NOC: safety symbols

what this is

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corrosive: this chemical attacks and destroys living tissue such as eyes and skin

sodium hydroxide, sulfuric acid

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irritant: this can cause red itchy skin or minor blisters

dilute acids, alkalis

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flammable: this chemical will catch fire

ethanol, propanone

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harmful to the environment: the chemical will cause damage to all living things if it enters waterways

copper sulfate

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explosive: this chemical will explode if it is near a naked flame like a bunsen burner

potassium
lithium

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oxidising: these chemicals will produce oxygen which causes other substances to burn more

potassium mangatate

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toxic: this substance will cause severe illness or death if it enters the body

cyanide
mercury
lead

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biohazard: this symbol indicates a dangerous substance produced from a living sample

dissections
bacterial growth