Germanium n-butoxide

Synonym: Tetrabutoxygermane, Tetra-n-butoxygermane, Tetrabutoxygermanium

CAS Number 25063-27-8 | MDL Number MFCD00015347 | EC Number 246-595-2

Tetrabutoxygermane Chemical Structure

Product codeGE3278
CAS number25063-27-8
Assay (purity)97%+
Metal purity99.99%-Ge
Purity methodby integration NMR
NMRconforms to structure
Molecular weight365.05 g/mol
Appearancecolorless liquid
Melting point< 0 °C
Boiling point143 °C (289 °F) @ 8 mm Hg
Flash point112 °C (234 °F)
Molecular formulaC16H36GeO4
Linear formulaGe[O(CH2)3CH3]4
Packagingglassware/metal containers/bubblers

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 n-butoxide contact us at

Safety information

UNNot regulated
Hazardous classNot regulated
Packing groupNot regulated
Signal wordWARNING
Hazard statementsH315-H319-H335
Precautionary statementsP261-P264-P271-P280-P302 + P352-P305 + P351 + P338-P312-P332 + P313-P337 + P313-P362
Transport descriptionNot applicable
In TSCA registryYes

First Aid Measures

General adviceConsult a physician. Show this safety data sheet to the doctor in attendance. Move out of the 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 the 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 n-butoxide below please contact customer support at

Lot# 015/764

External identifiers for Germanium n-butoxide

Pubchem CID16701021
IUPAC Nametetrabutoxygermane
InchI IdentifierInChI=1S/C16H36GeO4/c1-5-9-13-18-17(19-14-10-6-2,20-15-11-7-3)21-16-12-8-4/h5-16H2,1-4H3

With Germanium n-butoxide other customers often ask:

Ereztech synthesizes and sells additional GE-compounds.

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