Tetra-t-butoxide tungsten oxide

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

CAS Number 58832-09-0 

Product code	W2090
CAS number	58832-09-0
Assay (purity)	97.5%+
Purity method	by elemental analysis (%C = 38,1 – 40,0; %H = 7,2 – 7,6 %)
NMR	conforms to structure
Molecular weight	492.31 g/mol
Form	solid
Appearance	white crystals
Boiling point	60 oC/0,01 Torr (sublim.)
Sensitivity	air, moisture
Molecular formula	C16H36O5W
Linear formula	[OC(CH3)3]4W(O)
Packaging	glassware/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

UN	1325
Hazardous class	4.1
Packing group	II
Pictograms
Signal word	WARNING
Hazard statements	H228-H315-H319-H335
Precautionary statements	P210-P240-P241-P261-P264-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P337+P313-P362-P370+P378
Transport description	Flammable solid, n.o.s. (Tetra-t- butoxide tungsten oxide)
In TSCA registry	No (sold for research and development usage only)

First Aid Measures

General advice	Consult a physician. Show this safety data sheet to the doctor in attendance. Move out of the dangerous area.
Eye contact	Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
Skin contact	Wash off with soap and plenty of water. Consult a physician.
Inhalation	If breathed in, move person into the fresh air. If not breathing, give artificial respiration. Consult a physician.
If swallowed	Do 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

• Sun Z, Zhao Y, Prior TJ, Elsegood MRJ, Wang K, Xing T, Redshaw C. Mono-oxo molybdenum(vi) and tungsten(vi) complexes bearing chelating aryloxides: synthesis, structure and ring opening polymerization of cyclic esters
• Jeffrey H. Wengrovius and Richard R. Schrock Synthesis and Characterization of Tungsten Oxo Neopentyiidene Complexes. Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02 139 Received June 25, 1981
• Dmitry V. Peryshkov and Richard R. Schrock describe the preparation of W(═O)(OtBu)₄ from W(═O)Cl₄ and Li(OtBu). Organometallics 2012, 31, 7278-7286.

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

• Tungsten hexacarbonyl
• Bis(tert-butylimino)bis(dimethylamino)tungsten(VI)
• Bis(ethylcyclopentadienyl)tungsten dihydride

Ereztech synthesizes and sells additional W-compounds.

To purchase W2090 contact us at sales@ereztech.com