Specialty Gases

Technical parameters:

English name: Carbon Dioxide

Alias: Carbon anhydride, dry ice, carbonic acid, carbonic anhydride, carbon dioxide, carbonic (acid) anhydride

Carbon oxide, liquid carbon dioxide, edible carbon dioxide, high-purity carbon dioxide

Carbon dioxide fire extinguishing agent, carbonic anhydride, carbon dioxide, carbonic anhydride

CAS: 124-38-9

Chemical formula: CO2

Molecular weight: 44.01

Density: 1.854g/cm3

Melting point: -78.5°C (lit.)

Boiling point: 326.9°C at 760 mmHg

Flash point: 160.2°C

Vapor pressure: 4.19E-05mmHg at 25°C

Refractive index: 1.478

Physical and chemical properties: Colorless and odorless, non-flammable, non-combustible, and compressible to high pressure gas.

Relative density 1.977 (0℃)

Solubility: Soluble in water, gaseous carbon dioxide solubility is 171.3g/cm3 water (0℃), and the aqueous solution is acidic.

Product use:

It is widely used as raw material for soda ash, baking soda, lead white, urea and ammonium bicarbonate, and can also be used as fire extinguishing agent, fresh-keeping refrigerant, etc.; gaseous carbon dioxide is mainly used as raw material for soda ash, fertilizer (ammonium bicarbonate, urea) and synthetic methanol and inorganic salt industry, and is also used for quenching steel castings and manufacturing lead white, and is also used for manufacturing dry ice, etc. Liquid carbon dioxide is used for welding, fermentation industry, cooling and refreshing beverages, sugar industry, medical local anesthesia, and is also used as anti-foaming agent for large cast steel, plant growth promoter, antioxidant and fire extinguishing agent, etc. Solid carbon dioxide is used in penicillin production, storage and low-temperature transportation of fish, cream, ice cream and other foods.

Safety term: S9 – Keep the container in a well-ventilated place.

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