Chemical Safety

Science Safety Symbols Symbols you may find when doing labs that alert you to work carefully.

Safety Symbol Whiteboard Review

Biohazard! Breakage Plant Safety Biohazard Poison

Safety Goggles! General Safety Awareness Safety Goggles Breakage Animal Safety

Electric Shock! Poison Corrosive Chemicals Sharp Objects

Animal Safety! Plant Safety Fumes Animal Safety Disposal

Breakage! Breakage Plastic Gloves Physical Safety Disposal

Plastic Gloves! Corrosive Chemicals Heat Resistant Gloves Disposal

Fire Extinguisher Classification Symbols Class A – used to extinguish flames on ordinary combustibles (wood, cloth, paper) Class B – used to extinguish flames on liquids (liquids, grease, gases) Class C – electrical equipment (things you plug in to the wall) Class D – fires involving metals (magnesium, titanium)

NFPA Chemical Hazard Labels The National Fire Protection Association has developed a color coded, numerical system for indicating hazards of chemicals. Diamond symbol is divided into 4 types of hazards: Health Hazards (blue) Flammability Hazards (red) Reactivity Hazards (yellow) Special Hazards (white) Levels of hazard (0-4) 0 is not hazardous, 4 is extremely hazardous

MSDS Material Safety Data Sheets – provide more detailed information regarding chemical safety Chemical Composition (what’s it made of?) Hazards First Aid & Exposure Storage

Reading MSDS’s It’s important to be familiar with chemicals before using them! How much can you learn about a chemical? Answer the questions on the handout using the MSDS at your table!