Bromine

CAS RN: 7726-95-6

Cleanup Methods

1) ventilate area of spill or leak. 2) collect for reclamation or absorb in vermiculite, dry sand, earth, or a similar material or pour sodium thiosulfate or lime water over small spills.
Soln or slurries of 10-50% potassium carbonate, 10-13% sodium carbonate, & 5-10% sodium bicarbonate or saturated "hypo" soln (prepared by dissolving 4 kg of technical-grade sodium thiosulfate in 9.5 l of water & adding 113 g of soda ash) are preferred neutralizing agents for liquid bromine spills.
A 5% lime slurry or 5% sodium hydroxide soln may be used, but heats of reaction are higher for these reagents. Ammonia soln should not be applied to liquid spills because of the high heat of reaction & nitrogen evolution. Anhydrous ammonia gas is useful for neutralization of bromine fumes.
Accidental Release Measures. Personal precautions, protective equipment and emergency procedures: Wear respiratory protection. Avoid breathing vapors, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. 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. Methods and materials for containment and cleaning up: Soak up with inert absorbent material and dispose of as hazardous waste. Keep in suitable, closed containers for disposal.
Spill or Leak Procedures: Stop or control the leak, if this can be done without undue risk. Use water spray to cool and disperse vapors and protect personnel. Use soda ash to neutralize liquid. Control runoff and isolate discharged material for proper disposal.
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