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 ...

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 ...

Every country has a published controlled substance list, but the named substances are only common examples. The list also covers analogs and defined chemical space around these substances, which ...

In some occupations, working with toxic substances and chemicals is required, so what can be done to keep employees and the worksite safe? It’s estimated that the U.S. uses more than 86,000 types of ...

TNO developed an online search tool that automatically combines relevant information about the risks of substances from various sources.

On May 8, CAS (Chemical Abstracts Service) registered its 150 millionth unique chemical substance—a 2-pyrimidinamine carbonitrile derivative, one of several promising compounds studied as inhibitors ...

In Texas, environmental activists and experts raise the alarm about the potential impact on public health if the Toxic Substances Control Act is weakened.

White phosphorus is a highly reactive chemical substance often used in military operations. It reacts strongly with oxygen and can ignite on its own in air at around 30°C.

Various types of chemicals can be harmful to your body through immediate or prolonged exposure, including common items in your home, school, or workplace. You might encounter a variety of chemical ...

An international research team led by the University of Bremen has detected chlorofluorocarbons (CFCs) in Earth's atmosphere for the first time in historical measurements from 1951—20 years earlier ...