Compound

carbon dioxide

A colorless, odorless gas that can be formed by the body and is necessary for the respiration cycle of plants and animals.

Definition from MeSH (D002245), National Library of Medicine, read 2026-09-23. NLM revises MeSH; this copy may not reflect its current record.

CHEBI:16526ChEBI

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Structure

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A generated conformer of carbon dioxide — one low-energy arrangement PubChem computed, not a measured structure. Hydrogens are not drawn; the formula counts them.

Class: Inorganic compound
Formula: CO2
Mass: 44.009 g/mol
Charge: 0
InChIKey: CURLTUGMZLYLDI-UHFFFAOYSA-N
SMILES: O=C=O
Look it up: ChEBI PubChem By InChIKey

Identity from ChEBI, geometry from PubChem. Not evidence.

Reactions

1,296 reactions

A common cofactor or currency species. Appears in 1,296 reactions — see the full list.

On the label

Labelled products

1 product

Source: NIH DSLD · Ingredient: carbon dioxide · 1 product · Declared amount per serving: Not stated

0 labels state an amount1 does not

Order

Dong Wha Pharm. Co., LTD.GAS Whal Myung Su-Qamount not statedper 25 mLDSLD:12968

Label record: NIH Office of Dietary Supplements · CC0

Other names

9 names

Resolves to: carbon dioxide

Also called: [CO2]carbonic anhydrideCO2E 290E-290E290R-744
Systematic name: dioxidocarbonmethanedione