| bufencarb (Ref: RE-5353) |
 |
Environmental Fate - Ecotoxicology - Human Health - A to Z Index - Home
GENERAL INFORMATION 
for bufencarb
Description: An obsolete carbamate insecticide that was used to control a range of soil and foliage insects
Example pests controlled: Corn rootworm larvea; Rice stemborers; Rice green leafhoppers; Root mealbugs
Example applications: Corn - grain, forage, fodder, maize; Rice
Availability status: Obsolete
Introduction & key dates: -
EC Regulation 1107/2009 (repealing 91/414):
| Status | Not listed |
| Dossier rapporteur/co-rapporteur | Not applicable |
| Date inclusion expires | Not applicable |
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 |
HR |
HU |
IE |
IT |
LT |
LU |
LV |
MT |
NL |
PL |
PT |
RO |
SE |
SI |
SK |
UK |
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General status:
| Pesticide type | Insecticide | |||
| Substance group | Carbamate | |||
| Minimum active substance purity | - | |||
| Known relevant impurities | - | |||
| Substance origin | Synthetic | |||
| Mode of action | Acetylcholine esterase inhibitor | |||
| CAS RN | 8065-36-9 | |||
| Alternative/old CAS RN | 2282-34-0 / 672-94-8 | |||
| EC number | - | |||
| CIPAC number | - | |||
| US EPA chemical code | 059301 | |||
| Chiral molecule | Chiral, a specific isomer or a derivative of a chiral molecule | |||
| Chemical formula | C13H19NO2.C13H19NO2 | |||
| SMILES | C(NC)(=O)Oc1cc([C@@H](CCC)C)ccc1.c1(cc(ccc1)C(CC)CC)OC(NC)=O | |||
| International Chemical Identifier key (InChIKey) | SMSFWBAOKCZZBF-UHFFFAOYSA-N | |||
| International Chemical Identifier (InChI) | InChI=1S/2C13H19NO2/c1-4-6-10(2)11-7-5-8-12(9-11)16-13(15)14-3;1-4-10(5-2)11-7-6-8-12(9-11)16-13(15)14-3/h5,7-10H,4,6H2,1-3H3,(H,14,15);6-10H,4-5H2,1-3H3,(H,14,15) | |||
| Structure diagram/image available? | Yes | |||
| Molecular mass (g mol-1) | 442.6 | |||
| PIN (Preferred Identification Name) | reaction product in which the main components are rac-(2R)-3-(pentan-2-yl)phenyl methylcarbamate and 3-(pentan-3-yl)phenyl methylcarbamate | |||
| IUPAC name | reaction product in which the main components are (RS)-3-(1-methylbutyl)phenyl methylcarbamate and 3-(1-ethylpropyl)phenyl methylcarbamate | |||
| CAS name | 3-(1-ethylpropyl)phenyl methylcarbamate mixture with 3-(1-methylbutyl)phenyl methylcarbamate | |||
| Other status information | - | |||
| Herbicide Resistance Classification (HRAC) | Not applicable | |||
| Herbicide Resistance Classification (WSSA) | Not applicable | |||
| Insecticide Resistance Classification (IRAC) | 1A | |||
| Fungicide Resistance Classification (FRAC) | Not applicable | |||
| Examples of recorded resistance | Diabrotica virgifera | |||
| Physical state | Yellow-amber solid | |||
| Related substances & organisms | - | |||
Formulations:
| Property |
Value | |||
| Example manufacturers & suppliers of products using this active now or historically |
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| Example products using this active |
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| UK LERAP status | No UK approval for use or outside scope | |||
| Formulation and application details | No longer available. | |||
ENVIRONMENTAL FATE
for bufencarb
| Property |
Value | Source/Quality Score/Other Information |
Interpretation |
|
| Solubility - In water at 20oC (mg l-1) | 50.0 | Q3 | Moderate | |
| Solubility - In organic solvents at 20oC (mg l-1) | - | - | - | |
| Melting point (oC) | 32 | Q3 | - | |
| Boiling point (oC) | 125 | Q2 | - | |
| Degradation point (oC) | - | - | - | |
| Flashpoint (oC) | - | - | - | |
| Octanol-water partition coefficient at pH 7, 20oC | P | 4.07 X 1003 | Calculated | - |
| Log P | 3.61 | V3 | High | |
| Bulk density (g ml-1)/Specific gravity | - | - | - | |
| Dissociation constant (pKa) at 25oC | - | - | - | |
| Note: | ||||
| Vapour pressure at 25oC (mPa) | 73.59 | V3 | Highly volatile | |
| Henry's law constant at 25oC (Pa m3 mol-1) | 0.0111 | V3 | Non-volatile | |
| Henry's law constant at 20oC (dimensionless) | 2.67 X 10-04 | Calculated | Volatile | |
GUS leaching potential index  |
- | - | - | |
| SCI-GROW groundwater index (μg l-1) for a 1 kg ha-1 or 1 l ha-1 application rate |
Value | - | - | - |
| Note | - | |||
| Potential for particle bound transport index |
- | - | - | |
| 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) | - | - | - |
| DT50 (lab at 20oC) | - | - | - | |
| DT50 (field) | - | - | - | |
| DT90 (lab at 20oC) | - | - | - | |
| DT90 (field) | - | - | - | |
| Note | General literature states DT50 as rapid, a few days | |||
| Plant matrix DT50 (days) | Value | - | - | - |
| Note | - | |||
| Aqueous photolysis DT50 (days) at pH 7 | Value | - | - | - |
| Note | - | |||
| Aqueous hydrolysis DT50 (days) at 20oC and pH 7 | Value | - | - | - |
| Note | Increases in pH or temp increases rate of hydrolysis | |||
| Water-sediment DT50 (days) | - | - | - | |
| Water phase only DT50 (days) | - | - | - | |
Soil adsorption and mobility:
| Property |
Value | Source/Quality Score/Other Information |
Interpretation |
|
| Linear | Kd | - | - | - |
| Koc | - | |||
| Notes and range | - | |||
| Freundlich | Kf | - | - | - |
| Kfoc | - | |||
| 1/n | - | |||
| Notes and range | - | |||
| pH sensitivity | - | |||
| Property |
Value | Source/Quality Score/Other Information |
Interpretation |
|
| Bio-concentration factor | BCF (l kg-1) | - | - | - |
| CT50 (days) | - | - | ||
| Mammals - Acute oral LD50 (mg kg-1) | 61 | Q3 Rat | High | |
| Mammals - Short term dietary NOEL | (mg kg-1) | - | - | - |
| (ppm diet) | - | - | ||
| Birds - Acute LD50 (mg kg-1) | 42.1 | V3 Colinus virginianus | High | |
| Birds - Short term dietary (LC50/LD50) | - | - | - | |
| Fish - Acute 96 hour LC50 (mg l-1) | 0.046 | F3 Cyprinodon variegatus | High | |
| Fish - Chronic 21 day NOEC (mg l-1) | - | - | - | |
| Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) | - | - | - | |
| Aquatic invertebrates - Chronic 21 day NOEC (mg l-1) | - | - | - | |
| Aquatic crustaceans - Acute 96 hour LC50 (mg l-1) | 0.001 | F4 Americamysis bahia | High | |
| 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) | - | - | - | |
| Unknown mode acute 48 hour LD50 (μg bee-1) | > 1.65 | Q3 | Moderate | |
| 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 bufencarb
General:
| Property |
Value | Source/Quality Score/Other Information |
Interpretation |
|
| Threshold of Toxicological Concern (Cramer Class) |
High (class III) | - | - | |
| Mammals - Acute oral LD50 (mg kg-1) | 61 | Q3 Rat | High | |
| Mammals - Dermal LD50 (mg kg-1 body weight) | 163 | Q3 Rat | - | |
| 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) | - | - | - | |
| AOEL - Acceptable Operator Exposure Level - Systemic (mg kg-1bw day-1) | - | - | - | |
| Dermal penetration studies (%) | - | - | - | |
| Dangerous Substances Directive 76/464 | - | - | - | |
| Exposure Limits | - | - | - | |
| Exposure Routes | Public | - | ||
| Occupational | May be absorbed through the 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 | |||
- |
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- |
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| Respiratory tract irritant | Skin irritant | Skin sensitiser | Eye irritant | Phototoxicant | ||||
- |
- |
- |
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- |
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| General human health issues | No further information available | |||||||
: Yes, known to cause a problem
: No, known not to cause a problem
: Possibly, status not identified
- : No data found
Handling issues:
| Property |
Value | Source/Quality Score/Other Information |
Interpretation |
|
| General |
May decompose when exposed to sunlight | |||
| CLP classification 2013 | - | |||
| EC Risk Classification |
T - Toxic: R24/25 N - Dangerous for the environment: R50-53 |
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| EC Safety Classification |
S1/2, S28, S36/37, S45, S60, S61 | |||
| WHO Classification | O | - | Obsolete substance | |
| US EPA Classification (formulation) | - | - | ||
| UN Number | - | |||
| Waste disposal & packaging |
- | |||
| Language | Name |
| English | bufencarb |
| French | - |
| German | - |
| Danish | - |
| Italian | bufencarb |
| Spanish | - |
| Greek | - |
| Slovenian | - |
| Polish | - |
| Swedish | - |
| Hungarian | - |
| Dutch | - |
Record last updated: Friday 04 March 2016
Contact: aeru@herts.ac.uk