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Deuterium, D2 Specialty Gas

CAS No. 7782-39-0    
UN No. 1957
EINECS No. 231-952-7
Molecular weight 4.032
Appearance colourless, odourless
Melting point 18.73 K
Boiling point 23.65 K
Density 0.180kg/m3
DOT Class 2.1
Label Flammable Gas
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Description

Deuterium is a heavier stable isotope of ordinary hydrogen. It is a colorless, odorless, non-toxic flammable gas. Its boiling point is -249.5℃. Like molecular hydrogen, diatomic deuterium molecules also have positive and secondary isomerism. At room temperature, the equilibrium composition of a mixture of positive and secondary isomers of deuterium is 2:1, and this deuterium is called normal deuterium. Lowering the temperature facilitates the conversion to n-deuterium. At 20.4K, the equilibrium mixture contains 97.8% positive deuterium, which is called equilibrium deuterium.

Application

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The production of compounds containing heavy hydrogen in chemical and biochemical fields. The amount of deuterium molecules can be used to study the reaction rate and reaction mechanism.

Hydrogen is replaced in the silicon sintering or annealing process in the semiconductor, flat panel display, solar cell and other electronic industries.

Applied to nuclear fusion reactions.

Industrial Grade

Specification99.999%
Carbon Dioxide﹤0.5 ppm
Carbon Monoxide﹤0.5 ppm
Hydrogen Deuteride﹤3000 ppm
Hydrogen﹤ 10 ppm
Nitrogen﹤10 ppm
Oxygen﹤1 ppm
THC﹤1 ppm
Water/Heavy Water﹤1 ppm
Other Grades and Purity Available on Asking

Package Information

Cylinder CapacityValveVolumebarpsig
8LCGA3501 m3125
1812.5
40LCGA3504.5 m3112.51631.25
Other Packages Available on Asking

Reference

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