ChemH: Safety

Boudreaux 2023

ALK

alkaline

Blue square meaning

Healrh

caustic substance safety

Do not pour water into strong acids
The mixture causes an exothermic reaction
May splatter

Chemical Safety

-never return unused chemicals to original container
-label all beakers and test tubes
-do not mix chemicals unless instructed to do so
-if a chemical spills notify the instructor immediately

Clothing protection

Wear an apron or lab coat
Tie back long hair
No long sleeve clothing
No loose jewelry
No open toe shoes

COR

corrosive

Crossed out w

Use no water

eye protection

Wear safety goggles
Know how to use eye wash station

Glassware Safety

Inspect glassware
Never use chipped or cracked glassware
Never place glassware near the edge of the lab bench

Hand Safety

Wear protective gloves
Use hot mitt or tongs to handle equipment

Heating Safety

Avoid using open flames
When heating a chemical in a test tube, point open end away from yourself and others

HMIS White square meaning

personal protection

Most hazard is \___ least hazard is \___

4,0

MSDS stands for

Material Safety Data Sheet

NFPA white square meaning

Special

OXY

Oxidizer

RAD

Radiation hazard

Red square meaning

Flammability

What does HMIS mean?

Hazardous Material Information System

What does nfpa mean?

National Fire Protection Association

Yellow square meaning

Reactivity