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, …

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 …

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 …

Acetaminophen (paracetamol), also commonly known as Tylenol, is the most commonly taken analgesic worldwide and is recommended as first-line therapy in pain conditions by the World …

PERIODIC TABLE OF ELEMENTSElectronegativity 18

Capsaicin is most often used as a topical analgesic and exists in many formulations of cream, liquid, and patch preparations of various strengths; however, it may also be found in some …

Of all the elements, gold in its pure state is undoubtedly the most beautiful. It is metallic, having a yellow color when in a mass, but when finely divided it may be black, ruby, or purple.

Methamphetamine is a member of the class of amphetamines in which the amino group of (S)-amphetamine carries a methyl substituent. It has a role as a neurotoxin, a psychotropic drug, a …

PERIODIC TABLE OF ELEMENTS

The name derives from the Greek argos for "lazy" or "inactive" because it does not combine with other elements. It was discovered in 1894 by the Scottish chemist William Ramsay and the …