The substance Germanium dioxide is a mono-constituent substance (inorganic) having the following characteristics and physical–chemical properties (see the IUCLID dataset for further details).
1. Name and other identifiers of the substance
The following public name is used: germanium oxide
Substance identity
| EC number: | 215-180-8 |
| EC name: | germanium dioxide |
| CAS number (EC inventory): | 1310-53-8 |
| CAS number: | 1310-53-8 |
| CAS name: | Germanium dioxide |
| IUPAC name: | Germanium dioxide |
| Molecular formula: | GeO2 |
| Molecular weight range: | 104.628 |
2. Composition: Germanium dioxide-boundary
State/form: solid: particulate/powder
Degree of purity: >=98 - <100 % (w/w)
Constituents (Germanium dioxide-boundary)
| Constituent | Typical concentration | Concentration range | Remarks |
| germanium dioxide EC no.: 215-180-8 | >=99.9 % (w/w) | >98 - <100 % (w/w) |
Impurities (Germanium dioxide-boundary)
| Constituent | Typical concentration | Concentration range | Remarks |
| water EC no.: 231-791-2 | 0.1 % (w/w) | >0 - <=2 % (w/w) |
3. Classification
| Reproductive Toxicity: |
Repr. 2 Specific effect: reduced number of implantation sites Route of exposure: Oral |
H361: Suspected of damaging fertility or the unborn child |
| Specific target organ toxicity – repeated exposure: |
STOT Rep. Exp. 2 Affected organs: kidneys Route of exposure: Oral and Inhalation |
H373: May cause damage to organs |
| Hazards to the aquatic environment (acute/short-term): | Aquatic Acute 1 |
H400: Very toxic to aquatic life. M Factor = 1 |
| Hazards to the aquatic environment (chronic/long-term) | Aquatic Chronic 3 | H412: Harmful to aquatic life with long lasting effects |