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Key Documents

Safety Information

381004

Sigma-Aldrich

Bis(cyclopentadienyl)chromium(II)

95%

Synonym(s):

Chromocene, Di(cyclopentadienyl)chromium(II)

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About This Item

Linear Formula:
Cr(C5H5)2
CAS Number:
Molecular Weight:
182.18
EC Number:
MDL number:
UNSPSC Code:
12161600
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

95%

form

solid

reaction suitability

core: chromium
reagent type: catalyst

mp

168-170 °C (lit.)

SMILES string

[Cr].[CH]1[CH][CH][CH][CH]1.[CH]2[CH][CH][CH][CH]2

InChI

1S/2C5H5.Cr/c2*1-2-4-5-3-1;/h2*1-5H;

InChI key

OXPNGPODCRFNTM-UHFFFAOYSA-N

Application

Catalyst for:
  • Stereoselective pinacol-type cross-coupling reactions
  • Thermal homo-polymerization and co-polymerization reactions
  • Nozaki-Hiyama-Kishi reactions (additions of organic halides to aldehydes)

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1A - Skin Sens. 1

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

381004-BULK:
381004-VAR:
381004-1G:4548173964607
381004-250MG:


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