1. Add the following to your Safety Contract (the one you are keeping)
22. Always Add Acid to water (AAA) 23. Hot glass looks the same as cold glass 24. When heating test tubes, hold it at 45o and do not point either end at you or your lab partners.

2. Remember: Safety First!
Safety Symbols
Remember: Safety First!

3. Oxidizers Examples Ammonium nitrate, NH4NO3
Potassium permanganate, KMnO4
Potassium iodate, KIO4

4. Flammables
Example
Methanol, CH3OH

5. Explosives
Not allowed in school science labs!!!

6. Acute toxicity (severe)
Example
Copper(II) chloride, CuCl2

7. Corrosives
Examples
Hydrochloric acid, HCl
Sulfuric acid, H2SO4

8. Gases Under Pressure
Example
Oxygen tanks

9. Carcinogen Target Organ Toxicity Mutagen Examples Formaldehyde, CH2O
Lead and Chromium ions

10. Environmental Toxicity
Example
Mercury (Mercury is no longer allowed in BISD)

11. Acute toxicity (harmful)
Irritant
Acute toxicity (harmful)
Examples
Iron(III) nitrate, Fe(NO3)3
Iodine