(Also known as: ronnel; fenclofos; dermaphos; dermafos; Dow ET-57)
Data alerts
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.
UK Environment Agency non-statutory standard for the protection of aquatic life in freshwater and saltwater: 0.03 µg l⁻¹ as annual average, 0.1 µg l⁻¹ as max acceptable conc.
Physical state
Colourless to light tan coloured crystalline powder
Formulations
Property
Product
Manufacturer
Authorisation Route
UK Legal Class
Example products using this active
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Formulation and application details
Supplied in a wide variety of different formulations incuding emulsifiable concentrates and granules
ENVIRONMENTAL FATE
Property
Value
Source; quality score; and other information
Interpretation
Solubility - In water at 20 °C (mg l⁻¹)
40.0
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Low
Solubility - In organic solvents at 20 °C (mg l⁻¹)
9080000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Acetone
-
3470000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Chloroform
-
5950000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Toluene
-
5030000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Xylene
-
Melting point (°C)
41
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
-
Boiling point (°C)
97
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
-
Degradation point (°C)
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Flashpoint (°C)
-
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Octanol-water partition coefficient at pH 7, 20 °C
P
7.59 X 1004
Calculated
-
Log P
4.88
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source
High
Fat solubility of residues
Solubility
-
-
-
Data type
-
-
-
Density (g ml⁻¹)
1.58
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source
-
Dissociation constant pKa) at 25 °C
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-
-
Vapour pressure at 20 °C (mPa)
110
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Highly volatile
Henry's law constant at 25 °C (Pa m³ mol⁻¹)
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Maximum UV-vis absorption L mol⁻¹ cm⁻¹
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Surface tension (mN m⁻¹)
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Refractive Index
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Degradation
Property
Value
Source; quality score; and other information
Interpretation
Soil degradation (days) (aerobic)
DT₅₀ (typical)
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DT₅₀ (lab at 20 °C)
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DT₅₀ (field)
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DT₉₀ (lab at 20 °C)
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DT₉₀ (field)
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Note
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Manure DT₅₀ (days)
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Aqueous photolysis DT₅₀ (days) at pH 7
Value
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Note
-
Aqueous hydrolysis DT₅₀ (days) at 20 °C and pH 7
Value
-
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Note
-
Water-sediment DT₅₀ (days)
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Water phase only DT₅₀ (days)
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Soil adsorption and mobility
Property
Value
Source; quality score; and other information
Interpretation
Linear
Kd
-
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source
Non-mobile
Koc
10232
Notes and range
Estimated
Freundlich
Kf
-
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-
Kfoc
-
1/n
-
Notes and range
-
pH sensitivity
-
Fate indices
Property
Value
Source; quality score; and other information
Interpretation
GUS leaching potential index
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Bio-concentration factor
BCF (l kg⁻¹)
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CT₅₀ (days)
-
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Known metabolites
None
ECOTOXICOLOGY
Terrestrial ecotoxicology
Property
Value
Source; quality score; and other information
Interpretation
Mammals - Acute oral LD₅₀ (mg kg⁻¹)
500
V3 V = ChemID Online Databases; Chemspider; PubChem. (ChemID ) 3 = Unverified data of known source
Rat
Moderate
Mammals - Short term dietary NOEL
(mg kg⁻¹)
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(ppm diet)
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-
Mammals - Chronic 21d NOAEL (mg kg⁻¹ bw d⁻¹)
-
-
-
Birds - Acute LD₅₀ (mg kg⁻¹)
> 3500
V3 V = ChemID Online Databases; Chemspider; PubChem. (ChemID ) 3 = Unverified data of known source
Anas platyrhynchos
Low
Birds - Short term dietary (LC₅₀/LD₅₀)
-
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-
Birds - Chronic 21d NOEL (mg kg⁻¹ bw d⁻¹)
-
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-
Earthworms - Acute 14 day LC₅₀ (mg kg⁻¹)
-
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-
Earthworms - Chronic NOEC, reproduction (mg kg⁻¹)
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Soil micro-organisms
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Collembola
Acute LC₅₀ (mg kg⁻¹)
-
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Chronic NOEC (mg kg⁻¹)
-
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Non-target plants
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Honeybees (Apis spp.)
Contact acute LD₅₀ (worst case from 24, 48 and 72 hour values - μg bee⁻¹)
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Oral acute LD₅₀ (worst case from 24, 48 and 72 hour values - μg bee⁻¹)
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Unknown mode acute LD₅₀ (worst case from 24, 48 and 72 hour values - μg bee⁻¹)
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Chronic
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Bumblebees (Bombus spp.)
Contact acute LD₅₀ (worst case from 24, 48 and 72 hour values - μg bee⁻¹)
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-
Oral acute LD₅₀ (worst case from 24, 48 and 72 hour values - μg bee⁻¹)
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Mason bees (Osmia spp.)
Contact acute LD₅₀ (worst case from 24, 48 and 72 hour values - μg bee⁻¹)
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-
Oral acute LD₅₀ (worst case from 24, 48 and 72 hour values - μg bee⁻¹)
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-
-
Other bee species (1)
Acute LD₅₀ (worst case from 24, 48 and 72 hour values - μg insect⁻¹)
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Mode of exposure
-
Other bee species (2)
Acute LD₅₀ (worst case from 24, 48 and 72 hour values - μg insect⁻¹)
-
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Mode of exposure
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Beneficial insects (Ladybirds)
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Beneficial insects (Lacewings)
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Beneficial insects (Parasitic wasps)
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Beneficial insects (Predatory mites)
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Beneficial insects (Ground beetles)
-
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Aquatic ecotoxicology
Property
Value
Source; quality score; and other information
Interpretation
Fish - Acute 96 hour LC₅₀ (mg l⁻¹)
0.74
R3 R = Peer reviewed scientific publications 3 = Unverified data of known source
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
Environmental fate
Warning:
Ecotoxicity
Human health
