Skip to main content

Carbon dioxide

Also known as: CO2, Carbon Dioxide [USAN], Carbon dioxide (JP15/USP), Carbon dioxide-free water, Carbon oxide, di-, Dioxide, Carbon, Dry ice, EINECS 204-696-9, MFCD00011491, Methanedione, Standard solution for the determination of carbon dioxide, carbon dioxide, carbon/carbondioxide, carbondioxide(co2), carbondioxide(non-specificname), carbondioxide,refrigeratedliquid, carbondioxide,solid, carbondioxidegas, carbonyl oxide, dioxidocarbon

Carbon dioxide (CAS 124-38-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula CO2 and a molecular weight of 44.009 g/mol. Key properties include a melting point of −78.5 °C(lit.), a boiling point of -88.5±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of -131.1±13.9 °C. It is classified under GHS with signal word Warning and hazard statements H280. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
124-38-9
Jingsj CID
J-24015-2
Molecular Formula
CO2
Molecular Weight
44.009 g/mol
Category
Organic Compounds
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point−78.5 °C(lit.)
Boiling Point-88.5±9.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point-131.1±13.9 °C
Exact Mass43.989830
PSA34.14000
LogP0.83
Additional Property1.52 (vs air)
Vapor Pressure28293.1±0.1 mmHg at 25°C
Refractive Index1.247

GHS Safety & Compliance

Compressed GasSignal word: Warning
  • H280

Customs & Trade Information

HS Code2811210000

Frequently Asked Questions

What is the CAS number of Carbon dioxide?

The CAS number of Carbon dioxide is 124-38-9.

What are the molecular formula and molecular weight of Carbon dioxide?

Carbon dioxide has molecular formula CO2 and molecular weight 44.009 g/mol.

Is Carbon dioxide hazardous?

Carbon dioxide has GHS signal word Warning and hazard statements H280.

What are the upstream and downstream products of Carbon dioxide?

For Carbon dioxide, Downstream Products: 4-Borono-2-(trifluoromethyl)benzoic acid, Cesium bicarbonate, Cesium oxalate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Carbon dioxide (CAS 124-38-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24015-2 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.