The flame over circle pictogram is only used for hazardous products that are oxidizing solids, liquids or gases.The basic components for a fire are a source of fuel (such as combustible materials), a source of oxygen, and a spark or other source of ignition. With most fires, the source of oxygen is air (air has about 21% oxygen).
Oxidizing solids, liquids or gases readily release oxygen or another oxidizing substance (such as bromine, chlorine, or fluorine). Therefore, these products pose a severe fire hazard. Oxidizers do not burn themselves, but oxidizers can:. greatly increase the rate that a fire develops and make the fire more intense (that is, the fire burns hotter and faster than it normally would),. cause substances that do not normally burn in air to burn rapidly,.
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cause some combustible materials to burn spontaneously without the presence of obvious ignition sources such as a spark or flame.What signal words and hazard statements are used? In addition to the specific hazards identified by the flame over circle pictogram, it is important to remember that the product may have other hazards, for example:. health hazards such as acute toxicity, skin corrosion or irritation, carcinogenicity or specific target organ toxicity – repeated or single exposure. other physical hazards such as corrosive to metals. react with many other materials – check Section 10 (Stability and Reactivity) of the Safety Data Sheet (SDS) for incompatible materials.
Keep the oxidizing product away from these materials.ALWAYS check the SDS and label for the product that you are working with to ensure that you know what is being used and all of the hazards and precautions associated with the product. Ask questions if you are not sure.How can products with the flame over circle pictogram be handled safely?. ALWAYS Check the SDS for information about ALL of the hazards and the necessary precautions for the product being used. Ask questions if you are not sure. If it is not possible to eliminate use of the hazardous product in your workplace, evaluate whether it is possible to it with a less hazardous product. For liquids and solids, keep away from heat, hot surfaces, open flames and other ignition sources.
Follow any special instructions for storage provided on the SDS (e.g., maximum quantities and recommended temperature conditions). Store product in containers that the supplier recommends. Normally these are the same containers in which the product was shipped. Store away from incompatible materials listed on the SDS. Store gases in a well-ventilated place.
Store oxidizing liquids or solids separately. Store in a cool, dry area away from direct sunlight and exit paths. Post warning signs. Store away from ignition sources such as heat, sparks or open flames. Prohibit smoking in or near the storage area.
Avoid storing large quantities, if possible. Inspect storage area and containers for signs of leakage or damage regularly. Contain spills or leaks by storing product containers in trays made from compatible materials. Empty containers may contain hazardous residue.
Store separately. Keep closed. Do not use wooden pallets or other combustible pallets for storing containers of oxidizing products. Walls, floors, shelving, and fittings in storage areas should be constructed of non-combustible materials. Ensure that appropriate fire-fighting and spill clean-up equipment is readily available.
Follow all applicable health and safety regulations, fire and building codes.What should I do in case of an emergency?. Understand and practice emergency procedures so that you know what to do if it becomes necessary. Ensure that appropriate fire extinguishers are available for use in case of a fire involving liquids or solids. In case of major fire and large quantities: Evacuate area. Fight fire remotely due to the risk of explosion.
For gases, in case of fire, stop leak if safe to do so. Be aware of at least two different exit paths in the event of fire. Ensure that eyewash and emergency shower are readily available in the immediate work area. These devices must be tested regularly. Have spill control procedures and equipment ready (e.g., absorbent spill control materials, personal protective equipment, non-sparking tools, etc.). Avoid using combustible or reactive materials (such as paper towels or sawdust) to clean up or absorb spills.
Immediately report leaks to your supervisor, warn people in the area, and move to a safe location, if necessary. In case of contact, follow the first aid instructions listed on the SDS or label.
Remove contaminated clothing, shoes or boots. If the product is not water-reactive, immediately and thoroughly wash contaminated items in water before re-wearing or discarding. IF ON CLOTHING: Rinse immediately contaminated clothing and skin with plenty of water before removing clothes.CLOSE ALL. Tell us what you thinkHow can we make our services more useful for you? To let us know.
Students and professional scientists alike work safely with hot, open flame every day because they follow well-established lab safety rules. First, wear the right clothes and personal protective equipment (PPE) before you begin your experiments. Learn how to use the Bunsen burner, glassware and other equipment, and check them for defects. Know the substances you may be burning, melting or heating up. You can then embark on your scientific adventure with confidence, knowing the prep work was done right.
Your personal appearance before you even light the flame is a key safety consideration. Anything that is loose or dangling can potentially come into contact with the flame.
Wear clothing that fits snugly to reduce the chances of the material catching fire. Participants with long hair should secure it away from the face so it doesn't fall down into the flame. Remove any long jewelry that might reach the flame. Safety gear is also key. Wear goggles when using the flame, especially if you're heating a glass container or using chemicals. Equipment Inspection. A clear workspace prevents accidental ignition of objects such as books, papers and science experiment materials.
Set up the Bunsen burner on a solid, flat surface to avoid tipping. Keep the flame away from any combustible materials. Gather all of the necessary materials for the experiment before lighting the flame so you don't have to leave it unsupervised. Have your lighter or striker ready so you can light the flame as soon as you turn on the gas to the Bunsen burner. If others are in the lab with you, let them know you are lighting a flame. Safe Flame Use. A Bunsen burner allows you to control the flame by adjusting the collar that controls air flow.
The flame needed varies by experiment, so find out that information before you put anything over the lit burner. Tongs allow you to safely hold items over the flames.
Follow the experiment steps exactly, using the flame only as indicated to avoid injury or explosion. When you are finished with the flame, shut it off completely, ensuring that the gas valve is completely shut off. Allow the Bunsen burner and any items held over the flame to cool before touching them.