1. C4: Hazards

2. What do hazard symbols mean
Meaning
Safety precautions
Wear eye protection and….
Toxic – can cause death, if absorbed by skin, swallowed or breathed in
Wear gloves
Work in fume cupboard or wear mask over mouth and nose
Harmful – like toxic substances, but less dangerous
Wash off spills quickly
Use in a well –ventilated room
Corrosive – attacks surfaces and living tissues like eyes and skin
Explosive
Avoid situations in which explosion could be initiated.
Highly flammable – catches fire easily
Keep away form flames, sparks and oxidising chemicals
Oxidising – provides oxygen so other chemicals burn more fiercely
Keep away from flammable chemicals