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germanium dioxide

chemical compound
Class type of: germanium compound, oxide Q419133

Facts

19 properties
Subclass of
germanium compound, oxide[3][4]
2022 Harmonized System Code
282590[18]
Boiling point
+1200[12]
Bulk modulus
+202915000000.0[20]
Canonical SMILES
O=[Ge]=O[1]
Chemical formula
GeO₂[2]
Crystal system
tetragonal crystal system[5]
Density
+4.228[9]
Has part(s) of the class
oxygen, germanium[13][14]
Mass
+105.911007[10]
Melting point
+1388.15[11]
Point group
ditetragonal-dipyramidal[6]
Poisson's ratio
+0.236[19]
Refractive index
+1.7[8]
Shear modulus
+130151000000.0[21]
Space group
space group P4₂/mnm[7]
Standard enthalpy of formation
-580.0[17]
Standard molar entropy
+39.71[16]
Subject has role
Antimutagen[15]
🏷️ Also known as
en Salt of germanium en Germanium(IV) oxide en Germanic oxide en germanium dioxide en Germanium oxide en Germania ar أكسيد الجرمانيوم الرباعي cs GeO2 cs Oxid germaničitý de Germanium(IV)-oxid de Germaniumdioxid es Dióxido de germanio fa ژرمانیم دی‌اکسید fa ژرمانیم دی اکسید fi germaniumdioksidi fr dioxyde de germanium hi जर्मेनियम ऑक्साइड hi जर्मेनियम(IV) ऑक्साइड hu germánium-dioxid it diossido di germanio
🔖 Identifiers · 24
Image (Wikimedia Commons)
GeO2powder.jpg ↗
CAS Registry Number
1310-53-8
COD ID
9006849
ChemSpider ID
14112
CosIng number
83917
DSSTOX compound identifier
DTXCID4030205
DSSTox substance ID
DTXSID0051653
EC number
215-180-8
ECHA Substance Infocard ID
100.013.801
Encyclopædia Britannica Online ID
science/germanium-dioxide
Freebase ID
/m/0dtxvv
HSDB ID
2119
Show all 24 identifiers +12
InChI
InChI=1S/GeO2/c2-1-3
InChIKey
YBMRDBCBODYGJE-UHFFFAOYSA-N
MeSH descriptor ID
C040516
Microsoft Academic ID (discontinued)
2775942736
NSC number
294212
PubChem CID
14796
RTECS number
LY5240000
SureChEMBL ID
105462
UMLS CUI
C0061240
UNII
5O6CM4W76A
UniChem compound ID
23583551
ZVG number
5010

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🔗 Connections
Has part(s) 2
oxygen, germanium
Subclass of 1
oxide
Subject has role 1
Antimutagen
← FactGrid item ID 1
Mrs.
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References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [1] ↑ . wikidata.org.
  2. [2] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [5] ↑ . wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [7] ↑ . wikidata.org.
  8. [8] ↑ . wikidata.org.
  9. [9] ↑ . wikidata.org.
  10. [10] ↑ . wikidata.org.
  11. [11] ↑ . wikidata.org.
  12. [12] ↑ . wikidata.org.
  13. [13] ↑ . wikidata.org.
  14. [14] ↑ . wikidata.org.
  15. [15] ↑ . wikidata.org.
  16. [16] ↑ . wikidata.org.
  17. [17] ↑ . wikidata.org.
  18. [18] ↑ . wikidata.org.
  19. [19] ↑ . wikidata.org.
  20. [20] ↑ . wikidata.org.
  21. [21] ↑ . wikidata.org.

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 6w ago · KrBot bot · 2026-09-26 view diff on Wikidata ↗
    ZVG number → 5010
    "Changed claim: ZVG number: 5010, см. / see autofix на / on P679"
  2. 7w ago · Mrwdat3 · 2026-09-23 view diff on Wikidata ↗
    ZVG number → 5010
    "Created claim: ZVG number: 005010, batch #275042"
  3. 11w ago · Baum64 · 2026-08-23 view diff on Wikidata ↗
    Point group → ditetragonal-dipyramidal
    Has part(s) → —
    Standard enthalpy of formation → -580
    Has part(s) of the class → oxygen, germanium
    + 1 other property edited (see Wikidata diff for full list)
    "Created claim: Has part(s) of the class: oxygen, batch #269324"
  4. 12w ago · KrBot bot · 2026-08-19 view diff on Wikidata ↗
    Melting point → 1,388.15
    "Changed reference: Space group: space group P4₂/mnm, см. / see autofix на / on P356"
  5. 12w ago · Baum64 · 2026-08-18 view diff on Wikidata ↗
    Crystal system → tetragonal crystal system
    Shear modulus → 130,151,000,000
    Poisson's ratio → 0.236
    COD ID → 9006849
    + 2 other properties edited (see Wikidata diff for full list)
    "Created claim: COD ID: 9006849, batch #269136"
  6. 20w ago · Nabbegat · 2026-06-19 view diff on Wikidata ↗
    Density → 4.228
    Refractive index → 1.7
    Boiling point → 1,200
    Subclass of → germanium compound, oxide
    + 3 other properties edited (see Wikidata diff for full list)
    "Changed [tr] labels, descriptions or aliases: QuickStatements 3.0 batch #37300"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.