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223670

Bis(cyclopentadienyl)zirconium(IV) chloride hydride

95%

Synonym(s):

Di(cyclopentadienyl)zirconium(IV) chloride hydride, Schwartz’ reagent, Zirconocene chloride hydride

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1 g

Available to ship TODAYfromMILWAUKEE

$47.70
5 g

Available to ship TODAYfromMILWAUKEE

$156.00
25 g

Available to ship TODAYfromMILWAUKEE

$641.00
$480.75

About This Item

Empirical Formula (Hill Notation):
C10H11ClZr
CAS Number:
Molecular Weight:
257.87
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352101
EC Number:
253-479-5
MDL number:

$47.70


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Quality Segment

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

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.[1]
  • 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.


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This Item
119334208558196215
assay

95%

assay

98%

assay

99%

assay

≥98%

reaction suitability

core: zirconium, reagent type: reductant, reagent type: catalyst

reaction suitability

core: hafnium, reagent type: catalyst

reaction suitability

core: zirconium, reagent type: catalyst
reaction type: Reductions, reagent type: reductant

reaction suitability

core: zirconium, reaction type: Polymerization Reactions, reagent type: catalyst
reaction type: Olefin Metathesis

form

powder

form

solid

form

powder

form

solid

Quality Level

100

Quality Level

200

Quality Level

100

Quality Level

100


pictograms

FlameCorrosion

signalword

Danger

hcodes

Storage Class

4.3 - Hazardous materials which set free flammable gases upon contact with water

wgk

WGK 3

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Hazard Classifications

Skin Corr. 1B - Water-react. 2



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Questions

1–2 of 2 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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