64-18-6 | Formic Acid

Chemical type

• CO₂ hydrogenation product

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• Carboxylic acid (shortest chain)

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Key properties

• Liquid organic acid
• Can act as hydrogen carrier

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• Strong intermolecular hydrogen bonding
• Forms cyclic dimers in vapor phase
• Freezes at 8.3°C
• Thermally decomposes above 160°C
• High volumetric hydrogen density
• Liquid at near-ambient conditions
• Complex phase behavior influencing vapor-liquid equilibria, densities, and vaporization enthalpies

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• Chemical intermediate
• Potential energy storage molecule
• Produced via low-hydrogen stoichiometry routes

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• Sustainable chemical intermediate for synthesis of esters, formates, and derivatives
• Preservative and processing aid in food, leather, and textile industries
• Reducing agent in chemical processes
• Liquid hydrogen carrier (catalytically decomposes to H₂ and CO₂ in fuel cells)
• Working fluid in thermodynamic cycles such as high-temperature heat pumps and Rankine cycles
• Product from CO₂ electrochemical reduction for carbon utilization

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Classification by use

• Chemicals used as hydrogen carriers
• Chemicals used as intermediates

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• Chemicals used as hydrogen carriers
• Chemicals used in carbon capture and utilization (CCU)

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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] Thermodynamic Modeling of Formic Acid with SAFT-VR Mie DBD for Energy Applications: Heat Pumps, Rankine Cycles, and CO₂ Electrochemical Reduction, Fluid Phase Equilibria, 5 February 2026, 114692