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Source:
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2 Oxidizing agents, which are volatile and

flammable. Usually because it reacts with
hot air, sparks, or with reducing agents.

Oxidizers can be gases (oxygen, ozone),
Oxidator liquids (nitric acid, perchloric acid

Sumber: solution) and solids (potassium
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permanganate, sodium chlorite).
3 This symbol indicates that the material is

flammable. Combustible materials are
also divided into 2 types, namely

Extremely Flammable (very highly
Flammable flammable) and Highly Flammable (very

Source: flammable).
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4 This symbol indicates a chemical has

toxic properties. Poisoning caused by
these chemicals can be acute and

chronic, and can cause death at high
Toxic concentrations. Be careful with this one

Source: sign to maintain work safety in the
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laboratory.

5 This symbol is divided into 2 codes,
namely the Xn code (harmful) and the Xi

code (irritant). The Xn code will indicate

a health risk if it enters through
Irritant breathing (inhalation), through the
Sumber: mouth (ingestion), and through skin
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contact. The Xi code indicates the risk of

inflammation if the material is in direct