1. Safety 1.1

2. Chemistry Safety Rules
1. Only follow procedures written in the lab. This is not a time to experiment and see what happens if ___________________!
2. Notify the teacher of medical problems.
Allergies
Asthma
Pregnancy

3. Never eat or drink in the lab area.
Never smoke in the lab area.
Keep work area clean. The only items you should have in lab is your pencil and your lab notebook/worksheet.

4. 6. Do not wear jackets, ties or any other loose clothing in lab.
Roll up loose sleeves.
Remove jewelry that dangles (necklaces, chains, bracelets)
7. Tie back long hair.
8. Never wear open shoes or sandals in the lab.

5. Wear goggles at all times!
No horseplay. This will be an immediate dismissal from the lab.
Keep chemicals and paper away from any open flames.
Don’t put your face, eyes, or mouth near an open chemical container.

6. 13. Conduct any experiment using noxious vapors in the fume hood.
14. Know the location of the emergency equipment.
First – aid kit
Eye wash station
Fire extinguisher
Chemical shower

7. 15. Time for a tour!
Mr. Hess will now take you on a tour to identify the items in 13. And 14.

8. 16. Dispose of waste materials as instructed by your teacher.
Glass – white glass recycle can
Solid – trash can
Soluble (substances that dissolve in water) – down the sink
Insoluble – trash can

9. 17. If you spill a chemical, notify the teacher and have someone stay with the spill.

10. Handling Chemicals
18. Double check labels before using the chemical. (Look for the formula)
Don’t take more than you need.
If you have extra, see if another group needs it, then dispose.
Do not put extra chemical back in the container!

11. 19. Only H2O should come in contact with chemicals.
When combing acid and distilled waters, always add acid to water.

12. 20. Hazardous Chemicals Teratogen – causes birth defects
Allergens - causes allergies
Carcinogen – causes cancer
Mutagen – causes gene mutation

13. Handling Glassware
21. When handling hot glassware always use some type of insulating pad.
22. When you break glass:
Let it cool
Use dustpan to clean it up
Put it in the glass recycles

14. 23. Pyrex is the only glass that is to be heated
Glassware on stovetop story

15. 24. Cleaning Glassware Procedure
Dispose of Chemical
Clean with paper towel and tap water and brush
Rinse with tap water
Rinse with distilled water
Dry

16. Heating Substances
25. Turn off gas burners when they are not in use. Why?
It heats up the room
It wastes fuel
There could be an invisible flame

17. 27. Never heat a closed container.
26. Never look into a container that is heated. Never point a heated container in the direction of someone else.
27. Never heat a closed container.
Gas expands when it is heated.

18. In Case of Injury 28. Remain Calm 29. Notify your instructor
30. Send for Help!

19. First Aid 31. Know where the first aid kit is located.
32. Acid or Base spills on skin.
If it is on an extremity, use the sink
If it is on your torso, use the chemical shower

20. 34. If you get chemicals in your mouth, DO NOT DRINK ANYTHING!
33. If you get chemicals in your eyes flush them in the eye wash for 15 minutes.
34. If you get chemicals in your mouth, DO NOT DRINK ANYTHING!
We will contact poison control to find out the proper procedure.

21. 36. Don’t inhales fumes or noxious vapors directly.
35. If your clothing is on fire, then drop to the ground and smother the flames.
36. Don’t inhales fumes or noxious vapors directly.
Use the wafting motion.

22. 37. If a person is in shock, don’t let the person walk anywhere.

23. MSDS and NFPA

24. National Fire Protection Association (NFPA)
NFPA Fire Diamond - a graphic that identifies the hazards of a particular chemical

25. NFPA Diamond

26. Fire – 4 Rating – Pyrophoric substances – spontaneously ignite in air
White phosphorus, plutonium, uranium, alkali metals
Pyrophoric substances

27. Reactivity – 4 rating – Readily combustable – Nitroglycerin, Chlorine Dioxide
Can anyone think of something that is produced using nitroglycerin?

28. Health – 4 rating Hydrogen Cyanide, Carbon Monoxide
Others? (think world wars)

29. MSDS – Material Safety Data Sheet
Accompanies all hazardous chemicals
Provides info needed to protect yourself and react correctly in an emergency

30. Info Included Identity of material including chemical and common names
Hazardous ingredients
Cancer causing agents (carcinogens)
Chemical and Physical hazards (flammable, corrosive…)

31. Precautions and safety equipment Emergency and first-aid procedures
Health Hazards
acute – occur immediately
chronic – build up over period of time
Limits of exposure, entry routes, target organs, medical conditions which make exposure worse
Precautions and safety equipment
Emergency and first-aid procedures

34. Copper Nitric Acid