Bis(cyclopentadienyl)chromium(II)

Synonym: Cp2Cr, Di(cyclopentadienyl)chromium(II), Bis(cyclopentadiene)chromium, Bis(η5-cyclopentadienyl) chromium, Dicyclopentadienylchromium, Chromocene, Chromium, dicyclopentadienyl
CAS Number 1271-24-5 | MDL Number MFCD00013750 | EC Number 215-036-4

Bis(cyclopentadienyl)chromium(II) Chemical Structure

Product CodeCR1245
CAS Number1271-24-5
Assay (purity)96%+
Purity methodby titration
Molecular weight182.18
Formsolid
Appearancered to purple powder or crystals
Sensitivityair
Melting point168-170C
Titration%Cr=28.0-29.1
Titration typewith Na2S2O3
Molecular formulaC10H10Cr
Linear formulaCr(C5H5)2
Download Specification CR1245
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Safety information

Signal wordWARNING
Pictograms
Hazard statementsH302, H312, H315, H319, H332, H335
Precautionary statementsP261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P312, P321, P322, P330, P332+P313, P337+P313, P362, P363, P403+P233, P405, P501
UNNOT REGULATED
In TSCA registryYes

Certificates of analysis (CoA)

If you don’t see the needed lot of Bis(cyclopentadienyl)chromium(II) below please contact customer support at sales@ereztech.com

Lot# 030142

External identifiers for Cp2Cr

Pubchem CID79154
SMILES[Cr].[CH]1[CH][CH][CH][CH]1.[CH]2[CH][CH][CH][CH]2
IUPAC Namechromium(2+);cyclopenta-1,3-diene
InchI IdentifierInChI=1S/2C5H5.Cr/c2*1-2-4-5-3-1;/h2*1-5H;/q2*-1;+2
InchI KeyTYYBBNOTQFVVKN-UHFFFAOYSA-N

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