Germanium(II) chloride dioxane complex (1:1)  

Synonym: Dioxanedichlorogermylene, Dioxane-dichlorogermanium complex, Germanium dichloride-dioxane

CAS Number 28595-67-7 | EC Number 623-259-7


Product codeGE5677
CAS number28595-67-7
Assay (purity)97.5%+
Purity methodby titration:%Cl=29.8-31.4 with AgNO3
Molecular weight198.84
Appearancewhite to off-white powder, crystalline powder and/or chunks
Melting point106 – 165 °C (223 – 329 °F)
Boiling point186.5 °C (367.7 °F)
Molecular formulaC4H8Cl2GeO2
Linear formulaC4H8Cl2GeO2
Packagingglassware/metal containers/bubblers

Germanium(II) chloride dioxane complex (1:1) is an excellent water soluble crystalline Germanium source for uses compatible with chlorides. It is used as intermediate for cyclic trigermanes. This was reported (see the link below).

Ereztech manufactures and sells this product in small and bulk volumes. Glass ampules, bottles or metal ampules or bubblers are available for packaging. For additional analytical information or details about purchasing Germanium(II) chloride dioxane complex (1:1) contact us at

Safety information

Hazardous class8
Packing groupII
Signal wordDANGER
Hazard statementsH314-H318-H332-H351
Precautionary statementsP201-P202-P231-P260-P261-P264-P271-P280-P301 + P330 + P331-P303 + P361 + P353-P304 + P340-P305 + P351 + P338-P308 + P313-P310
Transport descriptionCorrosive solid, acidic, organic, n.o.s. (Germanium(II) chloride dioxane complex (1:1))
In TSCA registryNo (sold for research and development usage only)

First Aid Measures

General adviceConsult a physician. Show this safety data sheet to the doctor in attendance.Move out of dangerous area.
Eye contactRinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
Skin contactWash off with soap and plenty of water. Consult a physician.
InhalationIf breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
If swallowedDo NOT induce vomiting. Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

Certificates of analysis (CoA)

If you don’t see the needed lot of Germanium(II) chloride dioxane complex (1:1) below please contact customer support at

Lot# 015/719 Lot# 015/767Lot# 015/818 Lot# 015/870

External identifiers for Dioxanedichlorogermylene 

Pubchem CID10857305
IUPAC Namedichlorogermanium; 1,4-dioxane
InchI IdentifierInChI=1S/C4H8O2.Cl2Ge/c1-2-6-4-3-5-1;1-3-2/h1-4H2;

Known applications and external links

With Germanium(II) chloride dioxane complex (1:1) other customers often ask:

Ereztech synthesizes and sells additional GE-compounds.

To purchase Germanium(II) chloride dioxane complex (1:1) contact us at