Chemistry Laboratory Safety Rules

By Dr Abdul Samad

Protect Your Eyes http://www.sterlingschools.org/shs/stf/cbrown/Chemistry%20Laboratory%20Safety

%20Rules.ppt

• Appropriate eye protection must be worn at all times!

Wear appropriate protective clothing

• Your clothing should cover your legs to the knees – shorts are not appropriate for the laboratory

• Lab aprons can be used to protect good clothing

• Loose clothing should not be worn because it may dip into chemicals or fall into a flame and catch fire

Wear shoes that cover your feet.

• Sandals and open-toed shoes do not protect your feet from broken glass that is frequently found in the lab

• Also, leather shoes protect your feet from chemical spills – canvas shoes do not.

Do not apply cosmetics, eat, or drink in the lab.

• These activities are ways by which you can accidentally ingest harmful chemicals

Do not taste any chemical!

Pour from large containers to smaller ones.

Always ADD ACID to water

acid

water

“Do not spit into acid!” – a good phrase to remember this rule.

Hold your hand over the label while pouring.

Work with volatile chemicals under a fume hood.

Check glassware for stars or cracks.

Heat test tubes at an angle, directing the opening oppositely to you and other people in the laboratory.

Handle hot glassware with gloves or beaker tongs.

First light the match

THEN

Turn on the gas!

Do not smell any chemicals directly!

• If absoluteley necessary to smell, use your hand to fan the vapor to your nose.

Do not pipet solutions by mouth!

• Use a rubber suction bulb or other device to fill a pipet.

Wash your hands with soap and water before leaving.

• This rule applies even if you have been wearing gloves!

Know the hazards of the materials being used.

• Read and reread labels carefully to make sure that you are using the right chemical.

• Know how to interpret data from a MSDS.

Tie Back Loose Hair

• Dangling hair can fall into the Bunsen burner and catch fire or can fall into a chemical solution

• P.S. Burning hair REALLY STINKS!

Know the safety equipment

• Eye wash fountain

• Safety shower

• Fire extinguisher

• Emergency exits

Know how to use the safety equipment

• Eye wash Fountain

• Safety Shower

• Fire extinguisher

• Emergency Exit

Know how to respond to an emergency

Never remove chemicals from the laboratory

This guy put chemicals in his locker!

Don’t work alone in the lab

• In case of a problem, you may need another person to prevent injury or even save your life!

Remember that the lab is a place for serious work!

Careless behavior may endanger yourself and others and will not be tolerated!

Demonstrate safe behavior

• Obey all safety instructions.• Clean up spills immediately;

IF you know how. If you are uncertain how to clean up a spill or if a large spill occurs, notify persons in accordance to the emergency procedure.

Demonstrate safe behavior

• Before leaving the lab:

Demonstrate safe behavior

• Before leaving the lab:– Return equipment and chemicals

to their proper places

Demonstrate safe behavior

• Before leaving the lab:– Return equipment and chemicals

to their proper places

– Be sure to replace the lids to all containers

Demonstrate safe behavior

• Before leaving the lab:– Return equipment and chemicals

to their proper places

– Be sure to replace the lids to all containers

– Clean up your work area

Know how to dispose of waste

• Dispose of all waste materials according to your instructional

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First AidFirst Aid

Injury: BurnsWhat To Do: Immediately flush with

cold water until burning sensation is lessened.

First AidFirst Aid

Injury: Cuts, bruisesWhat To Do: Do not touch an open wound

without safety gloves. Pressing directly on

minor cuts will stop bleeding in a few minutes. Apply cold compress to bruises to

reduce swelling.

First Aid

Injury: Fainting

To Do: Provide fresh air and have the person recline so that their head is lower than the rest of their body.

First AidFirst Aid

Injury: EyesWhat To Do: Flush eyes

immediately with plenty of water for several minutes. If a

foreign object is lodged in the eye, do not allow the

eye to be rubbed.

First AidFirst Aid

Injury: PoisoningWhat To Do: Find out what

substance was responsible for the poisoning and alert the

teacher immediately.

First AidFirst Aid

Injury: Spills on the skinWhat To Do: Flush with large

quantities of water. For acid spills, apply baking soda solution. For base spills, apply vinegar or boric acid.