If you smell a strong special smell of ethyl mercaptan in the kitchen, why not turn on the pump

Commonly used gas at home, natural gas is colorless and odorless, and ethyl mercaptan has a strong, long-lasting and pungent garlic odor, when the air only contains 1/50 billion ethyl mercaptan, its smell can be smelled, so it is mixed with natural gas to mark gas natural gas leakage, so smelling the smell of ethyl mercaptan in the kitchen means that your gas is leaking, and the electric spark formed at the moment of turning on the range hood will cause the gas to explode.

Natural gas is a colorless and odorless gas, for safety, often add ethyl mercaptan with a special smell to remind people, when natural gas leakage, immediately close the valve to prevent further leakage, and open the doors and windows at the same time, it is the leaked natural gas discharged outdoor, and supply indoor fresh air to ensure safety At this time, all electrical switches can not be opened, so as not to hit electric sparks, fire and even explosion

Copied from the analysis of the answers of a test paper.

Ethyl mercaptan traits:,

Colorless liquid. It has a strong garlic odor, and the smallest detectable concentration in the air is 1 part per 50 billion. Soluble in ethanol and ether, slightly soluble in water.

Relative density (d254). Melting point. Boiling point.

Refractive index (n20D). Flash point -45 . Flammability.

Half lethal dose (rat, oral) 1960 mG kG. High concentrations are narcotic and can irritate mucous membranes.

Because the moment the range hood is turned on, a spark will be generated, and the flash point of ethyl mercaptan is low and flammable, and a fire will occur!

Ethyl mercaptan is easy to be an organic solvent, and the oil in the range hood can dissolve ethyl mercaptan, which is highly toxic, and the smallest perceptible concentration in the air is 1 part 50 billion.

If a range hood is used to exhaust gas, ethyl mercaptan will dissolve in the fuel of the hood.

This does the opposite and instead stores ethyl mercaptan in the kitchen.

Ethyl mercaptan is also volatile, resulting in the kitchen ethyl mercaptan odor cannot be removed for a long time.

More health impacts.

Speaking of ethanol? As long as it is a flammable, flammable, or explosive gas, it is not possible to turn on the exhaust of the range hood, or turn on the electrical equipment such as lights. This is because when electrical equipment is turned on, an electric arc (electric spark) is generated, and there is a danger of explosion when encountering combustible gases.

Generally, industrial sites that may come into contact with combustible gases are designed with explosion-proof designs for electric lamps and electrical equipment.