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聚焦于高纯气体,稳定同位素,金属化合物和高纯化学品等化工新材料的供应和销售
Germane - ( GeH4 )

Germane - ( GeH4 )

Germane is a flammable , colorless gas with characteristic pungent ,nauseating odor .Its boiling point is - 90°C.  It is unstable and can decompose explosively when heated to greater than 330°C. 

Specifications 
Purity , % 99.999
Oxygen + Argon  ≤0.5 ppmv
Nitrogen ≤2.0  ppmv
Carbon Dioxide ≤2.0 ppmv
Carbon Monoxide ≤1.0 ppmv
Methane  ≤1.0 ppmv
Water  ≤1.0 ppmv
Chlorogermanes ≤5.0 ppmv
Digermane* ≤20.0 ppmv
Germoxanes ≤5.0 ppmv
Hydrogen* ≤50.0 ppmv
Trigermane  ≤1.0  ppmv


Ship
DOT Shipping Name  Germane
DOT Classification 2.3
DOT Label  Toxic Gas, Flammable Gas 
UN Number  UN2192
CAS No. 7782-65-2
CGA/DISS/JIS 350/632/W22-14L
Shipped as  Compressed Gas 


Technical Information
Cylinder State @ 21.1°C  Gas
Flammable Limits In Air  0.5-100%
Auto Ignition Temperature (°C ) 54.4
Molecular Weight (g/mol) 76.62
Specific gravity (air =1) 2.65
Critical Temperature ( °C ) 34.8
Critical Pressure ( psig )


Applications
Used for the deposition of epitaxial and amorphous silicon - germanium alloys , and as a component for PECVD of ( Si, Ge )O2 films with controllable refractive index for photonic . 


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