| bromofenoxim (Ref: C9122) |
 |
Environmental Fate - Ecotoxicology - Human Health - A to Z Index - Home
GENERAL INFORMATION 
for bromofenoxim
Description: An obsolete phenoxy selective herbicide once used for grass and broad-leaved weed control especially in cereal crops
Example pests controlled: Brome grass; Barnyardgrass; Crabgrass; Fat hen; Lambsquarters
Example applications: Cereals; Miaze; Grass seed crops; New turf; Linseed (post-emergence)
Efficacy & activity: -
Availability status: Obsolete
Introduction & key dates: 1969, 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: 
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:
| Isomerism | - |
| Chemical formula | C13H7Br2N3O6 |
| Canonical SMILES | C1=CC(=C(C=C1[N+](=O)[O-])[N+](=O)[O-])ONC=C2C=C(C(=O)C(=C2)Br)Br |
| Isomeric SMILES | No data |
| International Chemical Identifier key (InChIKey) | XTFNPKDYCLFGPV-UHFFFAOYSA-N |
| International Chemical Identifier (InChI) | InChI=1S/C13H7Br2N3O6/c14-9-3-7(4-10(15)13(9)19)6-16-24-12-2-1-8(17(20)21)5-11(12)18(22)23/h1-6,19H/b16-6- |
| 2D structure diagram/image available? | Yes |
General status:
| Pesticide type | Herbicide | |||
| Substance group | Dinitrophenyl oxime | |||
| Minimum active substance purity | - | |||
| Known relevant impurities | - | |||
| Substance origin | Synthetic | |||
| Mode of action | Photosynthesis inhibitor with contact action, generates bromoxynil | |||
| CAS RN | 13181-17-4 | |||
| EC number | 236-129-6 | |||
| CIPAC number | 269 | |||
| US EPA chemical code | 287200 | |||
| PubChem CID | 5360414 | |||
| Molecular mass (g mol-1) | 461.0 | |||
| PIN (Preferred Identification Name) | 2,6-dibromo-4-[(E)-N-(2,4-dinitrophenoxy)methanimidoyl]phenol | |||
| IUPAC name | 3,5-dibromo-4-hydroxybenzaldehyde 2,4-dinitrophenyloxime | |||
| CAS name | 3,5-dibromo-4-hydroxybenzaldehyde O-(2,4-dinitrophenyl)oxime | |||
| Other status information | - | |||
| Relevant Environmental Water Quality Standards | - | |||
| Herbicide Resistance Classification (HRAC) | C3 | |||
| Herbicide Resistance Classification (WSSA) | 6 | |||
| Insecticide Resistance Classification (IRAC) | Not applicable | |||
| Fungicide Resistance Classification (FRAC) | Not applicable | |||
| Examples of recorded resistance | - | |||
| Physical state | Off-white coloured crystals | |||
| Related substances & organisms | - | |||
Formulations:
| Property |
Value | |||
| Example manufacturers & suppliers of products using this active now or historically |
|
|||
| Example products using this active |
|
|||
| UK LERAP status | No UK approval for use as a pesticide under EC Regulation 1107/2009 | |||
| Formulation and application details | Usually supplied as a wettable powder, a suspension concentrate or as a soluble concentrate. | |||
ENVIRONMENTAL FATE
for bromofenoxim
| Property |
Value | Source/Quality Score/Other Information |
Interpretation |
|
| Solubility - In water at 20oC (mg l-1) | 9.0 | V3 - @ 25 DegC | Low | |
| Solubility - In organic solvents at 20oC (mg l-1) | 200.0 | L3 - Hexane | - | |
| 400 | L3 - Isopropanol | - | ||
| 9900 | L3 - Acetone | - | ||
| 200 | L3 - n-Octanol | - | ||
| Melting point (oC) | 196 | Q3 | - | |
| Boiling point (oC) | - | - | - | |
| Degradation point (oC) | - | - | - | |
| Flashpoint (oC) | - | - | - | |
| Octanol-water partition coefficient at pH 7, 20oC | P | 2.00 X 1003 | Calculated | - |
| Log P | 3.3 | V3 | High | |
| Bulk density (g ml-1)/Specific gravity | - | - | - | |
| Dissociation constant (pKa) at 25oC | 5.46 | V3 | - | |
| Note: Weak acid | ||||
| Vapour pressure at 20oC (mPa) | 1.16 X 10-06 | V3 - @ 25 degC | Low volatility | |
| Henry's law constant at 25oC (Pa m3 mol-1) | 1.10 X 10-09 | V3 - @ 25 degC | Non-volatile | |
GUS leaching potential index  |
0.38 | Calculated | Low leachability | |
| SCI-GROW groundwater index (μg l-1) for a 1 kg ha-1 or 1 l ha-1 application rate |
Value | 1.01 X 10-03 | Calculated | - |
| Note | - | |||
| Potential for particle bound transport index |
- | Calculated | High | |
| Maximum UV-vis absorption L mol-1 cm-1 | - | - | - | |
| Surface tension (mN m-1) | - | - | - | |
Degradation:
| Property |
Value | Source/Quality Score/Other Information |
Interpretation |
General biodegradability | - |
| Soil degradation (days) (aerobic) | DT50 (typical) | 53 | Q3 | Moderately persistent |
| DT50 (lab at 20oC) | 2.5 | L3 | Non-persistent | |
| DT50 (field) | - | - | - | |
| DT90 (lab at 20oC) | 2.5 | L3 | - | |
| DT90 (field) | - | - | - | |
| DT50 modelling endpoint | - | - | - | |
| Note | General literature DT50: 0.7-145 days (R3) | |||
| 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 | 25 | Q3 | Non-persistent |
| Note | - | |||
| Water-sediment DT50 (days) | 7 | K4 | Fast | |
| Water phase only DT50 (days) | 1 | K4 | Moderately fast | |
Soil adsorption and mobility:
| Property |
Value | Source/Quality Score/Other Information |
Interpretation |
|
| Linear | Kd | - | P3 | Slightly mobile |
| Koc | 1100 | |||
| Notes and range | Best available data | |||
| Freundlich | Kf | - | - | - |
| Kfoc | - | |||
| 1/n | - | |||
| Notes and range | - | |||
| pH sensitivity | - | |||
Other known metabolites:
| Metabolite name and reference | Aliases | Formation medium / Rate | Estimated maximum occurrence fraction | Metabolising enzymes |
| bromoxynil (Ref: ENT 20852) Note: K4 |
- | Plant | - | - |
ECOTOXICOLOGY
for bromofenoxim
| Property |
Value | Source/Quality Score/Other Information |
Interpretation |
|
| Bio-concentration factor | BCF (l kg-1) | 99 | Q2 Estimated | Low potential |
| CT50 (days) | Not available | - | ||
| Mammals - Acute oral LD50 (mg kg-1) | > 1100 | V3 Rat | Moderate | |
| Mammals - Short term dietary NOEL | (mg kg-1) | - | - | - |
| (ppm diet) | - | - | ||
| Birds - Acute LD50 (mg kg-1) | > 5560 | L3 Coturnix japonica | Low | |
| Birds - Short term dietary (LC50/LD50) | - | - | - | |
| Fish - Acute 96 hour LC50 (mg l-1) | 0.18 | L3 Oncorhynchus mykiss | Moderate | |
| Fish - Chronic 21 day NOEC (mg l-1) | - | - | - | |
| Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) | 1.2 | L3 Daphnia magna | 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) | 2.3 | K3 Unknown species | Moderate | |
| 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) | - | - | - | |
| Earthworms - Acute 14 day LC50 (mg kg-1) | 1300 | Q3 Unknown species | Low | |
| 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 | Harmful | Dose: 5100 g ha-1 AA3 Typhlodromus pyri |
- | |
| Other arthropod (2) | LR50 g ha-1 | - | - | - |
| % Effect | Harmless | Dose: 5100 g ha-1 AA3 Chrysoperla carnea |
- | |
| Soil micro-organisms | - | - | - | |
| Mesocosm study data | NOEAEC mg l-1 | - | - | - |
| NOEAEC mg l-1 | - | - | - | |
HUMAN HEALTH AND PROTECTION
for bromofenoxim
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) | > 1100 | V3 Rat | Moderate | |
| Mammals - Dermal LD50 (mg kg-1 body weight) | > 3000 | L3 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) | - | - | - | |
| 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 Limits | - | - | - | |
| 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 | Mutagen | Endocrine disrupter | Reproduction / development effects | Cholinesterase inhibitor | Neurotoxicant | |||
- |
- |
- |
- |
|
- |
|||
| Respiratory tract irritant | Skin irritant | Skin sensitiser | Eye irritant | Phototoxicant | ||||
- |
|
- |
|
- |
|
|||
| General human health issues | Harmful if swallowed | |||||||
: 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 |
No information available | |||
| CLP classification 2013 | Health: H302 Environment: H400, H410 |
|||
| EC Risk Classification |
Xn - Harmful: R22 N - Dangerous for the environment: R50, R53 |
|||
| EC Safety Classification |
S2, S25, S60, S61 | |||
| WHO Classification | O/III | - | - | |
| US EPA Classification (formulation) | No consensus across products or no products available | - | - | |
| UN Number | - | |||
| Waste disposal & packaging |
- | |||
| Language | Name |
| English | bromofenoxim |
| French | bromophenoxyme |
| German | Bromofenoxim |
| Danish | bromofenoxim |
| Italian | bromofenoxim |
| Spanish | bromofenoxim |
| Greek | bromofenoxim |
| Slovenian | bromofenoksim |
| Polish | bromofenoksym |
| Swedish | - |
| Hungarian | - |
| Dutch | bromofenoxim |
Record last updated: Wednesday 23 May 2018
Contact: aeru@herts.ac.uk