Carbon dioxide
Carbon Dioxide (CAS: 124-38-9; Formula: CO2; MW: 44.01 g/mol) is a colourless, odourless gas essential in numerous industrial and scientific processes. It finds application in chemical synthesis, as a specialty gas, and as a synthetic reagent. With a high assay of ≥99.998%, Tech Serve Solutions supplies high-purity carbon dioxide for demanding applications where precise control and minimal impurities are critical.

Chemical Synthesis
Carbon dioxide serves as a fundamental building block or reactant in various chemical synthesis pathways, enabling the creation of diverse organic and inorganic compounds.
Specialty Gases
As a specialty gas, CO2 is utilised in controlled atmospheres, calibration mixtures, and as a component in gas streams requiring specific properties for industrial or analytical purposes.
Synthetic Reagents
In its role as a synthetic reagent, carbon dioxide facilitates reactions and transformations, contributing to the production of intermediates and final products in organic chemistry.
| Molecular weight | 44.01 |
|---|---|
| Empirical formula | CO2 |
| Assay | ≥99.998% |
| Vapour pressure | 56.5 atm (20 °C) |
| Vapour density | 1.52 (vs air) |
| Melting point | −78.5 °C(lit.) |

Hazard statements
- H280Contains gas under pressure; may explode if heated
Precautionary statements
- P410Protect from sunlight
| Protective equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Transport (UN / ADR) | UN 1013 2.2 |
| Water hazard class (WGK, DE) | nwg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Isotopic Purity | 99.9 atom % 12C |
|---|---|
| Mass Shift | depleted |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Carbon Dioxide (CAS: 124-38-9) used for?
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Carbon Dioxide (CAS: 124-38-9) is used in chemical synthesis, as a specialty gas, and as a synthetic reagent.
What are the CAS number and formula for Carbon Dioxide?
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The CAS number for Carbon Dioxide is 124-38-9, and its formula is CO2.
What grade and purity does Tech Serve Solutions supply for Carbon Dioxide?
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Tech Serve Solutions supplies Carbon Dioxide with an assay of ≥99.998%. This is not a USP, BP, or EP grade; it is supplied for technical and research applications.
How should Carbon Dioxide be handled safely?
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Carbon Dioxide is supplied under pressure and carries the GHS hazard statement H280 (Contains gas under pressure; may explode if heated). Handle with appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection as needed. Store cylinders upright in a well-ventilated area away from heat sources, following precautionary statements P410 + P403.
Is Carbon Dioxide (124-38-9) available for export?
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Yes, Tech Serve Solutions exports Carbon Dioxide (CAS: 124-38-9) globally. Please contact us for specific shipping and handling details.
How can I request a sample or quote for Carbon Dioxide?
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To request a sample or quote for Carbon Dioxide, please use the contact form on our website or call our sales department directly, referencing product code 124-38-9.
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