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Carbon dioxide (CO2)

Medical carbon dioxide gas is normally mixed with other gases and used as a respiratory stimulant in hospitals and local clinics.

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We provide medical carbon dioxide to help you meet your healthcare needs. Air Liquide Healthcare offers the highest grade medical gases to Canadian hospitals and local clinics.

Medical applications

Medical carbon dioxide gas is normally mixed with other gases and used as a respiratory stimulant.

In its pure form, carbon dioxide is used as an insufflation gas for minimally invasive surgical interventions such as laparoscopy, endoscopy, and arthroscopy to enlarge and stabilize body cavities in order to enhance visibility of the surgical area.

When delivered in a cylinder with a syphon tube, carbon dioxide is also used in cryotherapy to make dry ice at the hospital or in dental offices, where it helps preserve organs, tissues, and blood for storage or shipment.

Product information


Product form: Substance
Trade name: ALIGAL™ 2
Formula: CO2
Synonyms: Carbonic acid gas / Carbon dioxide / ALIGAL™ 2


Name Product identifier % Classification (GHS-CA)
Carbon Dioxide (CAS-No.) 124-38-9 <= 99.9 Press. Gas (Liq.), H280

Ordering information

Cylinder size guide

We offer CARBON DIOXIDE (DIN: 00572861) in a variety of cylinder sizes to meet the needs of your facility.

Ordering number Cylinder size  Content Pressure at 21°C  (P.S.I.) CGA connection Height Diameter Weight
COM3 3 (D) 1.9 kg 830 940 50.8 cm 10.2 cm 3.6 kg
COM5 5 (E) 3.2 kg 830 940 73.7 cm 10.2 cm 6.4 kg
COM22 22 (M) 9.1 kg 830 340 58.4 cm 20.3 cm 15.4 kg
COM44 44 (K) 22.7 kg 830 340 114.3 cm 21.6 cm 38.6 kg

Safety information

Carbon dioxide requires special care as it may displace oxygen and cause rapid suffocation. Know the hazards and promote education for your patients and medical staff, to avoid safety hazards and create a safe work and living environment.

Safety data sheet (SDS)

Safe cylinder handling

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Air Liquide Healthcare
6990 Creditview Road, Unit 6
Mississauga, ON L5N 8R9

Why choose us

  • Full-scope medical gases provider
    We are involved from production to patient therapy, and know medical gases intimately

  • Reliability
    You can depend on us to provide you with the right equipment and services to meet your facility's needs

  • Innovation
    Innovation is our vision: we prioritize quality of care through patient-centric products and services

  • Safety
    Ensuring the safety of your patients and staff is our top priority - our emphasis is on safety, compliance and risk management

  • Experienced
    We are owned by Air Liquide Group, the largest supplier of industrial, medical & specialty gases, found on every continent in the world

  • Coast-to-coast service network
    Our fill plants are widespread to shorten response-time and ensure supply chain reliability

  • Accreditation and regulation
    We help you ensure your facility's medical equipment is serviced and fully compliant with Canadian standards

  • Customized portfolio
    We supply a complete range of high-quality specialty gases, including mixtures used in specific applications to suit your needs