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monocrotophos (Ref: ENT 27129)
** azadrin ** corophos ** OMS 834 ** 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 monocrotophos

Description: Used to control sucking and chewing pests typically on cotton, citrus and many other crops

Example pests controlled: Aphids; Common mites; Ticks; Spiders; Caterpillars

Example applications: Cotton; Palms; Ornamental conifers; Ornamental shrubs and flowers; Peanuts; Sugarcane; Citrus; Olives

Availability status: Unknown

Introduction & key dates: -

EC Regulation 1107/2009 (repealing 91/414):
Status Not approved
Dossier rapporteur/co-rapporteur Italy
Date inclusion expires Expired

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

General status: Click here for further information on the general chemical status information used on this site
Pesticide type Insecticide, Acaricide
Substance group Organophosphate
Minimum active substance purity -
Known relevant impurities -
Substance origin Synthetic
Mode of action Broad spectrum, systemic with stomach and contact action. Acetylcholinesterase (AChE) inhibitor.
CAS RN 6923-22-4
EC number 230-042-7
CIPAC number 287
US EPA chemical code 058903
Chiral molecule No
Chemical formula C7H14NO5P
SMILES O=P(O/C(=C/C(=O)NC)C)(OC)OC
International Chemical Identifier key (InChIKey) KRTSDMXIXPKRQR-AATRIKPKSA-N
International Chemical Identifier (InChI) InChI=1S/C7H14NO5P/c1-6(5-7(9)8-2)13-14(10,11-3)12-4/h5H,1-4H3,(H,8,9)/b6-5+
Structure diagram/image available? Yes
Molecular mass (g mol-1) 223.16
PIN (Preferred Identification Name) dimethyl (2E)-4-(methylamino)-4-oxobut-2-en-2-yl phosphate
IUPAC name dimethyl (E)-1-methyl-2-(methylcarbamoyl)vinyl phosphate
CAS name dimethyl (1E)-1-methyl-3-(methylamino)-3-oxo-1-propenyl phosphate
Other status information PIC Annex III; Marine Pollutant; Rotterdam Convention (Class Ib)
Herbicide Resistance Classification (HRAC) Not applicable
Herbicide Resistance Classification (WSSA) Not applicable
Insecticide Resistance Classification (IRAC) 1B
Fungicide Resistance Classification (FRAC) Not applicable
Examples of recorded resistance Bemisia tabaci
Boophilus microplus
Cacopsylla pyri
Earias vittella
Lygus hesperus
Spodoptera littoralis
many others
Physical state Colourless crystals when pure reddish-brown as technical substance
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
  • BASF
  • AgroCare
  • King Tech Corp
  • United Phosphorus
Example products using this active
  • Nuvacron
  • Crisodrin
  • Monophos
  • Monodrin
  • Phoskill
UK LERAP status No UK approval for use or outside scope
Formulation and application details Available as a water soluble concentrate and ULV formulation.


ENVIRONMENTAL FATE

for monocrotophos

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) 818000 E3 High
Solubility - In organic solvents at 20oC (mg l-1) 700000 Q2 - Acetone -
1000000 Q2 - Methanol -
10000 E3 - Toluene -
292000 E3 - Ethanol -
Melting point (oC) 54 G3 -
Boiling point (oC) - - -
Degradation point (oC) - - -
Flashpoint (oC) - - -
Octanol-water partition coefficient at pH 7, 20oC P 6.03 X 10-01 Calculated -
Log P -0.22 G3 Low
Bulk density (g ml-1)/Specific gravity 1.16 Q2 -
Dissociation constant (pKa) at 25oC - - -
Note:
Vapour pressure at 25oC (mPa) 0.29 G3 Volatile
Henry's law constant at 25oC (Pa m3 mol-1) - - -
Henry's law constant at 20oC (dimensionless) 3.25 X 10-11 Calculated Non-volatile
GUS leaching potential index Click here for a note on the limitations of the GUS index 2.30 Calculated Transition state
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 1.55 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 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
Soil degradation (days) (aerobic) DT50 (typical) 7 G3 Non-persistent
DT50 (lab at 20oC) - - -
DT50 (field) 30 F3 Moderately persistent
DT90 (lab at 20oC) - - -
DT90 (field) - - -
Note Literature values for soil DT50 range 1-35 days
Plant matrix DT50 (days) Value 4.0 R4 -
Note DT50 range 0.9 - 16.0 days, 9 crops/plants, various matches
Aqueous photolysis DT50 (days) at pH 7 Value 26 P3 Slow
Note -
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value 134 P3 Persistent
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 - P3 Mobile
Koc 19
Notes and range Literature values for Koc range 0.9-30.8 mL/g
Freundlich Kf - - -
Kfoc -
1/n -
Notes and range -
pH sensitivity -


ECOTOXICOLOGY

for monocrotophos

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) Low risk Q3 Based on LogP < 3 Low potential
CT50 (days) - -
Mammals - Acute oral LD50 (mg kg-1) 14 F4 Rat High
Mammals - Short term dietary NOEL (mg kg-1) - - -
(ppm diet) - -
Birds - Acute LD50 (mg kg-1) > 0.94 G3 Colinus virginianus High
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) > 7.0 G3 Oncorhynchus mykiss Moderate
Fish - Chronic 21 day NOEC (mg l-1) - - -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) 0.023 F3 Daphnia magna High
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) - - -
Algae - Chronic 96 hour NOEC, growth (mg l-1) - - -
Honeybees Contact acute 48 hour LD50 (μg bee-1) - - -
Oral acute 48 hour LD50 (μg bee-1) 0.02 R4 High
Unknown mode acute 48 hour LD50 (μg bee-1) - - -
Earthworms - Acute 14 day LC50 (mg kg-1) 35 R4 Moderate
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 monocrotophos

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) 14 F4 Rat High
Mammals - Dermal LD50 (mg kg-1 body weight) > 157 J4 Rat -
Mammals - Inhalation LC50 (mg l-1) - - -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) 0.0006 JMPR 1995 -
ARfD - Acute Reference Dose (mg kg-1bw day-1) 0.002 JMPR 1995 -
AOEL - Acceptable Operator Exposure Level - Systemic (mg kg-1bw day-1) - - -
Dermal penetration studies (%) - - -
Dangerous Substances Directive 76/464 List I; List II - -
Exposure Limits [TLV: 0.25 mg/m3], [PEL: 0.25 mg/m3] G3 -
Exposure Routes Public Minimal risk from food residues
Exposure by general public unlikely
Occupational Full protective clothing required including respirator to minimise operator and worker exposure
May be absorbed through skin
European MRLs Click here for the EU MRL pesticide database
Drinking Water MAC (μg l-1) - - -

Health issues:
Carcinogen Mutagen Endocrine disrupter Reproduction / development effects Cholinesterase inhibitor Neurotoxicant

-

Respiratory tract irritant Skin irritant Skin sensitiser Eye irritant Phototoxicant

-

-

General human health issues Highly toxic orally

: 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 Corrosive
IMDG Transport Code is 6.1
CLP classification 2013 Health: H300, H311; H330; H340
Environment: H400, H410
EC Risk Classification Click here to view information omn the EU risk phrases T+ : Very toxic: R26/28, R68
T - Toxic: R24
N - Dangerous for the environment: R50, R53
EC Safety Classification Click here to view information omn the EU safety phrases S1/2, S36/37, S45, S60, S61
WHO Classification Ib - Highly hazardous
US EPA Classification (formulation) No consensus across products or no products available - -
UN Number 2783
Waste disposal & packaging Click here for a description of UN packaging marks -


TRANSLATIONS

for monocrotophos

Language Name
English monocrotophos
French monocrotophos
German Monocrotophos
Danish -
Italian -
Spanish monocrotofos
Greek -
Slovenian -
Polish monokrotofos
Swedish -
Hungarian -
Dutch -

Record last updated: Sunday 14 August 2016
Contact: aeru@herts.ac.uk