Carbon Dioxide (CO2)

Carbon Dioxide (CO2) High Purity Gas

Messer’s carbon dioxide gas solutions support applications in food processing, beverage carbonation, and industrial manufacturing. In the food industry, CO₂ is used for chilling, freezing, and extending product freshness, while breweries and soft drink manufacturers rely on it for carbonation. In industrial applications, CO₂ is used for pH control, dry ice blasting, and as a shielding gas in welding. Messer offers carbon dioxide in various supply forms, from small cylinders to bulk storage and dry ice, ensuring a consistent, high-quality supply for businesses of all sizes.

Technical Specifications

Boiling point:
-78.5°C
Gas density @21°C, 1 atm:
1.842 g/L
Conversion liquid to gas @15°C, 1 atm: ​
1L to 842 L
TC classification:
2.2

For detailed application information, please refer to the technical data/specification sheets in the catalogue.

Most Commonly Purchased Carbon Dioxide Gases

Messer supplies gases in a range of purity levels and formats to meet industrial, research, and precision needs. With delivery options including cylinders, dewars, bulk storage, and on-site generation, we ensure consistent quality, performance, and efficiency.

R744 Carbon Dioxide GR3.0

R744 is the refrigerant-grade form of carbon dioxide (CO₂), used as a natural, non-ozone-depleting alternative in commercial and industrial refrigeration systems. Known for its low global warming potential (GWP) and excellent thermodynamic properties, R744 is ideal for environmentally conscious applications such as supermarket refrigeration, cold storage, and heat pump systems.

Carbon Dioxide USP Medical Grade, Compressed

Complies with United States Pharmacopoeia (USP). Used to increase depth of anaesthesia rapidly when volatile agents are being administered. Also used for clinical and physiological investigation.

Carbon Dioxide Industrial Grade, Compressed

Carbon Dioxide (CO2) is the most versatile of all gases. Its physical and chemical properties and its ability to be processed into a liquid, gas or solid, make it ideal for a variety of diverse applications.

Carbon Dioxide Beverage Grade, Compressed

This product is used in the dispensing of beverage products that require carbonation. These can include soft drinks, water, wine and beer products.

Browse our full line of Carbon Dioxide Gases on Messer WebShop

Gas Grades & Formats

Carbon Dioxide / R-744 / CO₂
CGA: 320
CAS: 124-38-9
Shelf Life: 60 months

AUTO
ENERGY
FOOD
MANUF
MEDICAL
METAL
SEMI

CO₂
CGA: 320
CAS: 124-38-9

CO₂
CGA: 320
CAS: 124-38-9

Related Equipment

Regulator Concoa 312-3331-10-320 Dual-Stage, Chrome-Plated Brass – 4 Ports

The 312 Series regulators are intended for primary pressure control of non-corrosive, high purity or liquefied gases for applications requiring constant pressure control and delivery regardless of supply pressure variations.

Data Sheets & Resources

View technical data sheets and other safety information in our resource library.

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