As many of you are likely aware, claims that containers of hand sanitizer will catch fire or spontaneously combust if left in a hot vehicle have recently gained attention in traditional and social media.

The National Fire Protection Association (NFPA) says it is not unsafe to leave hand sanitizer in a hot vehicle. This article can be viewed at the following link: https://community.nfpa.org/…/can-hand-sanitizer-spontaneous…

Engineers with the Ontario Office of the Fire Marshal (OFM) Investigations Services have also looked in to this concern and advise that the rate of vapour leakage from a personal container of hand sanitizer left in a hot vehicle would not result in sufficient vapour density to fall within flammable limits in air.

Hand sanitizer containers should be kept in an upright position and properly sealed to avoid spillage. As an added precaution, containers of hand sanitizers left in a vehicle should be kept out of direct sunlight to avoid leakage from over-pressurization of the container. It’s important to remind people that hand sanitizers are indeed flammable and they should read and follow directions and warnings on the labels.

Is hand sanitizer flammable?

Alcohol-based hand sanitizer is flammable and may give off flammable vapours which could ignite if exposed to open flame or an ignition source. Caution should be used to keep away from open flames and avoid sources of heat. Product label warnings should be carefully read and followed.

Is it safe to smoke after using hand sanitizer?

Hand sanitizer is flammable and may give off flammable vapours. It should be kept away from open flames and sources of heat. When using hand sanitizer, hands should be rubbed together until they are completely dry. People should be especially careful if attempting to smoke, light candles, or use a gas stove immediately after applying hand sanitizer.

Is it safe to leave hand sanitizer in a hot vehicle?

According to the NFPA, hand sanitizer will not spontaneously combust or explode if left in a hot vehicle. Containers should be kept in an upright position and properly sealed to avoid leakage. Containers should not be left in direct sunlight, as an added precaution, to avoid spillage or leakage from pressurization of the container. Product label warnings should be carefully read and followed.

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