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Synonym name: Germanium Sesquioxide, Ge-132
Molecular formula (CH2CH2COOHGe)2O3
Molecular weight 339.32
CAS number 2396-77-2
Purity%99.95
Arsenic content, as As, mgkg NMT; 0.5
Lead content, as Pb, mgkg NMT; 0.5
Cadmium content, as CD, mgkg NMT; 0.1
Mercury content, as Hg, mgkg NMT; 0.1
Germanium inorganic compound content, as GeO2, % 0.002
Total bacterial count (colony count), g1 NMT; 100
Coli group, g1 NMT; 30
Pathogenic bacteria Shall not be found
Residue after ignition at 105 degree for 2hrs, 0.5%
Solubility in water at 60 degree, 20gL, and the solubility will increase with rising of temperature.