| Product name | chloroxuron |
|---|
| Product number | - |
|---|---|
| Other names | CHLOROXURON |
| Identified uses | For industry use only. Herbicide |
|---|---|
| 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 - Inhalation, Category 4
Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1
2.2 GHS label elements, including precautionary statements| Pictogram(s) |   |
|---|---|
| Signal word | Warning |
| Hazard statement(s) | H332 Harmful if inhaled H400 Very toxic to aquatic life |
| Precautionary statement(s) | |
| Prevention | P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. |
| Response | P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P312 Call a POISON CENTER/doctor/…if you feel unwell. P391 Collect spillage. |
| Storage | none |
| 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 |
|---|---|---|---|---|
| chloroxuron | chloroxuron | 1982-47-4 | 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 delayedThis is highly toxic by ingestion. Under certain conditions, chloroxuron will form carcinogenic dimethylnitrosamine. (EPA, 1998)
4.3 Indication of immediate medical attention and special treatment needed, if necessary1. SKIN CONTAMINATION SHOULD BE REMOVED PROMPTLY BY WASHING WITH SOAP AND WATER. CONTAMINATION OF THE EYES SHOULD BE TREATED IMMEDIATELY BY PROLONGED FLUSHING OF THE EYES WITH COPIOUS AMOUNTS OF CLEAN WATER. IF DERMAL OR OCULAR IRRITATION PERSISTS, MEDICAL ATTENTION SHOULD BE OBTAINED WITHOUT DELAY. /OTHER HERBICIDES/
5.Fire-fighting measures 5.1 Extinguishing media Suitable extinguishing media(Non-Specific -- Pesticide, Solid, n.o.s.) Avoid breathing vapors or dust. Wear self-contained (positive pressure if available) breathing apparatus and full protective clothing. (Non-Specific -- Pesticide, Solid, n.o.s.) For small fires, use dry chemical, carbon dioxide, water spray, or foam. For large fires, use water spray, fog, or foam. (EPA, 1998)
5.2 Specific hazards arising from the chemical(Non-Specific -- Pesticide, Solid, n.o.s.) Fire may produce irritating or poisonous gases. When heated to decomposition it emits very toxic fumes of chlorides and nitrogen oxides. (EPA, 1998)
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 upPick up and arrange disposal. Sweep up and shovel. Keep in suitable, closed containers for disposal.
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 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 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 | solid |
|---|---|
| Colour | WHITE CRYSTALS |
| Odour | ODORLESS |
| Melting point/ freezing point | 151ºC |
| Boiling point or initial boiling point and boiling range | 459.3ºC at 760mmHg |
| Flammability | no data available |
| Lower and upper explosion limit / flammability limit | no data available |
| Flash point | 231.6ºC |
| Auto-ignition temperature | no data available |
| Decomposition temperature | no data available |
| pH | no data available |
| Kinematic viscosity | no data available |
| Solubility | AT 20 DEG C: 4 MG/L WATER; 44 G/KG ACETONE; 106 G/KG DICHLOROMETHANE; 35 G/KG METHANOL; 4 G/KG TOLUENE. |
| Partition coefficient n-octanol/water (log value) | no data available |
| Vapour pressure | 1.28E-08mmHg at 25°C |
| Density and/or relative density | 1.27g/cm3 |
| Relative vapour density | no data available |
| Particle characteristics | no data available |
no data available
10.2 Chemical stabilityVery stable under normal conditions. Sensitive to light.
10.3 Possibility of hazardous reactionsNONFLAMMABLE.Fire may produce irritating or poisonous gases. When heated to decomposition it emits very toxic fumes of chlorides and nitrogen oxides. [EPA, 1998].
10.4 Conditions to avoidno data available
10.5 Incompatible materialsno data available
10.6 Hazardous decomposition productsWhen heated to decomposition it emits very toxic fumes of Cl- and nitrogen oxides.
11.Toxicological information Acute toxicity- Oral: LD50 Rat oral 3000 mg/kg /Technical chloroxuron/
- Inhalation: LC50 Rat inhalation >1.35 mg/l air/6 hr
- Dermal: no data available
no data available
Serious eye damage/irritationno data available
Respiratory or skin sensitizationno data available
Germ cell mutagenicityno data available
Carcinogenicityno data available
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 Rainbow trout 0.43 mg/l/96 hr @ 12°C (95% confidence limit 0.36-0.51 mg/l), wt 0.7 g. 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: no data available
- Toxicity to algae: no data available
- Toxicity to microorganisms: no data available
CHLOROXURON WAS N-DEMETHYLATED BY MICROORGANISMS FROM BOTH LOUISIANA & INDIANA SOILS. METABOLISM WAS PREDOMINANTLY BY DIRECT HYDROLYSIS TO THE ANILINE, WHICH IN TURN UNDERWENT FURTHER TRANSFORMATIONS.
12.3 Bioaccumulative potentialAn estimated BCF value of 295 was calculated for chloroxuron(SRC), using an experimental water solubility of 3.7 mg/l(1,SRC) and a recommended regression-derived equation(2). According to a classification scheme(3), this BCF value suggests that bioconcentration in aquatic organisms is high, but not very high(SRC).
12.4 Mobility in soilCHLOROXURON IS QUITE STRONGLY ADSORBED ON SOIL PARTICLES & THIS SEEMS TO BE AN IMPORTANT FACTOR IN CONTROLLING ITS AVAILABILITY IN SOIL SOLN & DETERMINING BOTH THE INITIAL TOXICITY & THE RESIDUAL ACTIVITY IN SOME TYPES OF SOILS. THE FOLLOWING CONCN OF CHLOROXURON ADSORBED WERE IN EQUIL WITH 1 PPM SOIL SOLN: 14 UG/G (SANDY LOAM), 40 UG/G (CLAY LOAM), & 110 UG/G (HUMUS SOIL). WITH SOIL COLUMNS (SANDY, CLAY, & HUMUS SOILS) & SIMULATED RAIN (200 MM IN 45 HR), THE BULK OF CHLOROXURON WAS NOT REMOVED FROM THE TOP 1 CM LAYER OF ALL THREE SOILS. LEACHING DOES NOT APPEAR TO BE A FACTOR IN REMOVING CHLOROXURON FROM THE SURFACE OF SOIL.
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: UN3077 | IMDG: UN3077 | IATA: UN3077 |
| 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. |
| ADR/RID: 9 | IMDG: 9 | IATA: 9 |
| ADR/RID: III | IMDG: III | IATA: III |
| 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 |
|---|---|---|---|
| chloroxuron | chloroxuron | 1982-47-4 | 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 16, 2017 |
|---|---|
| Revision Date | Aug 16, 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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