124-38-9 | Carbon Dioxide

Chemical type

• Primary feedstock

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• Combustion product
• Greenhouse gas
• Non-reactive diluent in flames

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Key properties

• Highly thermodynamically stable molecule
• Linear structure with strong C=O bonds (bond dissociation energy ≈ 799 kJ/mol)
• Carbon is in the highest oxidation state (+4)

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• Contributes to global radiation balance and climate change
• Forms ozone, secondary organic aerosols, and photochemical smog
• Raman Q-branch transitions at 1285 cm⁻¹ and 1388 cm⁻¹ due to Fermi resonance between symmetric stretching mode (v₁) and first overtone of bending mode (2v₂)
• Vibrational period (τ_vib) of 24.15 fs for the 1388 cm⁻¹ bandhead
• Present in diesel exhaust as a major component

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• Renewable carbon source for chemical synthesis
• Reactant in hydrogenation, reforming, and non-reductive conversion reactions
• Feedstock for producing fuels, bulk chemicals, and polymers

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• Diluent in H₂/air flat-flame (seeded at 7% mole fraction in reactants)
• Emission component in diesel engines and biofuels
• Target for in-situ species detection and spectral suppression in combustion diagnostics using fs/ps CARS

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Classification by use

• Chemicals used as carbon feedstocks
• Chemicals used to synthesize fuels and commodity chemicals

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• Emissions from transportation sector (e.g., diesel vehicles)
• Species in complex combustion mixtures for spectroscopic analysis
• Pollutants in aftertreatment systems (sensitive to catalyst poisoning)

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A trustworthy factory and manufacturer

1. [Cite 1] Recent progress in microporous membrane reactors for catalytic conversion CO2 into value-added chemicals, Advanced Membranes, Volume 7, June 2026, 100190
2. [Cite 2] Coherent control for species selectivity in a flat-flame using femtosecond/picosecond coherent Raman scattering, Applications in Energy and Combustion Science, Volume 25, March 2026, 100443