10 Safety Points for Using Chemical Squeeze Bottles

Squeeze bottles are commonly used in laboratory areas. They provide a quick and easy source of commonly used solvents such as Acetone, Isopropyl Alcohol, Methanol, and Ethanol. These are all flammable solvents and care is needed to prevent fires or dangerous chemical reactions. The following are the safety points that need to be paid attention to when using chemical squeeze bottles.

(1)Squeeze bottles must be clearly identified for contents. At a minimum, they must have the chemical name indicated. It is also recommended that they have a hazard warning indicated such as “flammable” or a hazard symbol. 

(2)When using generic squeeze bottles, the chemical identity must be clearly indicated in permanent ink or label. Do not use abbreviations or chemical formulas.

(3)Squeeze bottles that are leaking, damaged, or not clearly identified should not be used. Report the problem to the lab area safety lead or your supervisor.

(4)Squeeze bottles made of Low-Density Polyethylene (LDPE) are intended for short-term dispensing (not long-term storage) and will degrade over time depending on the solvent used. Use only solvents compatible with LDPE.

(5)Do not overfill squeeze bottles. Leave an inch or more of headspace from the cap to prevent spillage or drips.

(6)Use of “safety vented” squeeze bottles are recommended. These have a venting assembly that prevents pressure build-up causing drips from the spout.

(7)Do not store squeeze bottles containing flammable liquids near sources of heat or ignition such as hot plates. At no time should a plastic squeeze bottle be placed on top of a hot plate (even if it is not “on”).

(8)Store squeeze bottles containing flammable liquids in a secondary containment tray to catch any drips that may occur. Large accumulations of squeeze bottles should be placed in a flammable storage cabinet when not in use and not stored in a fume hood.

(9)Always check the squeeze bottle label prior to adding solvent to avoid accidentally mixing with another chemical.

(10)Do not use squeeze bottles for dispensing highly hazardous chemicals such as hydrofluoric acid, nitric acid, or hydrogen peroxide. If accidentally mixed with an incompatible solvent, a dangerous reaction could occur.

The reason why plastic squeeze bottles can be used to store chemical solutions is also because of their stable performance and no reaction. But we still need to strictly follow the above safety points when using it. If you want to learn more about plastic squeeze bottles after reading the above content, you can contact us for professional solutions.

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