223670

Bis(cyclopentadienyl)zirconium(IV) chloride hydride

95%

• Synonym(s): Di(cyclopentadienyl)zirconium(IV) chloride hydride, Schwartz’ reagent, Zirconocene chloride hydride
• Empirical Formula (Hill Notation): C₁₀H₁₁ClZr
• CAS Number: 37342-97-5
• Molecular Weight: 257.87
• EC Number: 253-479-5
• MDL number: MFCD02089401
• UNSPSC Code: 12352101
• PubChem Substance ID: 24853395
• NACRES: NA.22

Properties

• assay: 95%
• form: powder
• reaction suitability: core: zirconium; reagent type: catalyst; reagent type: reductant
• SMILES string: [H][Zr]Cl.[CH]1[CH][CH][CH][CH]1.[CH]2[CH][CH][CH][CH]2
• InChI: 1S/2C5H5.ClH.Zr.H/c2*1-2-4-5-3-1;;;/h2*1-5H;1H;;/q;;;+1;/p-1
• InChI key: PSYHEBZUPSHSKK-UHFFFAOYSA-M

Description

General description

Bis(cyclopentadienyl)zirconium(IV) chloride hydride, also known as Schwartz′s reagent, is utilized as a catalyst in in olefin polymerization.

Application

Bis(cyclopentadienyl)zirconium(IV) chloride hydride can be used:

• To convert amides to aldehydes.
• As a reagent for the functionalization of olefins and alkynes.
• As a reducing agent in the preparation of (E)-vinyl organochalcogenides.
• To prepare a dioxaborolane derivative, which is a key intermediate for the synthesis of bridged-nicotine analogs.

Safety Information

• pictograms: GHS02,GHS05
• signalword: Danger
• hcodes: H261,H314
• pcodes: P223 - P231 + P232 - P260 - P280 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Skin Corr. 1B - Water-react 2
• Storage Class: 4.3 - Hazardous materials which set free flammable gases upon contact with water
• wgk_germany: WGK 3
• ppe: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges