grade

electronic grade

vapor density

1.53 (−142 °C, vs air)

Assay

≥99.997%

form

gas

impurities

<0.5 ppm Oxygen (O₂)
<1 ppm Carbon monoxide + Trigermane (CO+Ge₃H₈)
<1 ppm THC
<1 ppm Water (H₂O)
<2 ppm Carbon dioxide (CO₂)
<2 ppm Nitrogen (N₂)
<20 ppm Digermane (Ge₂H₆)
<5 ppm Chlorogermanes
<5 ppm Germoxanes
<50 ppm Hydrogen (H₂)

bp

−88.4 °C (lit.)

mp

−165 °C (lit.)

transition temp

critical temperature 35 °C

SMILES string

[GeH4]

InChI

1S/GeH4/h1H4

InChI key

QUZPNFFHZPRKJD-UHFFFAOYSA-N