Carbon dioxide

Drug ingredient

CAS 124-38-9

This drug ingredient has classified U.S. production volumes. EPA withholds the number as confidential business information.

Molecular structure of 124-38-9
US productionCBI
Import value, 2024$29M
Top sourceCanada 26%

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2023.

Where It Comes From

Customs basis: HS 281121 · exact

EPA reports by year
2023
US production Confidential · Imports Confidential
2019
US production Confidential · Imports Confidential
Source Countries
CA 26%CanadaIL 22%IsraelTW 16%TaiwanHU 9%HungaryAT 9%Austria
EPA-registered manufacturers (64)
Basf Se · DE Germany
Equate Petrochemical Co K S C C · KU KU
Incitec Pivot · AU Australia
Indorama Netherlands Bv · NL Netherlands
Kuraray · JP Japan
Domestic parents -- activity not disclosed (6)
BP
Conocophillips
Eastman Chemical
Martinez Renewables
Pbf Holding
EPA-registered importers (1)
Ineos Styrolution America
38 FDA-registered drug labelers
A-OX Welding Supply, LLC
Aero All Gas Company
AGL Inhalation Therapy Co.
Air Source Industries Inc
AIRGAS THERAPEUTICS LLC
Airgas Usa, LLC
American Welding & Gas, Inc.
Arcet Equipment Company dba Arc3 Gases North
Central Welding Supply Company
Deseret Biologicals, Inc.
DJB Gas Services, Inc
General Air Service & Supply Co
Haun Specialty Gases, Inc.
Holston Gases, Inc
ILMO Products Company
Keen Compressed Gas Co. Inc.
Linde Gas & Equipment Inc.
Linde Inc.
Linde Puerto Rico B.V.
Machine & Welding Supply Company dba Arc3 Gases South
Maine Oxy-Acetylene Supply Company
Matheson Tri-Gas, Inc.
MEDICAL-TECHNICAL GASES, INC.
MESSER GAS PUERTO RICO, INC
Messer LLC
Messer Merchant Production LLC
MITCHELL WELDING SUPPLY DBA Meritus Texas
NexAir, LLC
Norco, Inc
Oxarc, LLC
Professional Complementary Health Formulas
Red Ball Oxygen Co., Inc.
Reliant Holdings, Ltd
Roberts Oxygen Company, Inc.
SPI Pharma, Inc.
WELDERS SUPPLY COMPANY OF LOUISVILLE, INC.
Westair Gases & Equipment, Inc.
WSM SUPPLIER LLC.

Why It Matters

Sectors
HealthAgricultureFoodEnergyPlastics & RubberConsumer ProductsCore Chemicals
Downstream Uses

Appears in 15 drug and cosmetic product listings (FDA).

  • •Carbon Dioxide
  • •Carbon Dioxide Air Mixture
  • •Carbon Dioxide-Oxygen-Nitrogen Mixture
  • •Carbon Dioxide-Oxygen Mixture
  • •Carbon Dioxide Oxygen
  • •Carbon Dioxide Compressed
  • •Carbon Dioxide Oxygen Mix
  • •Pollutox
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 6 sectors as 6 functional roles.

  • •Intermediate in All Other Basic Organic Chemical ManufacturingProcessing as a reactant
  • •Fixing agent (mordant) in All Other Basic Inorganic Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Intermediate in Petrochemical ManufacturingProcessing as a reactant
  • •Chemical reaction regulator in All Other Basic Inorganic Chemical ManufacturingProcessing as a reactant
  • •Processing aids, specific to petroleum production in Oil and Gas Drilling, Extraction, and Support activities (98%)Processing—repackaging
  • •Propellants, non-motive (blowing agents) in Industrial Gas Manufacturing (2%)Processing—repackaging
  • •Soil amendments (fertilizers) in Agriculture, Forestry, Fishing and Hunting (100%)Processing as a reactant

Chemical Identity

CAS124-38-9
PubChem CID280
DTXSIDDTXSID4027028
FormulaCO2
Mol. Weight44.009 g/mol
SMILESC(=O)=O

Data Sources

Brief citations

Carbon dioxide (CAS 124-38-9) https://chemicalindependence.com/chemical/124-38-9/ EPA CompTox (DSSTox): DTXSID4027028. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4027028 PubChem: 280. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/280 EPA Chemical Data Reporting: 124-38-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting FDA National Drug Code directory: CAS 124-38-9. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 281121 for CAS 124-38-9. Reporting year: 2024. https://usatrade.census.gov/