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Carbonic Oxide High Purity Gases 99.999% Dry Ice CO2 Carbonation
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Product Details
Carbonic Oxide High Purity Gases 99.999% Dry Ice CO2 Carbonation
Description:
Chemical Properties
colourless odourless gas
General Description
An odorless, white solid. Can cause damaging frostbite. Noncombustible and nontoxic. Liquefies at -109°F. Can asphyxiate by displacement of air. Used as a refrigerant.
Air & Water Reactions
Water soluble. Forms carbonic acid, a mild acid in water
Reactivity Profile
Contact of very cold liquid/solid carbon dioxide with water may result in vigorous or violent boiling of the product and extremely rapid vaporization due to the large temperature differences involved. If the water is hot, there is the possibility that a liquid "superheat" explosion may occur. Pressures may build to dangerous levels if liquid gas contacts water in a closed container. With water forms weak carbonic acid in nonhazardous reaction. Dusts of magnesium, lithium, potassium, sodium, zirconium, titanium, and some magnesium-aluminum alloys, and heated aluminum, chromium, and magnesium when suspended in carbon dioxide are ignitable and explosive. This is especially true in the presence of strong oxidizers, such as peroxides. The presence of carbon dioxide in solutions of aluminum hydride in ether can cause violent decomposition on warming the residue, [J. Amer. Chem. Soc., 1948, 70, 877]. Dangers arising from the use of carbon dioxide in the fire prevention and extinguishing systems of confined volumes of air and flammable vapors are examined. The hazard associated with its use centers around the fact that large electrostatic discharges may be created that initiate explosion.
Fire Hazard
Non-flammable gases. Containers may explode when heated. Ruptured cylinders may rocket.
Specifications:
1. Physical properties
| Physical Constants | |
| Chemical formula | CO2 |
| Molecular weight | 44.01 |
Vapor pressure at +70°F (+21.1°C) | 838.0 psig, 58.78 bar |
Density of the gas at +70°F (+21.1°C) and 1 atm | 0.1144 lb/ft3, 1.833 kg/m3 |
| Specific gravity of the gas at +70°F (+21.1°C) and 1 atm (air=1) at +32°F (0°C) and 1 atm (air=1) | 1.522 |
| Specific volume of the gas at +70°F (+21.1°C) and 1 atm at +32°F (0°C) and 1 atm | 8.741 ft3/lb, 0.5457 m3/kg |
Density of the liquid, saturated at +70°F (+21.1°C) | 47.6 lb/ft3, 762 kg/m |
| Sublimation temperature at 1 atm | –109.3°F, –78.5°C |
| Critical temperature | +87.9°F, +31.1°C |
| Critical pressure | 1070.6 psia, 73.82 bar |
| Critical density | 29.2 lb/ft3, 468 kg/m3 |
| Triple point @ 60.4 psia (4.16 bar) | –69.9°F, –56.6°C |
| SHIPPING DATA | |
| Synonyms | CO2 |
| CAS Register Number | 124-38-9 |
| DOT Classification | Nonflammable gas |
| DOT Label | Nonflammable gas |
| Transport Canada Classification | 2.2 |
| Substance Identification (SI) | 1013 |
| UN Number | UN 1013 |
| Hazards | High Pressure and suffocation |
| Toxicity (TLV) | 5000 ppm |
| Flammability Range (in air) | Nonflammable gas |
| Odor | None |
2.
2. Typical technical data (COA)
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