All compounds

2HO2H
Formula
D2O
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
D₂O, deuterium oxide and dideuterium monoxide
Wikidata
Same formula Other compounds made of the same atoms
tritiated water, semiheavy water, water O-15
Wikidata
Unlabelled The same atoms, with no particular isotope
water, ice
Wikidata
CAS Registry Number
7789-20-0
Wikidata
PubChem
CID 24602
Wikidata
InChIKey
XLYOFNOQVPJJNP-ZSJDYOACSA-N
Wikidata
SMILES
[2H]O[2H]
Wikidata
Wikidata item
Q155890
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.