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High Purity Cryogenic liquids are liquefied gases that are kept in their liquid state at very low temperatures. Cryogenic liquids have boiling points below -150°C (- 238°F)  All cryogenic liquids are gases at normal temperatures and pressures. These gases must be cooled below room temperature before an increase in pressure can liquefy them. Different cryogens become liquids under different conditions of temperature and pressure, but all have two properties in common: they are extremely cold, and small amounts of liquid can expand into very large volumes of gas.

Hydrogen

UN 1966

Purity Offering: 99.999%

Temperature: -423 F

scf per Gallon: 113.4 scf/gallon

Pounds per Gallon: .5906 pounds

High Purity Cryogenic Hydrogen Safety Label

Helium

UN 1963

Purity Offering: 99.99%

Temperature: -452 F

scf per Gallon: 100.8 scf/gallon

Pounds per Gallon: 1.0423 pounds

High Purity Helium Safety Label

LNG

UN 1972

High Purity LNG Safety Label

Purity Offering: 95% - 99.5%

Temperature: -260 F

scf per Gallon: 87 scf/gallon

Pounds per Gallon: 3.49 pounds

Argon

UN 1951

High Purity Argon Safety Label

Purity Offering: 99.998% - 99.9999%

Temperature: -302 F

scf per Gallon: 112.5 scf/gallon

Pounds per Gallon: 11.63 pounds

Ethylene

UN 1038

High Purity Ethylene Safety Label

Purity Offering: 99.9%

Temperature: -154 F

scf per Gallon: 64.52 scf/gallon

Pounds per Gallon: 4.71 pounds

Nitrogen

UN 1977

High Purity Nitrogen Safety Label

Purity Offering: 99.99% - 99.9995%

Temperature: -320 F

scf per Gallon: 93.11 scf/gallon

Pounds per Gallon: 6.745 pounds

Oxygen

UN 1073

Purity Offering: 99.8% - 99.99%

Temperature: -297 F

scf per Gallon: 115.1 scf/gallon

Pounds per Gallon: 9.52 pounds

High Purity Oxygen Safety Label