381004

Bis(cyclopentadienyl)chromium(II)

95%

• Synonym(s): Chromocene, Di(cyclopentadienyl)chromium(II)
• Linear Formula: Cr(C₅H₅)₂
• CAS Number: 1271-24-5
• Molecular Weight: 182.18
• EC Number: 215-036-4
• MDL number: MFCD00013750
• UNSPSC Code: 12161600
• PubChem Substance ID: 24863782
• NACRES: NA.22

Properties

• Quality Level: 100
• 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

Description

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)

Safety Information

• pictograms: GHS05,GHS07
• signalword: Danger
• hcodes: H302 + H312 + H332,H314,H317
• pcodes: P260 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• 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: 8A - Combustible corrosive hazardous materials
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Gloves