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aldicarb (Ref: ENT 27093)
** carbamic acid ** UC 21149 ** carbamyl ** Translations

Environmental Fate - Ecotoxicology - Human Health - A to Z Index - Home

SUMMARY

Aldicarb is an insecticide that is not approved for use in the EU. It is highly soluble and volatile. It is not persistent in soil but may be in in aqueous sustems. It is highly toxic to humans but has a low potential to bioaccumulate. It is a known endocrine disrupter, a neurotoxin and an inhibitor of acetyl cholinesterase. It is highly toxic to birds and honeybees, and moderately toxic to most aquatic organisms and earthworms.

GENERAL INFORMATION
for aldicarb

Description: A soil applied, insecticide and nematicide used to control chewing, sucking and soil dwelling insects

Introduction: 1970, USA

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

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

HU

IE

IT

LT

LU

LV

MT

NL

PL

PT

RO

SE

SI

SK

UK

Also registered in: Australia, USA

General status:
Pesticide type Insecticide, Acaricide, Nematicide
Substance group Carbamate
Substance origin Synthetic
Mode of action Systemic with contact and stomach action absorbed through roots. Acetylcholinesterase (AChE) inhibitor.
CAS RN 116-06-3
EC number 204-123-2
CIPAC number 215
US EPA chemical code 098301
Chiral molecule No
Chemical formula C7H14N2O2S
SMILES O=C(O\N=C\C(SC)(C)C)NC
International Chemical Identifier key (InChIKey) -
International Chemical Identifier (InChI) InChI=1/C7H14N2O2S/c1-7(2,12-4)5-9-11-6(10)8-3/h5H,1-4H3,(H,8,10)/b9-5+
Structure diagram/image available? Yes
Molecular mass (g mol-1) 190.26
PIN (Preferred Identification Name) (5E)-7,7-dimethyl-4-oxa-8-thia-2,5-diazanon-5-en-3-one
IUPAC name (EZ)-2-methyl-2-(methylthio)propionaldehyde O-methylcarbamoyloxime
CAS name 2-methyl-2-(methylthio)propanal O-[(methylamino)carbonyl]oxime
Other status information PAN Dirty Dozen; Potential groundwater contaminant; Marine Pollutant
Herbicide Resistance Classification (HRAC) Not applicable
Herbicide Resistance Classification (WSSA) Not applicable
Insecticide Resistance Classification (IRAC) 1A
Fungicide Resistance Classification (FRAC) Not applicable
Physical state White crystals
Related substances & organisms -

Formulations:
Property Value
Example manufacturers & suppliers of products using this active
  • Bayer CropScience
Example products using this active
  • Temik
UK LERAP status None
Formulation and application details Products are usually supplied as granular formulations.


ENVIRONMENTAL FATE

for aldicarb

Property Value Source/Quality Score/Other Information Interpretation
Solubility - In water at 20oC (mg l-1) 4930 B5 High
Solubility - In organic solvents at 20oC (mg l-1) 180000 B4 - Benzene -
110000 B3 - Toluene -
470000 B4 - Dichloromethane -
380000 B4 - Acetone -
Melting point (oC) 99 L3 -
Boiling point (oC) Decomposes before boiling V3 -
Degradation point (oC) - - -
Flashpoint (oC) Not expected to self ignite; Not highly flammable V3 -
Octanol-water partition coefficient at pH 7, 20oC P 1.41 X 1001 Calculated -
Log P 1.15 B5 Low
Bulk density (g ml-1)/Specific gravity 1.2 L3 -
Dissociation constant (pKa) at 25oC Not applicable Q3 -
Note: No dissociation
Vapour pressure at 25oC (mPa) 3.87 B5 Intermediate state
Henry's law constant at 25oC (Pa m3 mol-1) 1.25 X 10-05 H4 Non-volatile
Henry's law constant at 20oC (dimensionless) 2.20 X 10-07 K3 Non-volatile
GUS leaching potential index 2.52 Calculated Transition state
SCI-GROW groundwater index (μg l-1) for a 1 kg ha-1 or 1 l ha-1 application rate Value 2.16 X 10-03 Calculated -
Note -
Potential for particle bound transport index - Calculated Low
Maximum UV-vis absorption L mol-1 cm-1 - - -
Surface tension (mN m-1) - - -

Degradation:
Property Value Source/Quality Score/Other Information Interpretation
Soil degradation (days) (aerobic) DT50 (typical) 10 Q3 Non-persistent
DT50 (lab at 20oC) 2.4 B5 Non-persistent
DT50 (field) 2 R3 Non-persistent
DT90 (lab at 20oC) - - -
DT90 (field) - - -
Note Literature values DT50 range 1-60 days
Aqueous photolysis DT50 (days) at pH 7 Value 8 K4 Moderately fast
Note -
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value 189 K4 Persistent
Note Hydrolysis is not greatly pH sensitive except in concentrated alkaline media
Water-sediment DT50 (days) 6 K3 Fast
Water phase only DT50 (days) - - -

Soil adsorption and mobility:
Property Value Source/Quality Score/Other Information Interpretation
Linear Kd - R3 Mobile
Koc 36
Notes and range General literature Koc 7.08-46.77 mL/g
Freundlich Kf 1.29 G3 Mobile
Kfoc 30
1/n 0.9
Notes and range Mean of 4 soils, 5 values. Sandy loam Kf=0.19; Loamy sand Kf=0.22; Loam Kf=2.47; Silt loam Kf=1.13
pH sensitivity -

Key metabolites:
Metabolite Formation medium Estimated maximum occurrence fraction 91/414 relevancy
2-methyl-2-(methylsulfinyl)propanal O-((methylamino)carbonyl)oxime Soil   0.9   Major fraction, Relevancy unknown
aldoxycarb Soil   0.2   Major fraction, Relevancy unknown

Other known metabolites:
Metabolite name and reference Aliases Formation medium / Rate Estimated maximum occurrence fraction Metabolising enzymes
aldicarb sulfone
Note: DT50 soil = 48 days
- a = Soil; b = Plant; c = Rat (Urinary) a=0.200 -
aldicarb nitrile - Soil; Plant; Rat (Urinary) - -
aldicarb acid - Soil - -


ECOTOXICOLOGY

for aldicarb

Property Value Source/Quality Score/Other Information Interpretation
Bio-concentration factor BCF 42 P4 Low potential
CT50 (days) Not available -
Bioaccumulation potential - Calculated Low
Mammals - Acute oral LD50 (mg kg-1) 0.93 F4 Rat High
Mammals - Short term dietary NOEL (mg kg-1) - - -
(ppm diet) - -
Birds - Acute LD50 (mg kg-1) 3.4 F3 Anas platyrhynchos High
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) 0.56 L3 Oncorhynchus mykiss Moderate
Fish - Chronic 21 day NOEC (mg l-1) 1.37 Q2 Unknown species -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) 0.42 F4 Daphnia magna Moderate
Aquatic invertebrates - Chronic 21 day NOEC (mg l-1) 0.035 L2 Daphnia magna -
Aquatic crustaceans - Acute 96 hour LC50 (mg l-1) - - -
Sediment dwelling organisms - Acute 96 hour LC50 (mg l-1) 0.004 F3 Chironomus riparius, 1 day High
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) - - -
Algae - Acute 72 hour EC50, growth (mg l-1) 50 F3 Skeletonema costatum Low
Algae - Chronic 96 hour NOEC, growth (mg l-1) - - -
Honeybees Contact acute 48 hour LD50 (μg bee-1) > 0.28 R4 High
Oral acute 48 hour LD50 (μg bee-1) - - -
Unknown mode acute 48 hour LD50 (μg bee-1) - - -
Earthworms - Acute 14 day LC50 (mg kg-1) 65 F4 Eisenia foetida 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 aldicarb

General:
Property Value Source/Quality Score/Other Information Interpretation
Mammals - Acute oral LD50 (mg kg-1) 0.93 F4 Rat High
Mammals - Dermal LD50 (mg kg-1 body weight) 20 L3 Rabbit -
Mammals - Inhalation LC50 (mg l-1) 0.004 L3 Rat -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) 0.003 JMPR 1995 -
ARfD - Acute Reference Dose (mg kg-1bw day-1) 0.003 JMPR 1995 -
AOEL - Acceptable Operator Exposure Level - Systemic (mg kg-1bw day-1) - - -
Dermal penetration studies (%) - - -
Dangerous Substances Directive 76/464 - - -
Exposure Limits - - -
Exposure Routes Public Consumer exposure to aldicarb and its toxic metabolites (the sulfoxide and sulfone) occurs mainly through food residues
Occupational -
Examples of European MRLs (mg kg-1) Value -
Note For the EU pesticides database click here
Drinking Water MAC (μg l-1) - - -

Health issues:
Carcinogen Mutagen Endocrine disrupter Reproduction / development effects Cholinesterase inhibitor Neurotoxicant Respiratory tract irritant Skin irritant Eye irritant

General human health issues Highly toxic

: Yes, known to cause a problem
: No, known not to cause a problem
: Possibly, status not identified
- : No data

Handling issues:
Property Value Source/Quality Score/Other Information Interpretation
General No information available
CLP classification 2013 Danger: H330, H311, H300
Environment: H400, H410
EC Risk Classification T+ - Very toxic: R26/28
T - Toxic: R24
N - Dangerous for the environment: R50, R53
EC Safety Classification S1/2, S22, S36/37, S45, S61,S60
WHO Classification Ia - Extremely hazardous
US EPA Classification (formulation) I - Danger - Highly toxic
UN Number 2757
Waste disposal & packaging -


TRANSLATIONS

for aldicarb

Language Name
English aldicarb
French aldicarbe
German Aldicarb
Danish aldicarb
Italian aldicarb
Spanish aldicarb
Greek -
Slovenian aldikarb
Polish aldikarb
Swedish -
Hungarian aldikarb
Dutch aldicarb

Record last updated: Saturday 28 June 2014
Contact: aeru@herts.ac.uk