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Disilane 4.8

  

Purity, %

> 99,998
  
  
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Impurities Disilane 4.8, ppm:
H2O1
O21
N24
Chlorsilane0,2
CO21
HC1


The percentages indicated in conjuction with purities are mole percents (ideal volume percentages)


Delivery forms: Disilane 4.8



Capacity, liter

Vapor pressure at 20°C, bar

filling quantity, kg
 
Steel cylinder 2 2,3 0,1
Steel cylinder 10 2,3 0,5


Conversion factors Disilane
m³ gas
(15 °C, 1 bar)
Litre
liquid at Ts
kg
12,9572,664
0,33810,901
0,3751,111



Identification Disilane 4.8
Cylinder shoulder color: Red RAL 3000
Label: Disilane 4.8
Valve outlet:
W 21.80 x 1/14 LH, DIN 477 No. 1


Properties Disilane
Under pressure liquified gas, highly flammable, pyrophoric

 highly  
MAK value:nicht festgelegt
Chemical symbol:Si2H6
Molar mass:

62.220 g/mol

Critical temperature:424 K (150.85 °C)
Boiling point
at 1,013 bar (Ts):
258.85 K (-14.3 °C)
Relative density at 15°C, 1 bar (dryair = 1): 2.200

Applications Disilane 4.8
  • deposition of crystalline silicon layers (epitaxy)
  • low-temperature CVD



Mixtures of Disilane with other gases in defined compositions.



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