Sodium isopropylcyclopentadienide

Synonym: [1-(1-Methylethyl)2,4-cyclopentadien-1-yl] sodium, Na(iPrCp)

CAS Number 65090-77-9 | MDL Number MFCD00145308  | EC Number 627-785-8

Na(iPrCp) Chemical structure

Product codeNA0779
CAS number65090-77-9
Assay (purity)98%+
Purity methodby titration
Molecular weight130.16 g/mol
Appearancewhite to off-white powder or crystals
Melting point175 °C (347 °F)
Sensitivityair, moisture
Molecular formulaC8H11Na
Linear formula(C3H7C5H4)Na
Packagingglassware/metal containers/bubblers

Sodium isopropylcyclopentadienide is used as a reactant for the synthesis of Ruthenium-based bioconjugates; Cobalt sandwich diphosphine ligand and its chelated palladium complex; Niobium and Zirconium complexes with asymmetrically substituted ansa ligands; substituted Vanadocenes; Isopropyl substituted cyclopentadiene ligands. 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 NA0779 contact us at

Safety information

Hazardous class4.1
Packing groupII
PictogramsGHS02 GHS07
Signal wordDANGER
Hazard statementsH228-H315-H319-H335
Precautionary statementsP210-P240-P241-P261-P264-P271-P280-P302 + P352-P304 + P340-P305 + P351 + P338-P312-P332 + P313-P337 + P313-P362-P370 + P378
Transport descriptionFlammable solid, organic, n.o.s. (sodium isopropyl- cyclopentadienide)
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 Sodium isopropylcyclopentadienide below please contact customer support at

Lot# 017/227 Lot# 019/261 Lot# 003/656

External identifiers for Na(iPrCp)

Pubchem CID16213221
IUPAC Namesodium;5-propan-2-ylcyclopenta-1,3-diene
InchI IdentifierInChI=1S/C8H11.Na/c1-7(2)8-5-3-4-6-8;/h3-7H,1-2H3;/q-1;+1

Known applications and external links

With Sodium isopropylcyclopentadienide oxide other customers often ask:

Ereztech synthesizes and sells additional NA-compounds.

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