Carbon Dioxide

Specification    

Purity,% 99.995 99.999
Oxygen ≤5 ppmv ≤1 ppmv
Nitrogen ≤30 ppmv ≤3 ppmv
Carbon monoxide ≤2.0 ppmv ≤0.5 ppmv
Total hydrocarbon ≤20 ppmv ≤4 ppmv
Moisture ≤8 ppmv ≤3.0 ppmv
Hydrogen ≤2 ppmv ≤0.5 ppmv

transportation    

DOT shipping name Carbon dioxide
DOT classification 2.2
DOT label Non-flammable gas
UN NO. UN1013
CAS No. 124-38-9
CGA/DISS/JIS/BS341/DIN477 320/716/W22-14R/NO.8/NO.6
Transportation status Liquefied gas

Technical Information    

Cylinder condition @ 21.1°C liquid
The combustion limit in the air is not combustible
Natural temperature (°C)-
Molecular weight (g/mol) 44.01
Specific gravity (air =1) 1.527
Critical temperature (°C) 31.04
Critical temperature (psig) 1056.29

Application

1. Food processing applications: a natural anti-bacterial that uses carbon dioxide to increase the shelf life of many foods.
2. Mix with ethylene oxide for sterilization.
3. Environmental application: as an alternative to sulfuric acid, used for acid-base balance control.
4. Instrument gas, used in the elemental analysis instrument of atomic absorption.
5. The composition of the instrument gas mixture is used in the optical analysis method.
6. The components of laser gas.
7. Component of standard gas, used in environmental monitoring system.
8. Medical applications: used to create pressure close to the physiological environment in the cultivation of artificial organs.
9. Medical application: a component of a mixture of oxygen or air, used as a breathing stimulant to promote deep breathing.
10. Semiconductor applications: chemical vapor deposition of silicon dioxide.
11. As a supercritical fluid in chromatography and extraction applications.
12. Used to implant trace elements or color pigments in various polymers.