Tetra-t-butoxide tungsten oxide

Synonym: WO(O-t-Bu)4, Tetrakis(2-methyl-2-propanolato)oxotungsten

CAS Number 58832-09-0 

WO(O-t-Bu)4 Chemical Structure

Product codeW2090
CAS number58832-09-0
Assay (purity)97.5%+
Purity methodby elemental analysis (%C = 38,1 – 40,0; %H = 7,2 – 7,6 %)
NMRconforms to structure
Molecular weight492.31 g/mol
Appearancewhite crystals
Boiling point60 oC/0,01 Torr (sublim.)
Sensitivityair, moisture
Molecular formulaC16H36O5W
Linear formula[OC(CH3)3]4W(O)
Packagingglassware/metal containers/bubblers

Tetra-t-butoxide tungsten oxide is used as a precursor for the preparation of electrochromic tungsten oxide and it doped derivative nanomaterials using sol-gel or vapor deposition methods. See links 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 W2090 contact us at sales@ereztech.com

Safety information

Hazardous class4.1
Packing groupII
Signal wordWARNING
Hazard statementsH228-H315-H319-H335
Precautionary statementsP210-P240-P241-P261-P264-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P337+P313-P362-P370+P378
Transport descriptionFlammable solid, n.o.s. (Tetra-t- butoxide tungsten oxide)
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 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 Tetra-t-butoxide tungsten oxide below please contact customer support at sales@ereztech.com

Lot# 019/284

Known applications and external links

With Tetra-t-butoxide tungsten oxide other customers often ask:

Ereztech synthesizes and sells additional W-compounds.

To purchase W2090 contact us at sales@ereztech.com