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 even test your elements knowledge by playing a periodic table game!

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, biological activities, safety and toxicity information, patents, …

Periodic Table element Summary Sodium Sodium is a chemical element with symbol Na and atomic number 11. Classified as a n alkali metal, Sodium is a solid at room temperature.

PubChem 3D Viewer consists of several interface elements providing different views of 3D structures and organizing acces to multiple commands and options in the program. The application window is split into three sections: the tabbed 3D Viewers on the left, the tabbed Controls section on the right and the Information section at the bottom of the application window.

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 different countries. GHS includes criteria for the classification of health, physical and environmental hazards, as well as specifying what information should be included on labels of …

Cocaine is a tropane alkaloid obtained from leaves of the South American shrub Erythroxylon coca. It has a role as a local anaesthetic, a central nervous system stimulant, a sodium channel blocker, an adrenergic uptake inhibitor, a dopamine uptake inhibitor, a serotonin uptake inhibitor, a sympathomimetic agent, a vasoconstrictor agent, a xenobiotic, an environmental …

Ethanol | CH3CH2OH or C2H6O | CID 702 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities ...

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

PubChem Sketcher V2.4

Periodic Table element Summary Potassium Potassium is a chemical element with symbol K and atomic number 19. Classified as a n alkali metal, Potassium is a solid at room temperature.