Interactive periodic table with up-to-date element property data collected from authoritative sources. Look up chemical element names, symbols, atomic masses and other properties, visualize trends, or …

PubChem is the world's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, …

GHS, the Globally Harmonized System of Classification and Labeling of Chemicals, was developed by the United Nations as a way to bring into agreement the chemical regulations and standards of …

Explore atomic mass variations with atomic number in the periodic table through interactive plots on this informative platform.

Explore how density changes with atomic number in the periodic table of elements via interactive plots.

The PubChem Periodic Table and Element pages help users navigate the abundant chemical element data available within PubChem while providing a convenient entry point to explore additional …

Manganese is a chemical element with symbol Mn and atomic number 25. Classified as a transition metal, Manganese is a solid at 25°C (room temperature).

Explore how boiling point changes with atomic number in the periodic table of elements via interactive plots.

Explore how atomic radius changes with atomic number in the periodic table of elements via interactive plots.

Cocaine is a tropane alkaloid obtained from leaves of the South American shrub Erythroxylon coca. It has a role as a central nervous system stimulant, a sympathomimetic agent, an adrenergic uptake …