All compounds

carbon dioxide

chemical compound

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COO
Formula
CO2
Wikidata
Molar mass The mass of a mole of it, from the elements' atomic weights
44.009 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
E 290, E-290, E290, R-744, R744, [CO2], carbon oxide, carbonic acid anhydride, carbonic acid gas, carbonic anhydride and methanedione
Wikidata
What it is
trace gas
Wikidata
Same formula Other compounds made of the same atoms
Amorphous carbonia
Wikidata
CAS Registry Number
124-38-9
Wikidata
PubChem
CID 280
Wikidata
InChIKey
CURLTUGMZLYLDI-UHFFFAOYSA-N
Wikidata
SMILES
C(=O)=O
Wikidata
Wikidata item
Q1997
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.