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2022

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Classification of dangerous reagents: According to the properties of dangerous reagents and storage requirements, it can be divided into:

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(1) Flammable reagent

This type of reagent refers to the chemical that can spontaneously ignite in the air or easily cause combustion in the presence of other substances. Because of the existence state or the cause of combustion is different, it can be divided into:

① Easy spontaneous combustion reagent: such as yellow phosphorus, etc.

② Water combustion reagent: such as potassium, sodium, calcium carbide and so on.

③ Flammable liquid reagents: such as benzene, gasoline, ether and so on.

④ Flammable solid reagents, such as sulfur, red phosphorus, aluminum powder, etc.

(2) Explosive reagent

A chemical substance that causes combustion and explosion by violent chemical reactions caused by external forces and can release large amounts of harmful gases. Such as potassium chlorate, etc.

(3) Toxic agents

A chemical substance that is highly toxic to humans or organisms and to the environment. Such as bromine, methanol, mercury, arsenic trioxide and so on.

(4) Oxidizing reagent

Refers to the oxidation of other substances and their own reduction of substances, such as sodium peroxide, potassium permanganate, ammonium dichromate, ammonium nitrate, etc.

(5) Corrosive reagent

It refers to the strongly corrosive chemical substances, such as strong acid, strong alkali, anhydrous aluminum chloride, formaldehyde, phenol, hydrogen peroxide, etc., which can destroy human body and other articles due to corrosion and even cause combustion, explosion or casualties.

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