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
Environmental fate High alert: Potential for particle bound transport: High
Warning: Significant data are missing
Ecotoxicity High alert: Daphnia acute ecotoxicity: High; Bees acute unknown ecotoxicity: High
Human health Low alert
Warning: Significant data are missing
GENERAL INFORMATION
Description
An obsolete pre-plant herbicide once used for the control of weeds in tobacco and other crops
Example pests controlled
Grass weeds; Broad-leaved weeds
Example applications
Tobacco; Solanaceous crops including potatoes, tomatoes, capsicum and chillies
Efficacy & activity
-
Availability status
Considered obsolete but may be available in some countries
Introduction & key dates
1969, first reported; 1972, Introduced in USA
UK regulatory status
UK COPR regulatory status
Not approved
Date COPR inclusion expires
Expired
UK LERAP status
No UK approval for use
EC Regulation 1107/2009 (repealing 91/414)
EC Regulation 1107/2009 status
Not approved
Dossier rapporteur/co-rapporteur
-
Date EC 1107/2009 inclusion expires
Expired
EU Candidate for substitution (CfS)
-
Listed in EU database
Yes
Approved for use (✓) under EC 1107/2009 in the following EU Member States
Example manufacturers & suppliers of products using this active now or historically
DowElanco
Example products using this active
Paarlan
Formulation and application details
Usually supplied as an emulsifiable concentrate
ENVIRONMENTAL FATE
Property
Value
Source; quality score; and other information
Interpretation
Solubility - In water at 20 °C (mg l⁻¹)
0.11
V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source
at 25 °C
Low
Solubility - In organic solvents at 20 °C (mg l⁻¹)
1000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Acetone
-
1000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Benzene
-
1000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Chloroform
-
1000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Methanol
-
Melting point (°C)
Not applicable
Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source
-
Boiling point (°C)
-
-
-
Degradation point (°C)
-
-
-
Flashpoint (°C)
-
-
-
Octanol-water partition coefficient at pH 7, 20 °C
P
1.95 X 1005
Calculated
-
Log P
5.29
K3 K = Research datasets, e.g. Pandora, Demetra 3 = Unverified data of known source
High
Fat solubility of residues
Solubility
-
-
-
Data type
-
-
-
Density (g ml⁻¹)
1.16
Q2 Q = Miscellaneous internet resources 2 = Unverified data of unknown source
-
Dissociation constant pKa) at 25 °C
-
-
-
-
Vapour pressure at 20 °C (mPa)
1.17
Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source
Low volatility
Henry's law constant at 25 °C (Pa m³ mol⁻¹)
4.8
Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source
Moderately volatile
Maximum UV-vis absorption L mol⁻¹ cm⁻¹
-
-
-
Surface tension (mN m⁻¹)
-
-
-
Degradation
Property
Value
Source; quality score; and other information
Interpretation
General biodegradability
-
Soil degradation (days) (aerobic)
DT₅₀ (typical)
100
DW3 DW = Don Wauchope personal database for Pka data: Wauchope, R. D. and Edwards, J. Dissociation constants for pesticide active ingredients: a database and comparison with predicted values. MS in preparation 3 = Unverified data of known source
SCI-GROW groundwater index (μg l⁻¹) for a 1 kg ha⁻¹ or 1 l ha⁻¹ application rate
Value
5.35 X 10-03
Calculated
-
Note
Estimated concentrations of chemicals with Koc values greater than 9995 ml g⁻¹ are beyond the scope of the regression data used in SCI-GROW development. If there are concerns for such chemicals, a higher tier groundwater exposure assessment should be considered, regardless of the concentration returned by SCI-GROW
Potential for particle bound transport index
High
Calculated
-
Potential for loss via drain flow
Non-mobile
Calculated
-
Bio-concentration factor
BCF (l kg⁻¹)
17000
Q2 Q = Miscellaneous internet resources 2 = Unverified data of unknown source
Estimated
High potential
CT₅₀ (days)
Not available
-
Known metabolites
None
ECOTOXICOLOGY
Terrestrial ecotoxicology
Property
Value
Source; quality score; and other information
Interpretation
Mammals - Acute oral LD₅₀ (mg kg⁻¹)
> 5000
Q4 Q = Miscellaneous internet resources 4 = Verified data
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:
Human health
