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Ethanol (also called ethyl alcohol, grain alcohol, drinking alcohol, or simply alcohol) is an organic compound with the chemical formula CH3CH2OH. It is...

Urea, also called carbamide (because it is a diamide of carbonic acid), is an organic compound with chemical formula CO(NH2)2. This amide has two amino...

An ion (/ˈaɪ.ɒn, -ən/) is an atom or molecule with a net electrical charge. The charge of an electron is considered to be negative by convention and this...

Redox (/ˈrɛdɒks/ RED-oks, /ˈriːdɒks/ REE-doks, reduction–oxidation or oxidation–reduction) is a type of chemical reaction in which the oxidation states...

A chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule...

NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response is a standard maintained by the U.S.-based National...

A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) containing atoms from more than one chemical element...

A molecule is a group of two or more atoms that are held together by attractive forces known as chemical bonds; depending on context, the term may or may...

Biochemistry, or biological chemistry (distinct from chemical biology), is the study of chemical processes within and relating to living organisms. A sub-discipline...

In chemistry, an ester is a compound derived from an acid (either organic or inorganic) in which the hydrogen atom (H) of at least one acidic hydroxyl...

Creatine (/ˈkriːətiːn/ or /ˈkriːətɪn/) is an organic compound that, in vertebrates, facilitates recycling of adenosine triphosphate (ATP), primarily in...

A phosphate is an anion, salt, functional group or ester derived from a phosphoric acid. It most commonly means orthophosphate, a derivative of orthophosphoric...

Polytetrafluoroethylene (PTFE) is a synthetic fluoropolymer of tetrafluoroethylene, and has numerous applications because it is chemically inert. The commonly...

Ozone (/ˈoʊzoʊn/ ), also called trioxygen, is an inorganic molecule with the chemical formula O 3. It is a pale-blue gas with a distinctively pungent odour...

Corrosion is a natural process that converts a refined metal into a more chemically stable oxide. It is the gradual deterioration of materials (usually...

Propane (/ˈproʊpeɪn/) is a three-carbon chain alkane with the molecular formula C3H8. It is a gas at standard temperature and pressure, but becomes liquid...

Sulfur dioxide (IUPAC-recommended spelling) or sulphur dioxide (traditional Commonwealth English) is the chemical compound with the formula SO 2. It is...

Organic chemistry is a subdiscipline within chemistry involving the scientific study of the structure, properties, and reactions of organic compounds and...

Poly(methyl methacrylate) (PMMA) is a synthetic polymer derived from methyl methacrylate. It is a transparent thermoplastic used as an engineering plastic...

Polyethylene terephthalate (or poly(ethylene terephthalate), PET, PETE, or the obsolete PETP or PET-P) is the most common thermoplastic polymer resin of...