Lithium tetramethylcyclopentadienide

Synonym: Tetramethyl-2,4-cyclopentadienyllithium, 2,3,4,5-Tetramethyl-2,4-cyclopentadienyllithium, (1,2,4,5-Tetramethylcyclopenta-1,3-diene), Tetramethylcyclopentadienyl lithium, LiMe4Cp
CAS Number 82061-21-0 | MDL Number MFCD00269824 | EC Number 624-852-3

Lithium tetramethylcyclopentadienide Chemical Structure

Product CodeLI1210
CAS Number82061-21-0
Assay (purity)95%
Purity methodby titration
Molecular weight128.14
Appearancewhite to off-white powder
Sensitivityair, moisture
Titration typewith HCI
Molecular formulaC9H13Li
Linear formulaLiC9H13

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 Lithium tetramethylcyclopentadienide contact us at

Safety information

Signal wordDANGER
Hazard statementsH228, H315, H319, H335
Precautionary statementsP210, P240, P241, P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P370+P378, P403+P233, P405, 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)

If you don’t see the needed lot of Lithium tetramethylcyclopentadienide below please contact customer support at

External identifiers for Tetramethyl-2,4-cyclopentadienyllithium

Pubchem CID16213219
IUPAC Namelithium; 1,2,4,5-tetramethylcyclopenta-1,3-diene
InchI IdentifierInChI=1S/C9H13.Li/c1-6-5-7(2)9(4)8(6)3;/h5H,1-4H3;

Ereztech synthesizes and sells additional LI-compounds.

To purchase Lithium tetramethylcyclopentadienide contact us at