ABC of Safety in the Biological Sciences

 


 

TWEEN 20

SYNONYMS
Polysorbate 20 (polyoxyethylene 20, sorbitan monolaurate).
GENERAL PRECAUTIONS
Wash hands thoroughly after handling.
CHARACTERISTICS
Yellow oily liquid.
HEALTH HAZARD DATA
Considered to be practically non­harmful by all exposure routes. Nevertheless good standards of industrial hygiene should be maintained.
TREATMENTS
Skin ­ immediately remove contaminated clothing and wash the affected area with soap or mild detergent and large amounts of water until all evidence of the chemical has been removed (approximately 15 minutes). Wash contaminated clothing before re­use.
Eyes ­ immediately wash the affected eye with large amounts of water until all evidence of the chemical has been removed (approximately 15 minutes). If irritation or pain persist seek medical attention.
Inhalation ­ remove from the area of exposure to fresh air. If breathing has ceased apply artificial respiration. Keep warm and allow to rest. If irritation persists or develops seek medical attention.
Ingestion ­ wash out the mouth thoroughly with water and give water to drink. Induce vomiting by touching a finger to the back of the throat. If irritation or pain develop and persist seek medical attention.
INCOMPATIBILITY
None known.
STORAGE
Store in a cool, dry atmosphere.
HANDLING
Wear protective clothing. A long sleeved laboratory coat or gown, rubber gloves, safety goggles and a face mask as a minimum standard.
DISPOSAL
WEAR:
Heavy gloves and safety glasses.
The waste may be used as fill in reclaiming low areas or may be dumped in a landfill.
ENVIRONMENT:

 


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