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SHEET /m/carbon-dioxide · PubChem CID 280 · CAS 124-38-9 · REV 2026.07

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Carbon dioxide

from source

CO2 · 44.009 g/mol

carbonic acid gas · carbonic anhydride · methanedione · carbonic acid anhydride

What is Carbon dioxide?

The gas you exhale, the fizz in a soda, and the molecule plants pull out of the air to build themselves. Found in beer, soft drinks, and tonic water. from source

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Fig. 1 · 2D structure RDKit

SMILESC(=O)=O

Where you'll find it

Curated by MoleculeFinder from source

Toxicity & hazards

WarningCompressed gasIrritantH280, H281, H336from source

Sources & methodology

PubChem CID
280
Wikidata
Q1997
Structure
PubChem → RDKit
Everyday relationships
MoleculeFinder editorial curation
Data refreshed

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