Self Reactive substances and mixtures organic peroxides
Flammable means that the material will burn or catch fire easily at normal temperatures. Combustible materials usually need to be heated before it starts to burn. Can be solid, liquid, or gas.
Oxidizers do not usually burn by themselves but they will either help the fire by providing more oxygen or make other material burn/catch fire. Some oxidizers are extremly dangerous because it can cause an explosion
A material which is gas at a normal temperature (20 degrees) but is packaged as pressured gas, dissolved gas or liquified by temperature or compression. It is dangerous excluding its chemical natures by sudden loss of integreity container it can become projected to a user or near by person causing lots of damage.
This material can cause secere burns to skin and tissues such as eye or lung.
Very poisonous and immediately dangerous to life and health. Serious harm can cause just minutes or hours after exposure
Can lead to serious long-term health effects such as reproductive toxicity.
Dangerous materials which can lead to serious eye damage/irritation, actute toxicity, and more
May cause damage to the aquatic environment
Can cause disease in people or animals. Includes bacteria, viruses, fungi, and parasites are found in the hospital, clinic, vetinary offices, and labratories. Workers should assume that every sample isndangerous because we can not see them.