Synonym: (Me5Cp)2Ni, Decamethylnickelocene, Nickel(2+) bis(1, 2, 3, 4, 5-pentamethyl-2, 4-cyclopentadienide)
CAS Number 74507-63-4 | MDL Number MFCD00058704 | EC Number 677-516-3

Bis(pentamethylcyclopentadienyl)nickel Chemical Structure

Product CodeNI7634
CAS Number74507-63-4
Assay (purity)98%+
Purity methodby elemental analysis
Molecular weight329.17
Appearancedark green crystals
Melting point261-266C
Elemental analysis%C=71.5-74.4; %H=9.0-9.4
Molecular formulaC20H30Ni10
Linear formulaNi(C5(CH3)5)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(pentamethylcyclopentadienyl)nickel contact us at

Safety information

Signal wordWARNING
Hazard statementsH302, H312
Precautionary statementsP264, P270, P280, P301+P312, P302+P352, P312, P322, P330, P363, P501
Transport descriptionFLAMMABLE SOLIDS, ORGANIC, N.O.S
Hazardous class4.1
Packing groupII
In TSCA registryNo (sold for research and development usage only)

Certificates of analysis (CoA)

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Lot# 003524

External identifiers for (Me5Cp)2Ni

Pubchem CID5148230
IUPAC Namenickel(2+); 1,2,3,5,5-pentamethylcyclopenta-1,3-diene
InchI IdentifierInChI=1S/2C10H15.Ni/c2*1-7-6-10(4,5)9(3)8(7)2;/h2*1-5H3;/q2*-1;+2

Ereztech synthesizes and sells additional NI-compounds.

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