Carbon dioxide (carbon dioxide, carbon dioxide, carbon monoxide (IV), carbon dioxide, carbonic anhydride, chemical formula CO₂) is a colorless gas (under normal conditions) odorless (in high concentrations with a sour «soda» odor), easily dissolves in water. It’s an essential element in the photosynthesis process. Plants absorb Carbon dioxide during daylight hours. The process of photosynthesis takes place, as a result of which Oxygen is produced.
The density of Carbon dioxide under normal conditions is 1.98 kg/m³ (1.5 times heavier than air). At atmospheric pressure, Carbon dioxide does not exist in a liquid state, passing directly from a solid to a gaseous state (sublimation). Solid carbon dioxide is called «dry ice».
At elevated pressure and normal temperatures, Carbon dioxide turns into a liquid state of aggregation. And this property is used to store large quantities of it.

Carbon dioxide has a relatively low critical temperature of +31°C. About 24 kg of liquefied Carbon dioxide is poured into a standard 40-liter cylinder and at room temperature there will be a liquid phase in the cylinder, and the pressure will be 5.88 MPa (60 kgf/cm²). If the temperature is above +31°C, then Carbon dioxide will go into a supercritical state with a pressure above 7.36 MPa. The standard working pressure for a conventional 40-liter cylinder is 14.7 MPa (150 kgf/cm²), but it must safely withstand a pressure 1.5 times higher, that is, 22.5 MPa, and thus working with such cylinders can consider quite safe.


Scopes of Carbon dioxide:

  • in the food industry for the creation of carbonated drinks and as a preservative and baking powder (code E290);
  • in mechanical engineering, to create a protective environment when welding metals;
  • in agriculture as a plant growth stimulant and preservative for fodder ensiling;
  • in medicine (cryosurgery) it is used as one of the main substances for the treatment and removal of neoplasms;
  • as a fire extinguishing agent in gas fire extinguishing installations and fire extinguishers;
  • in pneumatic weapons (in gas-cylinder pneumatics) and as a source of energy for engines in aircraft modeling;
  • as a refrigerant (solid state – “dry ice”) in laboratory research, in retail trade, during equipment repair.

The Carbon dioxide produced by Ingas LLC complies with TU U 24.1-14361569-006: 2006.

Formula: CO₂
General Description: non-flammable, non-toxic gas (liquefied gas); odorless, colorless and tasteless
Atomic (molar) mass: 44.01 g/mol
Properties of the chemical element0°С
(273.15°K, 32℉)
& 760 mm Hg
(1 atm (physical),
1.033 at (technical),
101.325 кN/м², 101.325 кPа)
(273.15°K, 32℉)
& 26112,349 mm Hg
(34.36 атм (physical),
35.5 at (technical),
3481.36 кPа)
(194.65°K, -109.3℉)
State of aggregation:gasliquidsolid
Density at various temperatures and pressures:1.9768 kg/m³925.00 kg/m³1560.00 kg/m³
NoNames of gas
and controlled impurities
Formula of an element
or chemical compounds
Gas purity
and content of its controlled impurities
(vol.%, ppmv, µm)
Brand 4.0
1.Carbon dioxideCO₂   99.99 об.%
2.HydrogenH₂⩽0.003 об.%
3.Carbon monoxideCO⩽0.001 об.%
4.NitrogenN₂⩽0.002 об.%
5.OxygenO₂⩽0.0005 об.%
6.Amount of hydrocarbons∑CnHm⩽0.0005 об.%
7.Nitrogen dioxide + nitrogen oxide NO+NO₂⩽0.00002 об.%
8.SulfurS⩽0.0001 об.%
9.MoistureH₂O⩽0.0005 об.%
10.The size of mechanical impurities⩽5 µm
12.Tastenice smell, moderately acidic
CAS Number: 124-38-9
UN Number: UN 1013
DOT Shipping Name: CARBON DIOXIDE, liquefied
DOT Classification: 2.2 (refrigerated liquefied gas, asphyxiant)