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CO₂

Carbon Dioxide

Carbon dioxide is a colorless, odorless, tasteless and non-toxic gas. Melting point -56.6°C (0.52MPa), boiling point -78.6°C (sublimation), density 1.977g/L.

Carbon dioxide has a wide range of industrial uses.

Dry ice can be obtained by liquefying carbon dioxide into a colorless liquid under a certain pressure, and then rapidly solidifying under low pressure. Its temperature is minus 78.5 ℃. Because of its very low temperature, dry ice is often used to keep objects frozen or cryogenic.

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Carbon Dioxide
Carbon Dioxide
Carbon Dioxide
Carbon Dioxide
Carbon Dioxide
Carbon Dioxide
Carbon Dioxide
Carbon Dioxide
Carbon Dioxide
Carbon Dioxide
Carbon Dioxide
Carbon Dioxide
Process

Carbon dioxide is recovered from many different sources. It is obtained as an off-gas from fermentation processes, lime-stone kilns, natural CO2 springs, as well as gas streams from chemical and petrochemical operations. Recently, CO2 is also recaptured from the off-gas from power plants.

ProductCarbon Dioxide/Dry Ice
CAS No.124-38-9
Purity≥99.0%
Applications
  • Chemical
    Chemical

    Carbon dioxide is used extensively as a neutralizing agent for pH control,for example, in cement curing water treatment and in many other commercially important chemical applications.

  • Medical
    Medical

    Carbon dioxide is employed in medicine in mixtures with oxygen, for reanimating victims of asphyxiation (drowning, electrocution, carbon monoxide poisoning, diphtheritic toxin morphine, scopolamine). It also serves in the treatment of certain skin affections. Carbon dioxide is also used for blood analysis and dehydration of penicillin.

  • Semiconductors
    Semiconductors

    Carbon dioxide is used for the chemical vapour deposition of silicon dioxide.

  • Food
    Food

    A substantial volume of carbon dioxide is used for carbonating baverages such as beer and many soft drinks and conservation of wine, unfermented grape juice and various fruit juices.

  • Agricultural
    Agricultural

    Carbon dioxide is used to modify atmospheres, for example in green houses where it increases plant growth rates or combined with nitrogen to prolong quality in food packaging applications(MAP).

  • Industrial
    Industrial

    Carbon dioxide is used as an inerting agent for various mild steel welding operations, often in combination with argon.

  • Dry Ice
    Dry Ice

    Solid carbon dioxide(Dry Ice) is used as blasting agent and refrigerant. Solid carbon dioxide is used for cooling gas chromatography ovens.

  • Liquid CO2
    Liquid CO2

    Liquid carbon dioxide is becoming increasingly used as a refrigerant in mechanical refrigerating systems due to its environmental credentials.

  • Environmental
    Environmental

    Carbon dioxide is used in mixtures for car emission monitoring and environmental monitoring. Carbon dioxide is used for fire extinguishing.

Frequently Asked Question
  • Q: What’s the specification can you supply?

    Cylinder: 40L    Valve: G5/8 CGA580   Content: 18Kg
    Cylinder: 440L   Valve: DISS716        Content: 250Kg

  • What is the molar mass of carbon dioxide?

    The molecular mass of carbon dioxide is 44.01amu.

  • What is carbon dioxide chemical formula?

    CO2

  • What are the uses of carbon dioxide?

    High-purity carbon dioxide is mainly used in the electronics industry, medical research and clinical diagnosis; gaseous carbon dioxide is used for carbonated beverage addition, pH control, chemical processing, welding gas; solid carbon dioxide (dry ice) is widely used in food refrigeration, etc.

  • Is carbon dioxide a greenhouse gas?

    Yes. Greenhouse gases refer to some gases in the atmosphere that absorb solar radiation reflected from the ground and re-emit the radiation, such as water vapor, carbon dioxide, most refrigerants, etc. They warm the earth's surface and heat the air in the greenhouse.

  • What are the sources of carbon dioxide?

    There are many sources of carbon dioxide emissions, including: ① combustion of fossil fuels (coal, oil, natural gas); ② production and processing of coal and oil; ③ animal respiration and feces; ④ plant respiration and humic acid fermentation; ⑤ Fermentation and decay of organic matter (animals, plants); ⑥ Volcanic eruptions, forest fires, etc.

  • How Carbon Dioxide Is Formed?

    All organic matter, including animals and plants, can be released during the process of decomposition, fermentation, decay, and metamorphism, and CO2 is also released during the combustion of petroleum, paraffin, coal, and natural gas.

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