Constituent
Name
CO2 gas 99.995%
Family
gas
Class
molecular gas
Compound type
gas
Constituent abundance in material
Relevance
main - major
Arrangement
single phase
Mass fraction
1.0 ± 0.001
Chemical composition
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Mole fraction Mass fraction State Relevance Comments
CO2 Carbon dioxide molecule 0.999975 ± 2.5e-05 0.999986315696557 ± 7.49995986843143e-05 pure main stated purity: > 99.995% - natural istopic composition, but possible fractionation
CO Carbon monoxide molecule 1e-06 ± 1e-06 6.36463233256119e-07 ± 6.36495056417782e-07 mixed impurity maximum impurity in CO2 gas bottle: 2 ppm
H2O Water molecule 3.5e-06 ± 3.5e-06 1.43273953281236e-06 ± 1.432811169789e-06 mixed impurity maximum impurity in CO2 gas bottle: 7 ppm
O2 Oxygen molecule 5e-06 ± 5e-06 3.63547970700918e-06 ± 3.63566148099453e-06 mixed impurity maximum impurity in CO2 gas bottle: 10 ppm
H2 Hydrogen molecule 5e-07 ± 5e-07 2.29030177124319e-08 ± 2.29041628633175e-08 mixed impurity maximum impurity in CO2 gas bottle: 1 ppm
N2 Nitrogen molecule 1.25e-05 ± 1.25e-05 7.95671795224436e-06 ± 7.95711578814197e-06 mixed impurity maximum impurity in CO2 gas bottle: 25 ppm
CnHm Hydrocarbons molecule 2.5e-06 ± 2.5e-06 mixed impurity maximum CnHm impurities in CO2 gas bottle: 5 ppm
Chemical functions
  Function Number Relevance
R−OH 2 impurity
R−CH3 impurity
R−CH2−R impurity
R=CH2 impurity
R2>CH−R impurity
R=CH−R impurity
R≡CH impurity
R2>C=C<R2 impurity
R−C≡C−R impurity
Chemical bonds
  Bond Number Relevance
=C=O 2 main
C−≡O+ 1 impurity
−O−H 2 impurity
O=O 1 impurity
H−H 1 impurity
N≡N 1 impurity
≥C−H impurity
⪖C−H impurity
≡C−H impurity
≥C−C≤ impurity
>C=C< impurity
−C≡C− impurity
Phase type
gas
Texture
gas