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 ...

EPA recently issued significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for three chemical substances as a result of their premanufacture notices (PMNs). These rules ...

Companies planning to ship chemical-based products to the United States should have a basic understanding of the Toxic Substances Control Act (TSCA),[1] the key U.S. chemicals law. That law was ...

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 ...

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 ...

A chemical element is one of those squares on the periodic table that adorns many a classroom wall. Sure. But what is an element really? It is a more subtle question that you might realise. To get to ...

Everything around us is made of molecules. Molecules are in constant motion, and when they collide just right, chemical reactions can occur! Chemical reactions can happen fast or slow, and the ...

This press release was modified on 22 December 2023 to add the final text of Council regulation. The Council and the European Parliament reached a provisional agreement on the regulation for the ...

Johanna Berneron does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...