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GET ADDITIONAL DATA HERE!

pentanochlor (Ref: FMC 4512)
** solan ** CMMP ** pentanachlore ** 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 pentanochlor

Description: A pre- and post-emergence herbicide used in a wide range of crops

Example pests controlled: Chickweed; Red shank; Knotgrass; Barnyardgrass

Example applications: Rice; Vegetables including carrots, celeriac and celery; Tomatoes; Ornamentals; Herbs including fennel and parsley

Efficacy & activity: -

Availability status: Unknown

Introduction & key dates: 1960, first reported

EC Regulation 1107/2009 (repealing 91/414):
Status Not approved
Dossier rapporteur/co-rapporteur Not applicable
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 A molecule with one chiral centre. The technical material is a racemate.
Chemical formula C13H18ClNO
Canonical SMILES CCCC(C)C(=O)NC1=CC(=C(C=C1)C)Cl
Isomeric SMILES No data
International Chemical Identifier key (InChIKey) WGVWLKXZBUVUAM-UHFFFAOYSA-N
International Chemical Identifier (InChI) InChI=1S/C13H18ClNO/c1-4-5-10(3)13(16)15-11-7-6-9(2)12(14)8-11/h6-8,10H,4-5H2,1-3H3,(H,15,16)
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 Herbicide
Substance group Anilide
Minimum active substance purity -
Known relevant impurities -
Substance origin Synthetic
Mode of action Selective with contact action. Photosynthetic electron transport inhibitor at the photosystem II.
CAS RN 2307-68-8
EC number 218-988-9
CIPAC number 317
US EPA chemical code 020901
PubChem CID 16826
Molecular mass (g mol-1) 239.7
PIN (Preferred Identification Name) -
IUPAC name (RS)-3'-chloro-2-methylvaler-p-toluidide
CAS name N-(3-chloro-4-methylphenyl)-2-methylpentanamide
Other status information -
Relevant Environmental Water Quality Standards -
Herbicide Resistance Classification (HRAC) C2
Herbicide Resistance Classification (WSSA) 7
Insecticide Resistance Classification (IRAC) Not applicable
Fungicide Resistance Classification (FRAC) Not applicable
Examples of recorded resistance -
Physical state Colourless solid
Related substances & organisms -

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
  • Certis
  • NUfarm UK
  • FMC
Example products using this active
  • Croptex bronze
  • Atlas brown
  • Solan
  • Dakuron
UK LERAP status No UK approval for use as a pesticide under EC Regulation 1107/2009
Formulation and application details Usually suppled as an emulsifiable concentrate.


ENVIRONMENTAL FATE

for pentanochlor

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) 8.5 L3 Low
Solubility - In organic solvents at 20oC (mg l-1) 250000 L2 - Xylene -
Melting point (oC) 85.5 L3 -
Boiling point (oC) - - -
Degradation point (oC) - - -
Flashpoint (oC) - - -
Octanol-water partition coefficient at pH 7, 20oC P 2.04 X 1004 Calculated -
Log P 4.31 V3 High
Bulk density (g ml-1)/Specific gravity 1.11 L3 -
Dissociation constant (pKa) at 25oC - - -
Note:
Vapour pressure at 20oC (mPa) 0.3 V3 - @ 25 degC Low volatility
Henry's law constant at 25oC (Pa m3 mol-1) 1.59 X 10-03 V3 - @ 25 degC Non-volatile
GUS leaching potential index Click here for a note on the limitations of the GUS index 1.52 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 3.50 X 10-03 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 Low
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) 4 S1 Non-persistent
DT50 (lab at 20oC) - - -
DT50 (field) - - -
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 - - -
Note -
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value - - -
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 - G3 Mobile
Koc 30
Notes and range -
Freundlich Kf - - -
Kfoc -
1/n -
Notes and range -
pH sensitivity -

Key metabolites:
Metabolite Formation medium Estimated maximum occurrence fraction 1107/2009 relevancy Click here for further information on 1107/2009 relevancy
3-chloro-4-methylaniline Soil   -   -
3,3-dichloro-4,4-dimethylazobenzene Soil   -   -


ECOTOXICOLOGY

for pentanochlor

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) - - -
CT50 (days) - -
Mammals - Acute oral LD50 (mg kg-1) > 1000 L3 Rat Moderate
Mammals - Short term dietary NOEL (mg kg-1) - L2 Rat, 4 month -
(ppm diet) 20000 -
Birds - Acute LD50 (mg kg-1) - - -
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) - - -
Fish - Chronic 21 day NOEC (mg l-1) - - -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) 4.8 S1 Unknown species Moderate
Aquatic invertebrates - Chronic 21 day NOEC (mg l-1) - - -
Aquatic crustaceans - Acute 96 hour LC50 (mg l-1) - - -
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) 0.05 S1 Unknown species Moderate
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) - - -
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 - - -
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 pentanochlor

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) > 1000 L3 Rat Moderate
Mammals - Dermal LD50 (mg kg-1 body weight) - - -
Mammals - Inhalation LC50 (mg l-1) - - -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) - - -
ARfD - Acute Reference Dose (mg kg-1bw day-1) - - -
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 - - -
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

-

A0; B0; C0; D0; E0

-

-

Respiratory tract irritant Skin irritant Skin sensitiser Eye irritant Phototoxicant

-

-

General human health issues Harmful if swallowed, via skin contact and inhalation
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 Highly flammable
CLP classification 2013 Not classified: Obsolete
EC Risk Classification Click here to view information omn the EU risk phrases Xn - Harmful: R20/21/22
Xi - Irriatnt: R36
H - Handling risks: R11
EC Safety Classification Click here to view information omn the EU safety phrases S16, S36/37
WHO Classification U - Unlikely to present an acute hazard
UN Number -
Waste disposal & packaging Click here for a description of UN packaging marks -


TRANSLATIONS

for pentanochlor

Language Name
English pentanochlor
French pentanochlore
German Pentanochlor
Danish pentanochlor
Italian pentanoclor
Spanish pentanoclor
Greek -
Slovenian pentanoklor
Polish pentanochlor
Swedish -
Hungarian -
Dutch -

Record last updated: Tuesday 02 July 2019
Contact: aeru@herts.ac.uk