A chemical substance is a form of matter having constant chemical composition and characteristic properties. Some references add that chemical substance cannot be separated into its constituent ...

All substances have properties. These describe how a substance looks and behaves. There are two types of properties: physical and chemical. Watch this video about how physical and chemical properties ...

Carcinogens, reproductive toxins, and chemicals with high acute toxicity are high-risk materials and are classified by OSHA as “Particularly Hazardous Substances.” In addition to chemicals classified ...

A copy of each specified type of health and safety study which is in their possession at the time the chemical substance is listed; A list of the specified types of health and safety studies known to ...