All compounds

water

chemical compound whose molecules are formed by two hydrogen atoms and one oxygen atom

OHH
Every atom drawn, its hydrogens with it.
Formula
H2O
Wikidata
Molar mass The mass of a mole of it, from the elements' atomic weights
18.015 g/mol
Worked out
Made of Atoms in one formula unit, and each element's share of the mass
3 atoms in all
Worked out
Other names
dihydridooxygen, dihydrogen monoxide, dihydrogen oxide, hydrogen hydroxide, hydrogen oxide, oxidane and pure water
Wikidata
Same formula Other compounds made of the same atoms
ice
Wikidata
Labelled with an isotope The same atoms, one of them a particular isotope, as in heavy water
heavy water, tritiated water, semiheavy water, water O-15
Wikidata
CAS Registry Number
7732-18-5
Wikidata
PubChem
CID 22247451, CID 962
Wikidata
InChIKey
XLYOFNOQVPJJNP-UHFFFAOYSA-N
Wikidata
SMILES
O
Wikidata
Wikidata item
Q283
Wikidata

Compounds from Wikidata, whose data is free of copyright (CC0): every item with a chemical formula and an article on the English Wikipedia. Their structures are laid out from Wikidata's SMILES by RDKit.

Data from mendeleev (© 2024 Lukasz Mentel, MIT licence), Wikipedia (CC BY-SA 4.0) and PubChem, from the National Center for Biotechnology Information. Every value names its source. Values marked predicted have not been measured.