| fentin hydroxide |
 |
Environmental Fate - Ecotoxicology - Human Health - A to Z Index - Home
GENERAL INFORMATION 
for fentin hydroxide
Description: A non-systemic fungicide used to control a variety of infections including blight on potatoes, leaf spot on sugar beet and alternaria blight on carrots
Example pests controlled: Early and late blight; Septoria leaf spot; Rusts; Scab
Example applications: Potatoes; Celery and celeriac; Onions; Sugarbeet; Peanuts; Wheat; Coffee; Pecans
Efficacy & activity: -
Availability status: Unknown
Introduction & key dates: 1960
EC Regulation 1107/2009 (repealing 91/414):
| Status | Not approved |
| Dossier rapporteur/co-rapporteur | UK |
| 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: 
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 |
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Chemical structure:
| Isomerism | None |
| Chemical formula | C18H16OSn |
| Canonical SMILES | C1=CC=C(C=C1)[Sn](C2=CC=CC=C2)C3=CC=CC=C3.O |
| Isomeric SMILES | No data |
| International Chemical Identifier key (InChIKey) | BFWMWWXRWVJXSE-UHFFFAOYSA-M |
| International Chemical Identifier (InChI) | InChI=1S/3C6H5.H2O.Sn/c3*1-2-4-6-5-3-1;;/h3*1-5H;1H2;/q;;;;+1/p-1/rC18H16OSn/c19-20(16-10-4-1-5-11-16,17-12-6-2-7-13-17)18-14-8-3-9-15-18/h1-15,19H |
| 2D structure diagram/image available? | Yes |
General status:
| Pesticide type | Fungicide | |||
| Substance group | Organometal | |||
| Minimum active substance purity | - | |||
| Known relevant impurities | - | |||
| Substance origin | Synthetic | |||
| Mode of action | Curative and protective action. Inhibitor of ATP synthase. | |||
| CAS RN | 76-87-9 | |||
| EC number | 200-990-6 | |||
| CIPAC number | 490 | |||
| US EPA chemical code | 083601 | |||
| PubChem CID | 6327657 | |||
| Molecular mass (g mol-1) | 367.0 | |||
| PIN (Preferred Identification Name) | triphenylstannanol | |||
| IUPAC name | triphenyltin hydroxide | |||
| CAS name | triphenylstannylium hydroxide | |||
| 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) | Not applicable | |||
| Fungicide Resistance Classification (FRAC) | 30 | |||
| Examples of recorded resistance | - | |||
| Physical state | Colourless crystals | |||
| Related substances & organisms | - | |||
Formulations:
| Property |
Value | |||
| Example manufacturers & suppliers of products using this active now or historically |
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| Example products using this active |
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| UK LERAP status | No UK approval for use as a pesticide under EC Regulation 1107/2009 | |||
| Formulation and application details | Usually formulated as a wettable powder or suspension concentrate. | |||
ENVIRONMENTAL FATE
for fentin hydroxide
| Property |
Value | Source/Quality Score/Other Information |
Interpretation |
|
| Solubility - In water at 20oC (mg l-1) | 1 | B5 | Low | |
| Solubility - In organic solvents at 20oC (mg l-1) | 50000 | B4 - Acetone | - | |
| 10000 | B4 - Ethanol | - | ||
| 74000 | B4 - 1,2-Dichloroethane | - | ||
| 171000 | B4 - Diethyl ether | - | ||
| Melting point (oC) | 123 | L3 | - | |
| Boiling point (oC) | - | - | - | |
| Degradation point (oC) | - | - | - | |
| Flashpoint (oC) | 174 | L3 | - | |
| Octanol-water partition coefficient at pH 7, 20oC | P | 2.69 X 1003 | Calculated | - |
| Log P | 3.43 | L3 | High | |
| Bulk density (g ml-1)/Specific gravity | 1.54 | L3 | - | |
| Dissociation constant (pKa) at 25oC | - | - | - | |
| Note: | ||||
| Vapour pressure at 20oC (mPa) | 0.047 | B5 | Low volatility | |
| Henry's law constant at 25oC (Pa m3 mol-1) | 4.30 X 10-02 | V3 | Non-volatile | |
GUS leaching potential index  |
0.95 | Calculated | Low leachability | |
| SCI-GROW groundwater index (μg l-1) for a 1 kg ha-1 or 1 l ha-1 application rate |
Value | 1.91 X 10-02 | 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 |
General biodegradability | - |
| Soil degradation (days) (aerobic) | DT50 (typical) | 26 | K4 | Non-persistent |
| DT50 (lab at 20oC) | 26 | K4 | Non-persistent | |
| DT50 (field) | 75 | X3 | Moderately persistent | |
| DT90 (lab at 20oC) | - | - | - | |
| DT90 (field) | - | - | - | |
| DT50 modelling endpoint | - | - | - | |
| Note: | - | |||
| 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 | 18 | K3 | Slow |
| Note | - | |||
| Aqueous hydrolysis DT50 (days) at 20oC and pH 7 | Value | 30 | K3 | Moderately persistent |
| Note | - | |||
| Water-sediment DT50 (days) | 30 | K3 | Moderately fast | |
| Water phase only DT50 (days) | 7 | K3 | Moderately fast | |
Soil adsorption and mobility:
| Property |
Value | Source/Quality Score/Other Information |
Interpretation |
|
| Linear | Kd | - | W3 | Slightly mobile |
| Koc | 3104 | |||
| Notes and range | - | |||
| Freundlich | Kf | - | - | - |
| Kfoc | - | |||
| 1/n | - | |||
| Notes and range | - | |||
| pH sensitivity | - | |||
ECOTOXICOLOGY
for fentin hydroxide
| Property |
Value | Source/Quality Score/Other Information |
Interpretation |
|
| Bio-concentration factor | BCF (l kg-1) | 4300 | P4 | Threshold for concern |
| CT50 (days) | Not available | - | ||
| Mammals - Acute oral LD50 (mg kg-1) | 108 | B5 Rat | Moderate | |
| Mammals - Short term dietary NOEL | (mg kg-1) | - | - | - |
| (ppm diet) | - | - | ||
| Birds - Acute LD50 (mg kg-1) | 377.6 | F4 Anas platyrhynchos | Moderate | |
| Birds - Short term dietary (LC50/LD50) | - | - | - | |
| Fish - Acute 96 hour LC50 (mg l-1) | 0.05 | L3 Cyprinidae | High | |
| Fish - Chronic 21 day NOEC (mg l-1) | < 0.00021 | P3 Cyprinodon variegatus | High | |
| Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) | 0.0165 | L3 Daphnia magna | High | |
| Aquatic invertebrates - Chronic 21 day NOEC (mg l-1) | - | - | - | |
| Aquatic crustaceans - Acute 96 hour LC50 (mg l-1) | 0.0037 | F4 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) | 0.008 | F3 Lemna gibba, 7 day | High | |
| Non-target plants | - | - | - | |
| - | - | - | ||
| Algae - Acute 72 hour EC50, growth (mg l-1) | 0.0000024 | F4 Scenedesmus acutus | 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) | 114.8 | F3 | Low |
| 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) | 32 | Q3 | Moderate | |
| Earthworms - Chronic NOEC, reproduction (mg kg-1) | - | - | - | |
| Other soil macro-organisms | Acute LC50 (mg kg-1) | 230 | A5 Folsomia candida, 35d LC50 | - | Chronic NOEC (mg kg-1) | - | - | - |
| 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 fentin hydroxide
General:
| Property |
Value | Source/Quality Score/Other Information |
Interpretation |
|
| Threshold of Toxicological Concern (Cramer Class) |
High (class III) | - | - | |
| Mammals - Acute oral LD50 (mg kg-1) | 108 | B5 Rat | Moderate | |
| Mammals - Dermal LD50 (mg kg-1 body weight) | 127.0 | L3 Rat | - | |
| Mammals - Inhalation LC50 (mg l-1) | 0.06 | L3 Rat | - | |
| Other Mammal toxicity endpoints | - | - | ||
| ADI - Acceptable Daily Intake (mg kg-1bw day-1) | 0.0004 | A5 | - | |
| ARfD - Acute Reference Dose (mg kg-1bw day-1) | 0.001 | A5 | - | |
| 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 | - | - | |
| Exposure Routes | Public | - | ||
| Occupational | Occupational exposure may occur through inhalation and dermal contact | |||
| 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 | |||
|
A0; B0; C0; D0; E0 |
|
|
- |
- |
|||
| Respiratory tract irritant | Skin irritant | Skin sensitiser | Eye irritant | Phototoxicant | ||||
|
- |
- |
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- |
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| General human health issues | No further information available | |||||||
| 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 |
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Handling issues:
| Property |
Value | Source/Quality Score/Other Information |
Interpretation |
|
| General |
IMDG Transport Code is normally 6.1 | |||
| CLP classification 2013 | Health: H301, H311, H315, H318, H330, H335, H351, H361d, H372 Environment: H400, H410 |
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| EC Risk Classification |
Carcinogen category 3: R40 Reproduction risk category 3: R63 T+ - Very toxic: R26 T - Toxic: R24/25, R48/23, R41 Xi - Irritant: R37/38 N - Dangerous for the environment: R50, R53 |
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| EC Safety Classification |
S1/2, S26, S28, S36/37/39, S45, S60, S61 | |||
| WHO Classification | II | - | Moderately hazardous | |
| UN Number | 2786 | |||
| Waste disposal & packaging |
- | |||
TRANSLATIONS
for fentin hydroxide
| Language | Name |
| English | fentin hydroxide |
| French | fentine hydroxyde |
| German | Fentinhydroxid |
| Danish | fentin hydroxid |
| Italian | fentin idrossido |
| Spanish | hidróxido de fentin |
| Greek | - |
| Slovenian | fentin hidroksid |
| Polish | wodorotlenek fentinu |
| Swedish | - |
| Hungarian | fentin hidroxid |
| Dutch | fentinhydroxide |
Record last updated: Tuesday 10 December 2019
Contact: aeru@herts.ac.uk