| Product name | oxydemeton-methyl |
|---|
| Product number | - |
|---|---|
| Other names | Oxydemetonmethyl |
| Identified uses | For industry use only. Insecticide |
|---|---|
| Uses advised against | no data available |
| Company | MOLBASE (Shanghai) Biotechnology Co., Ltd. |
|---|---|
| Address | Floor 4 & 5, Building 12, No. 1001 North Qinzhou Road, Xuhui District, Shanghai, China |
| Telephone | +86(21)64956998 |
| Fax | +86(21)54365166 |
| Emergency phone number | +86-400-6021-666 |
|---|---|
| Service hours | Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours). |
Acute toxicity - Oral, Category 3
Acute toxicity - Dermal, Category 3
Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1
2.2 GHS label elements, including precautionary statements| Pictogram(s) |   |
|---|---|
| Signal word | Danger |
| Hazard statement(s) | H301 Toxic if swallowed H311 Toxic in contact with skin H400 Very toxic to aquatic life |
| Precautionary statement(s) | |
| Prevention | P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection. P273 Avoid release to the environment. |
| Response | P301+P310 IF SWALLOWED: Immediately call a POISON CENTER/doctor/… P321 Specific treatment (see ... on this label). P330 Rinse mouth. P302+P352 IF ON SKIN: Wash with plenty of water/... P312 Call a POISON CENTER/doctor/…if you feel unwell. P361+P364 Take off immediately all contaminated clothing and wash it before reuse. P391 Collect spillage. |
| Storage | P405 Store locked up. |
| Disposal | P501 Dispose of contents/container to ... |
none
3.Composition/information on ingredients 3.1 Substances| Chemical name | Common names and synonyms | CAS number | EC number | Concentration |
|---|---|---|---|---|
| oxydemeton-methyl | oxydemeton-methyl | 301-12-2 | none | 100% |
Consult a physician. Show this safety data sheet to the doctor in attendance.
If inhaledIf breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
In case of skin contactWash off with soap and plenty of water. Consult a physician.
In case of eye contactRinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
If swallowedNever give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.
4.2 Most important symptoms/effects, acute and delayedSYMPTOMS: This compound is a cholinesterase inhibitor. Symptoms from exposure to this compound include anorexia; nausea; vomiting; diarrhea; excessive salivation; pupillary constriction; bronchoconstriction; muscle twitching; convulsions; coma; respiratory failure; pulmonary edema; perspiration; dyspnea; and cyanosis. The effects are cumulative. ACUTE/CHRONIC HAZARDS: This compound may be absorbed readily through the skin. Acute exposure is evidenced by rapid onset of blurred vision and constricted pupils.
4.3 Indication of immediate medical attention and special treatment needed, if necessaryAirway protection. Ensure that a clear airway exists. Intubate the patients and aspirate the secretions with a large-bore suction device if necessary. Administer oxygen by mechanically assisted pulmonary ventilation if respiration is depressed. Improve tissue oxygenation as much as possible before administering atropine, so as to minimize the risk of ventricular fibrillation. In severe poisonings, it may be necessary to support pulmonary ventilation mechanically for several days. /Organophosphate pesticides/
5.Fire-fighting measures 5.1 Extinguishing media Suitable extinguishing mediaIf material on fire or involved in fire: Do not extinguish fire unless flow can be stopped. Use water in flooding quantities as fog. Solid streams of water may be ineffective. Cool all affected containers with flooding quantities of water. Apply water from as far a distance as possible. Use "alcohol" foam, dry chemical or carbon dioxide. /Organophosphorus pesticides, liquid, flammable, toxic; Organophosphorus pesticides, liquid, toxic/
5.2 Specific hazards arising from the chemicalThis chemical is flammable.
5.3 Special protective actions for fire-fightersWear self-contained breathing apparatus for firefighting if necessary.
6.Accidental release measures 6.1 Personal precautions, protective equipment and emergency proceduresUse 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 precautionsPrevent 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 upEnvironmental considerations: Air spill: Apply water spray or mist to knock down vapors. /Organophosphorus pesticides, liquid, flammable, toxic; Organophosphorus pesticides, liquid, toxic; Organophosphorus pesticides, solid, toxic/
7.Handling and storage 7.1 Precautions for safe handlingAvoid 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 incompatibilitiesStore in original container, preferably in a locked area, away from children, food, feed.
8.Exposure controls/personal protection 8.1 Control parameters Occupational Exposure limit valuesno data available
Biological limit valuesno data available
8.2 Appropriate engineering controlsHandle 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 protectionSafety 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 protectionWear 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 protectionWear dust mask when handling large quantities.
Thermal hazardsno data available
9.Physical and chemical properties| Physical state | PHYSICAL DESCRIPTION: Clear amber liquid. |
|---|---|
| Colour | Colorless liquid |
| Odour | no data available |
| Melting point/ freezing point | <-20ºC |
| Boiling point or initial boiling point and boiling range | 377.6ºC at 760mmHg |
| Flammability | no data available |
| Lower and upper explosion limit / flammability limit | no data available |
| Flash point | 182.2ºC |
| Auto-ignition temperature | no data available |
| Decomposition temperature | no data available |
| pH | no data available |
| Kinematic viscosity | no data available |
| Solubility | 10 to 50 mg/mL at 16.11°C |
| Partition coefficient n-octanol/water (log value) | log Kow = -0.74 @ 21°C |
| Vapour pressure | 3.8e-05 millibar at 20°C |
| Density and/or relative density | 1.31g/cm3 |
| Relative vapour density | no data available |
| Particle characteristics | no data available |
no data available
10.2 Chemical stabilitySubject to hydrolysis and the rate is fairly rapidly in alkaline media, oxidizes to sulfone, decomposes at elevated temperatures.
10.3 Possibility of hazardous reactionsOrganophosphates such as OXYDEMETON METHYL are susceptible to formation of highly toxic and flammable phosphine gas in the presence of strong reducing agents such as hydrides. Partial oxidation by oxidizing agents may result in the release of toxic phosphorus oxides.
10.4 Conditions to avoidno data available
10.5 Incompatible materialsno data available
10.6 Hazardous decomposition productsDT50 (est.) 107 days (pH 4), 46 days (pH 7), 2 days (pH 9) (22°C).
11.Toxicological information Acute toxicity- Oral: LD50 Rat oral 50 mg/kg
- Inhalation: LC50 Rat inhalation 1500 mg/cu m/ 1Hr
- Dermal: no data available
no data available
Serious eye damage/irritationno data available
Respiratory or skin sensitizationno data available
Germ cell mutagenicityno data available
CarcinogenicityCancer Classification: Not Likely to be Carcinogenic to Humans
Reproductive toxicityno data available
STOT-single exposureno data available
STOT-repeated exposureno data available
Aspiration hazardno data available
12.Ecological information 12.1 Toxicity- Toxicity to fish: LC50 Lepomis macrochirus (bluegill), wt 1.0 G, 13.0 mg/L/96 hr @ 18°C in hard water, 272 ppm CaCO3 (95% confidence limit: 10.6-16.7 mg/L). Static bioassay without aeration, pH 7.2-7.5, water hardness 40-50 mg/l as calcium carbonate and alkalinity of 30-35 mg/l.
- Toxicity to daphnia and other aquatic invertebrates: LC50 Waterflea (Daphnia magna) 0.24 ppm/48 hr /94.6% ai, Conditions of bioassay not specified/ /from table
- Toxicity to algae: no data available
- Toxicity to microorganisms: no data available
While no biodegradation rates were located for screening tests or natural systems, oxydemeton-methyl has been shown to be degraded by many soil microorganisms(1). One microorganism, Pseudomonas putida, cleaved the thioester bond to form 2-(ethylsulfinyl)ethanethiol, which was subsequently oxidized to bis(2-(ethylsulfinyl)ethyl)disulfide, and 2-(ethylsulfonyl)ethanethiol(1). Another microorganism, a Nocardia sp. produced bis(2-(ethylsulfonyl)ethyl)disulfide, bis[2-(ethylsulfinyl)ethyl]sulfide, and bis(2-(ethylsulfonyl)ethyl)sulfide via oxidation, beta-elimination, and hydrolysis(1).
12.3 Bioaccumulative potentialAn estimated BCF of 3.1 was calculated for oxydemeton-methyl(SRC), using a log Kow of -0.74(1) and a regression-derived equation(2). According to a classification scheme(3), this BCF suggests the potential for bioconcentration in aquatic organisms is low(SRC).
12.4 Mobility in soilThe Koc of oxydemeton-methyl is estimated as 9(SRC), using a log Kow of -0.74(1) and a regression-derived equation(2). According to a classification scheme(3), this estimated Koc value suggests that oxydemeton-methyl is expected to have very high mobility in soil. One investigator estimated that oxydemeton-methyl would leach >35 cm in loam soil at 25°C in a year(4).
12.5 Other adverse effectsno data available
13.Disposal considerations 13.1 Disposal methods ProductThe 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 packagingContainers 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: no data available | IMDG: no data available | IATA: no data available |
| ADR/RID: no data available |
| IMDG: no data available |
| IATA: no data available |
| ADR/RID: no data available | IMDG: no data available | IATA: no data available |
| ADR/RID: no data available | IMDG: no data available | IATA: no data available |
| ADR/RID: yes | IMDG: yes | IATA: yes |
no data available
14.7 Transport in bulk according to Annex II of MARPOL 73/78 and the IBC Codeno 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 |
|---|---|---|---|
| oxydemeton-methyl | oxydemeton-methyl | 301-12-2 | 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. | ||
| Creation Date | Aug 12, 2017 |
|---|---|
| Revision Date | Aug 12, 2017 |
- 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%
- 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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