1.Identification
1.1 GHS Product identifier
Product name | bifenox |
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1.2 Other means of identification
Product number | - |
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Other names | 2,4-dichlorophenyl 3'-methoxycarbonyl-4'-nitrophenyl ether |
1.3 Recommended use of the chemical and restrictions on use
Identified uses | For industry use only. |
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Uses advised against | no data available |
1.4 Supplier's details
Company | MOLBASE (Shanghai) Biotechnology Co., Ltd. |
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Address | Floor 4 & 5, Building 12, No. 1001 North Qinzhou Road, Xuhui District, Shanghai, China |
Telephone | +86(21)64956998 |
Fax | +86(21)54365166 |
1.5 Emergency phone number
Emergency phone number | +86-400-6021-666 |
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Service hours | Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours). |
2.Hazard identification
2.1 Classification of the substance or mixture
Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1
Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 1
2.2 GHS label elements, including precautionary statements
Pictogram(s) | |
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Signal word | Warning |
Hazard statement(s) | H410 Very toxic to aquatic life with long lasting effects |
Precautionary statement(s) | |
Prevention | P273 Avoid release to the environment. |
Response | P391 Collect spillage. |
Storage | none |
Disposal | P501 Dispose of contents/container to ... |
2.3 Other hazards which do not result in classification
none
3.Composition/information on ingredients
3.1 Substances
Chemical name | Common names and synonyms | CAS number | EC number | Concentration |
---|---|---|---|---|
bifenox | bifenox | 42576-02-3 | none | 100% |
4.First-aid measures
4.1 Description of necessary first-aid measures
General advice
Consult a physician. Show this safety data sheet to the doctor in attendance.
If inhaled
If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
In case of skin contact
Wash off with soap and plenty of water. Consult a physician.
In case of eye contact
Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
If swallowed
Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.
4.2 Most important symptoms/effects, acute and delayed
no data available
4.3 Indication of immediate medical attention and special treatment needed, if necessary
Basic treatment: Establish a patent airway. Suction if necessary. Watch for signs of respiratory insufficiency and assist ventilations if needed. Administer oxygen by nonrebreather mask at 10 to 15 L/min. Monitor for pulmonary edema and treat if necessary ... . Monitor for shock and treat if necessary ... . Anticipate seizures and treat if necessary ... . For eye contamination, flush eyes immediately with water. Irrigate each eye continuously with normal saline during transport ... . Do not use emetics. For ingestion, rinse mouth and administer 5 ml/kg up to 200 ml of water for dilution if the patient can swallow, has a strong gag reflex, and does not drool ... . Cover skin burns with dry sterile dressings after decontamination ... . /Poison A and B/
5.Fire-fighting measures
5.1 Extinguishing media
Suitable extinguishing media
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
5.2 Specific hazards arising from the chemical
no data available
5.3 Special protective actions for fire-fighters
Wear self-contained breathing apparatus for firefighting if necessary.
6.Accidental release measures
6.1 Personal precautions, protective equipment and emergency procedures
Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8.
6.2 Environmental precautions
Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided.
6.3 Methods and materials for containment and cleaning up
Pick up and arrange disposal. Sweep up and shovel. Keep in suitable, closed containers for disposal.
7.Handling and storage
7.1 Precautions for safe handling
Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure - obtain special instructions before use.Provide appropriate exhaust ventilation at places where dust is formed. For precautions see section 2.2.
7.2 Conditions for safe storage, including any incompatibilities
Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
8.Exposure controls/personal protection
8.1 Control parameters
Occupational Exposure limit values
no data available
Biological limit values
no data available
8.2 Appropriate engineering controls
Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday.
8.3 Individual protection measures, such as personal protective equipment (PPE)
Eye/face protection
Safety glasses with side-shields conforming to EN166. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
Skin protection
Wear impervious clothing. The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique(without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it.
Respiratory protection
Wear dust mask when handling large quantities.
Thermal hazards
no data available
9.Physical and chemical properties
Physical state | no data available |
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Colour | Solid |
Odour | Slightly aromatic odor |
Melting point/ freezing point | 83 - 85ºC |
Boiling point or initial boiling point and boiling range | 421ºC at 760mmHg |
Flammability | no data available |
Lower and upper explosion limit / flammability limit | no data available |
Flash point | 208.4ºC |
Auto-ignition temperature | no data available |
Decomposition temperature | no data available |
pH | no data available |
Kinematic viscosity | no data available |
Solubility | Solubility in xylene at 25°C: 30% |
Partition coefficient n-octanol/water (log value) | log Kow = 4.48 |
Vapour pressure | 2.4X10-6 mm Hg @ 25°C |
Density and/or relative density | 1.464g/cm3 |
Relative vapour density | no data available |
Particle characteristics | no data available |
10.Stability and reactivity
10.1 Reactivity
no data available
10.2 Chemical stability
Thermally stable up to 175°C; total decomp occurs above 290°C. Stable in slightly acidic or slightly alkaline media, but rapidly hydrolysed above pH 9.
10.3 Possibility of hazardous reactions
no data available
10.4 Conditions to avoid
no data available
10.5 Incompatible materials
no data available
10.6 Hazardous decomposition products
no data available
11.Toxicological information
Acute toxicity
- Oral: LD50 Rat oral >5000 mg tech./kg
- Inhalation: no data available
- Dermal: LD50 Rabbit percutaneous >2000 mg/kg
Skin corrosion/irritation
no data available
Serious eye damage/irritation
no data available
Respiratory or skin sensitization
no data available
Germ cell mutagenicity
no data available
Carcinogenicity
no data available
Reproductive toxicity
no data available
STOT-single exposure
no data available
STOT-repeated exposure
no data available
Aspiration hazard
no data available
12.Ecological information
12.1 Toxicity
- Toxicity to fish: no data available
- Toxicity to daphnia and other aquatic invertebrates: no data available
- Toxicity to algae: no data available
- Toxicity to microorganisms: no data available
12.2 Persistence and degradability
AEROBIC: Decarboxylation and N-acylation has been identified as cleavage reaction pathways for bifenox in soil(1). Biodegradation of bifenox has been shown to be limited to simple transformations such as the reduction of the nitro group with the most prominent metabolites being the corresponding anthranilic acid and nitrofen(2). Also observed when using C14-labelled compound, >60% of applied bifenox was found bound to the soil after 300 days(2). Bifenox exhibited a half-life of 3 to 7 days following preemergence application to a greenhouse soil; metabolites identified included 5-(2,4-dichlorophenoxy)-2-nitrobenzoic acid, nitrofen, and 5-(2,4-dichlorophenoxy) anthranilic acid over a 313-day period with an increase in the proportion of bound material(3). In non-flooded paddy soils, bifenox was degraded rapidly with a half-life of 6 days; the free acid was the main degradation product(4).
12.3 Bioaccumulative potential
An estimated BCF of 560 was calculated for bifenox(SRC), using a log Kow of 4.48(1) and a regression-derived equation(2). According to a classification scheme(3), this BCF suggests the potential for bioconcentration in aquatic organisms is high(SRC). However, hydrolysis may attenuate this process(4). Radiolabeled bifenox, introduced to a model 33-day rice paddy ecosystem sand at a 1.29 kg/ha dosage, exhibited a comparatively low ecological magnification value of 49 in mosquito fish (Gambusia) as compared with the other rice paddy herbicides examined in this study, for example 1,546 for nitrofen and 867 formethoxy-nitrofen(4).
12.4 Mobility in soil
Kocs for bifenox have been reported ranging from 2,658 to 3,107(1). According to a classification scheme(2), these Koc values suggest that bifenox is expected to have slight to no mobility in soil. The sorption kinetics for bifenox were characterized by immediate rapid sorption with 30-70% of the added chemical adsorbed within the first 4 hrs, followed by a slow sorption over a longer time period(3). Slight desorption (10%) was noted after 24 hrs(3). In runoff experiments, it was shown that poorly soluble compounds like bifenox are only removed from fields as a result of heavy, erosive rainfalls on areas with a slope >10%; concn in soil before irrigation was 0.78 mg/kg in the 0-5 cm layer, after irrigation concns were in 0.77, 0.01, and 0.01 mg/kg at soil depths of 0-5, 5-10, and 10-15 cm, respectively(4).
12.5 Other adverse effects
no data available
13.Disposal considerations
13.1 Disposal methods
Product
The material can be disposed of by removal to a licensed chemical destruction plant or by controlled incineration with flue gas scrubbing. Do not contaminate water, foodstuffs, feed or seed by storage or disposal. Do not discharge to sewer systems.
Contaminated packaging
Containers can be triply rinsed (or equivalent) and offered for recycling or reconditioning. Alternatively, the packaging can be punctured to make it unusable for other purposes and then be disposed of in a sanitary landfill. Controlled incineration with flue gas scrubbing is possible for combustible packaging materials.
14.Transport information
14.1 UN Number
ADR/RID: UN3077 | IMDG: UN3077 | IATA: UN3077 |
14.2 UN Proper Shipping Name
ADR/RID: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. |
IMDG: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. |
IATA: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. |
14.3 Transport hazard class(es)
ADR/RID: 9 | IMDG: 9 | IATA: 9 |
14.4 Packing group, if applicable
ADR/RID: III | IMDG: III | IATA: III |
14.5 Environmental hazards
ADR/RID: yes | IMDG: yes | IATA: yes |
14.6 Special precautions for user
no data available
14.7 Transport in bulk according to Annex II of MARPOL 73/78 and the IBC Code
no data available
15.Regulatory information
15.1 Safety, health and environmental regulations specific for the product in question
Chemical name | Common names and synonyms | CAS number | EC number |
---|---|---|---|
bifenox | bifenox | 42576-02-3 | none |
European Inventory of Existing Commercial Chemical Substances (EINECS) | Listed. | ||
EC Inventory | Listed. | ||
United States Toxic Substances Control Act (TSCA) Inventory | Not Listed. | ||
China Catalog of Hazardous chemicals 2015 | Not Listed. | ||
New Zealand Inventory of Chemicals (NZIoC) | Not Listed. | ||
Philippines Inventory of Chemicals and Chemical Substances (PICCS) | Not Listed. | ||
Vietnam National Chemical Inventory | Listed. | ||
Chinese Chemical Inventory of Existing Chemical Substances (China IECSC) | Not Listed. |
16.Other information
Information on revision
Creation Date | Aug 15, 2017 |
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Revision Date | Aug 15, 2017 |
Abbreviations and acronyms
- CAS: Chemical Abstracts Service
- ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
- RID: Regulation concerning the International Carriage of Dangerous Goods by Rail
- IMDG: International Maritime Dangerous Goods
- IATA: International Air Transportation Association
- TWA: Time Weighted Average
- STEL: Short term exposure limit
- LC50: Lethal Concentration 50%
- LD50: Lethal Dose 50%
- EC50: Effective Concentration 50%
References
- IPCS - The International Chemical Safety Cards (ICSC), website: http://www.ilo.org/dyn/icsc/showcard.home
- HSDB - Hazardous Substances Data Bank, website: https://toxnet.nlm.nih.gov/newtoxnet/hsdb.htm
- IARC - International Agency for Research on Cancer, website: http://www.iarc.fr/
- eChemPortal - The Global Portal to Information on Chemical Substances by OECD, website: http://www.echemportal.org/echemportal/index?pageID=0&request_locale=en
- CAMEO Chemicals, website: http://cameochemicals.noaa.gov/search/simple
- ChemIDplus, website: http://chem.sis.nlm.nih.gov/chemidplus/chemidlite.jsp
- ERG - Emergency Response Guidebook by U.S. Department of Transportation, website: http://www.phmsa.dot.gov/hazmat/library/erg
- Germany GESTIS-database on hazard substance, website: http://www.dguv.de/ifa/gestis/gestis-stoffdatenbank/index-2.jsp
- ECHA - European Chemicals Agency, website: https://echa.europa.eu/
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