Methylcyclopentadienyltungsten tricarbonyl hydride

Synonym: (MeCp)WH(CO)3


Product codeW0003
CAS numberN/A
Assay (purity)99%+
Purity methodby integration NMR H1
NMR H1conforms to structure
Molecular weight349.01 g/mol
Appearancepale yellow crystals
Sensitivitymoisture, heat, light
Molecular formulaC9H9O3W
Packagingglassware/metal containers/bubblers

Methylcyclopentadienyltungsten tricarbonyl hydride has been used as proxy catalysts, with covalently attached pyridyl groups as proton acceptors. 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 W0003 contact us at

Safety information

Hazardous class4.3(4.1)
Packing groupIII
PictogramsGHS02 GHS06 GHS07
Signal wordDANGER
Hazard statementsH228-H261-H301-H311-H315-H319-H331-H335
Precautionary statementsP210-P231 + P232-P240-P241-P261-P264-P270-P271-P280-P301 + P310-P302 + P352-P304 + P340-P305 + P351 + P338-P310-P330-P332 + P313-P361-P363-P370 + P378
Transport descriptionOrganometallic substance, solid, water-reactive, flammable (Methylcyclopenta- dienyltungsten tricarbonyl hydride)
In TSCA registryNo (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 Methylcyclopentadienyltungsten tricarbonyl hydride below please contact customer support at

Lot# 017/239

Known applications and external links

With Methylcyclopentadienyltungsten tricarbonyl hydride other customers often ask:

Ereztech synthesizes and sells additional W-compounds.

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