Bis(cyclopentadienyl)dimethyl zirconium

Synonym: Dimethyldicyclopentadienylzirconium, Dimethylzirconocene, Ziegler-Natta polymerization catalyst, ZrMe2(Cp)2
CAS Number 12636-72-5 | MDL Number MFCD01073786

Bis(cyclopentadienyl)dimethyl zirconium Chemical Structure

Product CodeZR6725
CAS Number12636-72-5
Assay (purity)97%
Purity methodby integration NMR
Molecular weight251.48
Appearancewhite to light yellow powder
Melting point170C
NMRconforms to structure
Molecular formulaC12H16Zr
Linear formula(C5H5)2Zr(CH3)2

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 Bis(cyclopentadienyl)dimethyl zirconium contact us at

Safety information

In TSCA registryNo (sold for research and development usage only)

Certificates of analysis (CoA)

If you don’t see the needed lot of Bis(cyclopentadienyl)dimethyl zirconium below please contact customer support at

Lot# 003622

External identifiers for Dimethyldicyclopentadienylzirconium

Pubchem CID15184078
IUPAC Namecarbanide; cyclopentane; zirconium(2+)
InchI IdentifierInChI=1S/2C5H5.2CH3.Zr/c2*1-2-4-5-3-1;;;/h2*1-3H,4H2;2*1H3;

Ereztech synthesizes and sells additional ZR-compounds.

To purchase Bis(cyclopentadienyl)dimethyl zirconium contact us at