Safety SymbolsRemember: Safety First!

Oxidizers◦Examples

Ammonium nitrate, NH4NO3

Potassium permanganate, KMnO4

Potassium iodate, KIO4

Flammables◦Example

Methanol, CH3OH

Explosives◦Not allowed in school science labs!!!

Acute toxicity (severe)◦Example

Copper(II) chloride, CuCl2

Corrosives◦Examples

Hydrochloric acid, HCl Sulfuric acid, H2SO4

Gases Under Pressure◦Example

Oxygen tanks

CarcinogenTarget Organ ToxicityMutagen

◦Examples Formaldehyde, CH2O Lead and Chromium ions

Environmental Toxicity◦Example

Mercury

IrritantAcute toxicity (harmful)

◦Examples Iron(III) nitrate, Fe(NO3)3

Iodine