First, the goods and manufacturers information
| Item Name: Dibromomethane |
| Other names: methyl dibromide |
| Suggestions for use and usage restrictions: / |
| Manufacturer or supplier name, address and telephone number: /Zouping Qili Additives Co., Ltd. Houcheng Village, Daixi Office, Zouping County, Shandong Province, China |
| Emergency contact number / fax number: 4780006/0543-4537355 |
Second, the danger mark
| Item Name: Dibromomethane |
| Hazard classification and national or regional information: Product classification: Acute inhalation toxicity Category 4 Hazardous aquatic environment - Long-term hazard category 3 |
GHS label elements, including precautionary statements:  Signal word: Warning Hazard statement: Harmful if inhaled. Harmful to aquatic life with long lasting effects. Prevention : Avoid breathing dust/fume/gas/mist/vapor/spray. • Use only outdoors or in a well ventilated area. • Avoid release to the environment. Reactions : If inhaled: Remove person to fresh air and keep in a comfortable position. • Call a POISON CENTER/doctor for storage if you feel unwell : Store in a cool, ventilated warehouse. The temperature should not exceed 37 °C. It should be stored separately from oxidants and food chemicals, and should not be mixed. Keep the container sealed. Keep away from fire and heat. Lightning protection equipment must be installed in the warehouse. The exhaust system should be provided with a grounding device that removes static electricity. Explosion-proof lighting and ventilation settings. It is forbidden to use equipment and tools that are prone to sparks. The storage area should be equipped with leakage emergency treatment equipment and appropriate containment materials : the operators should be specially trained and strictly abide by the operating procedures. Handling should be carried out in a location with local or full ventilation. Avoid eye and skin contact and avoid inhaling steam. Keep away from fire, heat, and smoking in the workplace. Use explosion-proof ventilation systems and equipment. For canning, the flow rate should be controlled and grounded to prevent static buildup. Avoid contact with incompatible materials such as oxidizing agents. Lightly load and unload during handling to prevent damage to packaging and containers. Empty containers may be harmful residues. Wash hands after use and prohibit eating in the workplace. Equipped with the corresponding variety and quantity of fire-fighting equipment and leakage emergency treatment equipment Environmental protection measures: contain spills and avoid environmental pollution. Prevent spills from entering sewers, surface water and groundwater. Methods and materials for containment and removal of spilled chemicals: Small spills: Collect as much of the leak as possible in a closable container. Absorb with sand, activated carbon or other inert materials and transfer to a safe place. It is forbidden to rush into the sewer. A large number of leaks: building a dike or digging a pit. Close the drain pipe. Cover with foam to inhibit evaporation. Transfer to a tank truck or special collector with an explosion-proof pump, recycle or transport to a waste disposal site for disposal. |
Third, the component identification data
Pure substances:
| Chemical name: Dibromomethane |
| Common name: / |
| Chemical Abstracts Service Registration Number (CAS No.): 74-95-3 |
| Hazardous substance composition (percentage of ingredients): |
Mixture:
| Chemical properties: / |
| Hazardous Substances: dibromomethane |
| Concentration or concentration range (percentage of ingredients): / 100% |
Fourth, first aid measures
| First aid methods for different exposure routes: / |
| Inhalation: If inhaled, move the patient to fresh air. |
| Skin contact: Remove contaminated clothing and wash skin thoroughly with soap and water. Get medical attention if you feel uncomfortable. |
| Eye contact: Separate the eyelids and rinse with running water or saline. Seek medical attention immediately. |
| Ingestion: Rinse mouth, no vomiting. Seek medical attention immediately. |
| The most important symptoms and dangerous effects: / |
| Protection that emergency personnel should take: / |
| Indication of immediate medical attention and special treatment needed if necessary: / |
Fifith, Fire fighting measures
| Extinguishing media: Extinguish with water spray, dry powder, foam or carbon dioxide. Avoid using DC water to extinguish the fire. Direct current water may cause splashing of flammable liquids and spread the fire. |
| Hazardous characteristics: No information available. |
| Hazardous combustion products: carbon monoxide, carbon dioxide, hydrogen bromide. |
| Special Fire Fighting Procedures: Firefighters should wear a gas-filled respirator, wear a full-body fire suit, and extinguish the fire in the upwind direction. Move the container from the fire to the open space as much as possible. If the container in the fire has changed color or sounded from a safe pressure relief device, it must be evacuated immediately. Isolation of the accident site, prohibiting unrelated personnel from entering. Contain and handle fire water to prevent environmental pollution. |
Sixth, leakage treatment method
| Small amount of leakage: Collect leaking liquid as much as possible in a closable container. Absorb with sand, activated carbon or other inert materials and transfer to a safe place. It is forbidden to rush into the sewer. A large number of leaks: building a dike or digging a pit. Close the drain pipe. Cover with foam to inhibit evaporation. Transfer to a tank truck or special collector with an explosion-proof pump, recycle or transport to a waste disposal site for disposal. |
Seventh, Handling and storage
| Operational precautions: Operators should be specially trained to strictly abide by the operating procedures. Handling should be carried out in a location with local or full ventilation. Avoid eye and skin contact and avoid inhaling steam. Keep away from fire, heat, and smoking in the workplace. Use explosion-proof ventilation systems and equipment. For canning, the flow rate should be controlled and grounded to prevent static buildup. Avoid contact with incompatible materials such as oxidizing agents. Lightly load and unload during handling to prevent damage to packaging and containers. Empty containers may be harmful residues. Wash hands after use and prohibit eating in the workplace. Precautions for storage of fire-fighting equipment and leakage emergency treatment equipment with corresponding varieties and quantities |
| Store in a cool, ventilated warehouse. The temperature should not exceed 37 °C. It should be stored separately from alkali metals and food chemicals, and should not be mixed. Keep the container sealed. Keep away from fire and heat. Lightning protection equipment must be installed in the warehouse. The exhaust system should be provided with a grounding device that removes static electricity. Explosion-proof lighting and ventilation settings. It is forbidden to use equipment and tools that are prone to sparks. The storage area should be equipped with leakage emergency treatment equipment and suitable containment materials. |
Eighth, contact control / personal protection
| Respiratory protection: Wear a filter-type gas mask (half mask) when the concentration in the air exceeds the standard. Air-operated respirators should be worn during emergency rescue or evacuation. |
| Eye protection: Wear chemical safety eye protection. |
| Skin and body protection: Wear tape anti-virus clothing. |
| Hand protection: Wear protective clothing to penetrate the overalls. |
| Other protection: Smoking, eating and drinking are prohibited on the job site. After work, take a shower. Maintain good hygiene practices. |
Ninth, Physical and chemical properties
| Appearance (physical status, color, etc.) | Colorless heavy liquid. |
| odor | / |
| Odour devaluation | / |
| pH value | / |
| Melting point / freezing point | − 52 °C |
| Boiling point (°C) | 96-98 |
| Flash point (°C) | -10 |
| Evaporation rate | / |
| Flammability (solid, gaseous) | / |
| Upper and lower flammability limits or explosion limits | / |
| Vapor pressure (kPa) | 34.9 mm Hg ( 20 °C) |
| Vapor density | 6.05 (vs air) |
| Relative density | 2.477 g/mL at 25 °C (lit.) |
| Solubility | Water solubility: 0.1 g/100 mL (20 oC). |
| Uses | For organic synthesis, as a solvent |
Tenth, stability and reactivity
| Chemical stability: This product is stable during storage and use at normal ambient temperature. |
| Possibility of hazardous reactions: Decomposition by high heat produces toxic bromide gases. |
| Conditions to avoid (such as static unloading, shock or vibration): Electrostatic discharge, heat, humidity, etc. |
| Incompatible materials and materials: Strong oxides, strong acids, strong bases. |
| Hazardous decomposition products: Decomposed by high heat to produce toxic bromide gases. |
Eleventh, Toxic information
| Route of exposure: Inhalation, ingestion. |
| Symptoms about physical, chemical and toxicological characteristics: |
| Chronic or long-term toxic effects: This product is narcotic and may cause heart rhythm disorders. Repeated contact can cause liver and kidney damage. |
| Quantitative measurement of toxicity (eg acute toxicity estimate): Acute toxicity: LD501000 mg/kg (rat oral); LC5040000 mg/m3, 2 hours (inhalation in rats). Subacute and chronic toxicity: 1000 ppm inhalation in rats, 54 times Liver and kidney damage, some animals die. |
Twelveth, Ecological information
| Ecotoxicity: This substance is harmful to the environment and is extremely destructive to the atmospheric ozone layer. Special attention should be given to mammals and birds. |
| Persistence and degradability: / |
| Bioaccumulation: / |
| Mobility in the soil: / |
| Other adverse effects: / |
Thirteen, Disposal methods :
Waste chemicals : recycle as much as possible.
If it cannot be recycled, it is disposed of by incineration.
Do not dispose of this product by discharging it into the sewer.
Contaminated packaging:
return the container to the manufacturer or dispose of it in accordance with national and local regulations.
Disposal considerations:
Refer to national and local regulations before disposal.
Fourteen, Transportation information
| Dangerous goods number: |
| UN number: UN 2664 |
| UN Shipping Name: DIBROMOMETHANE |
| Transport hazard categories: 6.1. |
| Packing category: Class III |
| Packing method: Open steel drum. An ordinary wooden box outside the ampoule. Threaded glass bottles, iron caps, glass bottles, plastic bottles or metal barrels (cans) outside the ordinary wooden box. |
| Transportation precautions: Transportation vehicles should be equipped with the appropriate variety and quantity of fire-fighting equipment and leakage emergency treatment equipment. It is strictly forbidden to mix and transport with oxidants and food chemicals. The vehicle exhaust pipe carrying the item must be equipped with a fire arresting device. When using a tank (tank), the vehicle should have a grounding chain. A hole partition can be installed in the tank to reduce the static electricity generated by the shock. It is forbidden to use mechanical equipment and tools that are prone to sparks. It is best to transport in the summer and evening. During transportation, it should be protected from exposure, rain and high temperature. Keep away from fire, heat and high temperature areas during stopovers. When transporting by road, follow the prescribed route and do not stay in residential areas and densely populated areas. It is forbidden to slip when transporting by rail. It is strictly forbidden to transport in bulk by wooden or cement vessels. Hazard signs and notices shall be posted on the means of transport in accordance with the relevant transport requirements. |
Fifteen, Regulatory information
| Applicable regulations: Component dibromomethane CAS: 74-95-3 Occupational Disease Prevention Law of the People's Republic of China: Classification of Occupational Disease Hazard Factors (2015): Not included in the Hazardous Chemicals Safety Management Regulations: Catalogue of Dangerous Chemicals (2015): List of Hazardous Chemicals that are Easy to Explode (2017) : List of Hazardous Chemicals not listed for priority supervision: List of the first and second batches of hazardous chemicals under key supervision: Not included in the Environmental Management Registration Procedure for Hazardous Chemicals (Trial): Catalogue of Hazardous Chemicals for Key Environmental Management: Not included in the Regulations on the Administration of Narcotic Drugs and Psychotropic Substances: Catalogue of Narcotic Drugs: Not listed in the list of psychotropic substances: Environmental Management Measures not included in New Chemical Substances: List of Existing Chemical Substances in China (2013) ): included |
Sixteen, Other information
| references | / | |
| Tabulation unit | Name: Zouping Qili Additives Co., Ltd. | |
| Address / Phone: Houcheng Village, Daixi Office, Zouping County, Shandong Province, China/0543-4788006 | ||
| Lister / | job title: | Name (signature): / |
| Tabulation date / | / | |
Note 1: When the product is a mixture containing two or more dangerous substances, a safety data sheet should be prepared according to the danger after mixing.
Note 2: The manufacturer/supplier should ensure the correctness of the information contained in the SDS according to the actual situation and update it as appropriate.
Note 3: If there is no information due to product characteristics (such as the absence of boiling point in the solid), it should be marked with "/" in the table.
