Chemistry Lab Safety

Some rules are made to be broken.

Lab safety rules are not.

Before Entering the Lab…

1. Never work alone or without teacher supervision.

2. Read the procedure.3. Understand the hazards of the chemicals

being used.4. Locate all safety equipment.5. Dress appropriately.6. Obtain goggles and aprons.7. What if a fire drill occurs during lab?

Safety Equipment

Eyewash Shower Fire blanket Fire extinguishers First Aid kit Emergency gas shutoff Fire alarm Goggles Aprons Dust pan and brush

Entering the Lab

Wear your goggles and apron.Secure all loose hair and clothing.Leave your books and binders at your

desks.Food, drinks, and gum are prohibited in the

lab.Only take the lab procedure, a calculator (if

needed), and a pen/pencil to the lab stations.

Protect Your Eyes!

Always wear goggles.Avoid wearing contacts (if possible) on

laboratory days.Contact DemonstrationAcid in the Eye Demonstration

Protect Your Eyes!

Protect Your Hair!

Long hair must be tied.Hair spray contains flammable liquids.

Flammable Vapor Demonstration

Protect Your Skin and Clothes!

Always wear your apron.Chemicals can stain your clothes or

worse burn a hole through them.Sock DemonstrationLab Apron Demonstration

Protect Your Skin and Clothes!

Protect Your Feet!

Flip-flops, open sandals, and bare feet are not permitted in the lab.

Wear closed-toe shoes in the lab.

Protect Your Neighbors!

Never engage in horseplay!Be aware of your surroundings.Never leave a flame unattended.Keep your area clean and neat.Alert the teacher and your lab partners

immediately of any spills or broken glass.

Handling Flammable Liquids

Never heat flammable liquids with an open flame. Use a hot plate or hot water bath.Whoosh Bottle Gone Bad Video

Handling Acids

Wear gloves (if desired) to protect your skin.

Practice “AA” – Add acid to water.

Heating Objects

Check all glassware for cracks before heating.

Point test tubes towards the wall when heating.

HOT GLASS LOOKS COLD!Do not subject hot glassware to cold

water or a cold lab bench.Hot Glass in Cold Water Video

Handling Broken Glass

Inform your teacher of cracked or broken glassware.

Dispose of cracked or broken glassware in a designated box, not the trash.

Do not handle the broken glass

with your bare hands.

Use the broom and dust pan.

Something Smells

Never directly smell, inhale, or consume a chemical.

Waft.

After Finishing the Lab…

Clean and organize your lab bench. Ensure the gas valve is closed and any hot plate is off.

Dispose of all chemicals according to the teacher’s instructions.

Wash and dry all glassware. Return all safety equipment (i.e. goggles and

aprons). Wash your hands with soap and water. Move to the classroom to work on calculations

and questions.

Here’s to a safe year in Chemistry!