC3.O
Isomeric SMILES No data
International Chemical Identifier key (InChIKey) WCMMILVIRZAPLE-UHFFFAOYSA-M
International Chemical Identifier (InChI) InChI=1S/3C6H11.H2O.Sn/c3*1-2-4-6-5-3-1;;/h3*1H,2-6H2;1H2;/q;;;;+1/p-1/rC18H34OSn/c19-20(16-10-4-1-5-11-16,17-12-6-2-7-13-17)18-14-8-3-9-15-18/h16-19H,1-15H2
2D structure diagram/image available? Yes

General status: Click here for further information on the general chemical status information used on this site

Pesticide type Insecticide, Acaricide, Metabolite
Metabolite Type Soil
Substance group Organometal
Minimum active substance purity -
Known relevant impurities -
Substance origin Synthetic
Mode of action Non-systemic with contact action, acts by inhibiting oxidative phosphorylation
CAS RN 13121-70-5
EC number 236-049-1
CIPAC number 289
US EPA chemical code 101601
PubChem CID 6327054
Molecular mass (g mol-1) 385.17
PIN (Preferred Identification Name) tricyclohexylstannanol
IUPAC name tricyclohexyltin hydroxide
CAS name tricyclohexylhydroxystannane
Other status information OSPAR soc; Severe Marine Pollutant; Chemical subject to PIC regulations
Relevant Environmental Water Quality Standards -
Herbicide Resistance Classification (HRAC) Not applicable
Herbicide Resistance Classification (WSSA) Not applicable
Insecticide Resistance Classification (IRAC) 12B
Fungicide Resistance Classification (FRAC) Not applicable
Examples of recorded resistance Panonychus ulmi
Tetranychus mcdanieli
Tetranychus urticae
Tetranychus kanzawai
Tetranychus pacificus
Physical state Solid
Related substances & organisms

Can be a metabolite of:

Parent Formation medium Estimated maximum occurrence fraction 1107/2009 relevancy Click here for further information on 1107/2009 relevancy
azocyclotin Soil     -

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
  • Chemia SPA ITALY
  • Cerexagri
  • Oxon Italia SpA
  • Dow Chemicals
Example products using this active
  • Citran 500 SC
  • Plictran
  • Aracnol F
UK LERAP status No UK approval for use as a pesticide under EC Regulation 1107/2009
Formulation and application details Usually supplied as a suspension concentrate or wettable powder.


ENVIRONMENTAL FATE

for cyhexatin

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) 1.0 H4 Low
Solubility - In organic solvents at 20oC (mg l-1) 216000 L3 - Chloroform -
37000 L3 - Methanol -
16000 L3 - Benzene -
10000 L3 - Toluene -
Melting point (oC) - - -
Boiling point (oC) - - -
Degradation point (oC) - - -
Flashpoint (oC) - - -
Octanol-water partition coefficient at pH 7, 20oC P 6.92 X 1004 Calculated -
Log P 4.84 C4 High
Bulk density (g ml-1)/Specific gravity - - -
Dissociation constant (pKa) at 25oC - - -
Note:
Vapour pressure at 20oC (mPa) 1.15 X 10-03 V3 - @ 25 degC Low volatility
Henry's law constant at 25oC (Pa m3 mol-1) 2.00 X 10-02 L3 Non-volatile
GUS leaching potential index Click here for a note on the limitations of the GUS index 0.61 Calculated Low leachability
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 1.18 X 10-02 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 High
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) 50 H4 Moderately persistent
DT50 (lab at 20oC) 50 Q2 Moderately persistent
DT50 (field) 50 F3 Moderately persistent
DT90 (lab at 20oC) - - -
DT90 (field) - - -
DT50 modelling endpoint - - -
Note Best available data
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 Degraded by UV light
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value Stable C4 -
Note -
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 - H3 Non-mobile
Koc 4365
Notes and range Best available data
Freundlich Kf - - -
Kfoc -
1/n -
Notes and range -
pH sensitivity -


ECOTOXICOLOGY

for cyhexatin

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) 10000 Q2 Estimated High potential
CT50 (days) Not available -
Mammals - Acute oral LD50 (mg kg-1) 265 F4 Rat Moderate
Mammals - Short term dietary NOEL (mg kg-1) 1 L2 Rat, 2 year High
(ppm diet) - -
Birds - Acute LD50 (mg kg-1) 520 L3 Colinus virginianus Moderate
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) 0.06 L3 Perciformes High
Fish - Chronic 21 day NOEC (mg l-1) - - -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) 0.0002 C3 Daphnia magna High
Aquatic invertebrates - Chronic 21 day NOEC (mg l-1) - - -
Aquatic crustaceans - Acute 96 hour LC50 (mg l-1) 0.00032 F3 Americamysis bahia High
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) 0.000018 F4 Scenedesmus subspicutus High
Algae - Chronic 96 hour NOEC, growth (mg l-1) - - -
Honeybees (Apis spp.) Contact acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) 32 L3 Moderate
Oral acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
Unknown mode acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
Bumblebees (Bombus spp.) Contact acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
-
Oral acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
-
Mason bees (Osmia spp.) Contact acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
Oral acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
Other pollinators (1) Acute LD50 (worst case from 24 , 48 and 72 hour values - μg insect-1) - - -
Mode of exposure -
Other pollinators (2) Acute LD50 (worst case from 24 , 48 and 72 hour values - μg insect-1) - - -
Mode of exposure -
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 Moderately harmful AA2 Typhlodromus pyri -
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 cyhexatin

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) 265 F4 Rat Moderate
Mammals - Dermal LD50 (mg kg-1 body weight) > 2000 L3 Rabbit -
Mammals - Inhalation LC50 (mg l-1) - - -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) 0.003 JMPR 2005 -
ARfD - Acute Reference Dose (mg kg-1bw day-1) 0.02 JMPR 2005 -
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 List I; List II - -
Exposure Routes Public -
Occupational -
European MRLs Click here for the EU MRL pesticide database
Drinking Water Standards - - -
Drinking Water MAC (μg l-1) - - -

Health issues:

Carcinogen Genotoxic Endocrine disrupter Reproduction / development effects Cholinesterase inhibitor Neurotoxicant

-

A3; B0; C0; D0; E0

-

Respiratory tract irritant Skin irritant Skin sensitiser Eye irritant Phototoxicant

-

-

General human health issues Highly toxic
Key: Genotoxicity
A: Chromosome aberration (EFSA database)
B: DNA damage/repair (EFSA database)
C: Gene mutation (EFSA database)
D: Genome mutation (EFSA database)
E: Unspecified genotoxicity type (miscellaneous data source)
0: No data
1: Positive
2: Mixed/ambiguous results
3: Negative
Key: Other
: 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 IMDG Transport Code is normally 6.1
CLP classification 2013 Health: H302, H312, H332
Environment: H400, H410
EC Risk Classification Click here to view information omn the EU risk phrases Xn - Harmful: R20/21/22
N - Dangerous for the environment: R50, R53
EC Safety Classification Click here to view information omn the EU safety phrases S2, S13, S60, S61
WHO Classification II - Moderately hazardous
UN Number 2786
Waste disposal & packaging Click here for a description of UN packaging marks -


TRANSLATIONS

for cyhexatin

Language Name
English cyhexatin
French cyhexatin
German Cyhexatin
Danish cyhexatin
Italian ciexatin
Spanish cihexatin
Greek -
Slovenian ciheksatin
Polish cyheksatyna
Swedish -
Hungarian cyhexatin
Dutch cyhexatin

Record last updated: Tuesday 22 May 2018
Contact: aeru@herts.ac.uk
© University of Hertfordshire