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Schwartz Reagent

CAS No.
37342-97-5
Chemical Name:
Schwartz Reagent
Synonyms
SCHWARTZ REAGENT;SCHWARTZ'S REAGENT;ZIRCONOCENE CHLORIDE HYDRIDE;BIS(CYCLOPENTADIENYL)ZIRCONIUM(IV) CHLORIDE HYDRIDE;BIS(CYCLOPENTADIENYL)ZIRCONIUM HYDRIDOCHLORIDE;Schwartz's;oride hydride;)zirconium chL;SCHWART'S REAGENT;SCHWARTZ' REAGENT
CBNumber:
CB00124787
Molecular Formula:
C10H11ClZr
Molecular Weight:
257.87
MDL Number:
MFCD02089401
MOL File:
37342-97-5.mol
MSDS File:
SDS
Last updated:2023-10-21 14:17:13

Schwartz Reagent Properties

Melting point 300 °C
storage temp. Keep in dark place,Inert atmosphere,2-8°C
form Powder
color off-white
Water Solubility reacts
Sensitive Light, Air & Moisture Sensitive
Hydrolytic Sensitivity 8: reacts rapidly with moisture, water, protic solvents
Merck 14,8396
Exposure limits ACGIH: TWA 5 mg/m3; STEL 10 mg/m3
NIOSH: IDLH 25 mg/m3; TWA 5 mg/m3; STEL 10 mg/m3
CAS DataBase Reference 37342-97-5(CAS DataBase Reference)
FDA UNII S84D01XQGL

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictograms
GHS02,GHS05
Signal word  Danger
Hazard statements  H261-H314
Precautionary statements  P223-P231+P232-P260-P280-P303+P361+P353-P305+P351+P338
Hazard Codes  F,C
Risk Statements  11-15-34
Safety Statements  16-26-27-36/37/39-8-45
RIDADR  UN 3131 4.3/PG 2
WGK Germany  3
8-10-23
HazardClass  4.3
PackingGroup  II
HS Code  29319090
NFPA 704
2
3 2
W

Schwartz Reagent price More Price(22)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 223670 Bis(cyclopentadienyl)zirconium(IV) chloride hydride 95% 37342-97-5 1g $42.6 2024-03-01 Buy
Sigma-Aldrich 223670 Bis(cyclopentadienyl)zirconium(IV) chloride hydride 95% 37342-97-5 5g $143 2024-03-01 Buy
TCI Chemical Z0010 Zirconocene Chloride Hydride >96.0%(T) 37342-97-5 1g $39 2024-03-01 Buy
TCI Chemical Z0010 Zirconocene Chloride Hydride >96.0%(T) 37342-97-5 5g $118 2024-03-01 Buy
Alfa Aesar L15164 Bis(cyclopentadienyl)zirconium hydridochloride, 95% 37342-97-5 1g $38.5 2023-06-20 Buy
Product number Packaging Price Buy
223670 1g $42.6 Buy
223670 5g $143 Buy
Z0010 1g $39 Buy
Z0010 5g $118 Buy
L15164 1g $38.5 Buy

Schwartz Reagent Chemical Properties,Uses,Production

Physical properties

Schwartz Reagent is a white microcrystalline powder. Under the influence of light or heat the color changes to pink, then gradually to dark red.It is sensitive to moisture; it is virtually insoluble in the usual organic solvents such as ethers, consistent with its polymeric character.

Uses

Schwartz Reagent is named after Jeffrey Schwartz, a chemistry professor at Princeton University. This metallocene is used in organic synthesis for various transformations of alkenes and alkynes.

Preparation

Schwartz Reagent can be purchased or readily prepared by reduction of zirconocene dichloride with lithium aluminium hydride:

(C5H5)2ZrCl2 + 1⁄4 LiAlH4 → (C5H5)2ZrHCl + 1⁄4 LiAlCl4

This reaction also affords (C5H5)2ZrH2, which is treated with methylene chloride to give Schwartz Reagent.

Reactions

Schwartz's reagent reacts with alkenes and alkynes via the process called hydrozirconation which formally results in the addition of the Zr-H bond across the C=C or C≡C bond.

Structure and conformation

Schwartz Reagent adopts the usual "clam-shell" structure seen for other Cp2MXn complexes.The dimetallic structure has been confirmed by Microcrystal electron diffraction.The results are consistent with FT-IR spectroscopy, which established that the hydrides are bridging. Solid state NMR spectroscopy also indicates a dimeric structure.

Schwartz Reagent Preparation Products And Raw materials

Global( 186)Suppliers
Supplier Tel Email Country ProdList Advantage
Capot Chemical Co.,Ltd.
571-85586718 +8613336195806 sales@capotchem.com China 29797 60
Shanghai Daken Advanced Materials Co.,Ltd
+86-371-66670886 info@dakenam.com China 16224 58
Henan Tianfu Chemical Co.,Ltd.
+86-0371-55170693 +86-19937530512 info@tianfuchem.com China 21687 55
ATK CHEMICAL COMPANY LIMITED
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career henan chemical co
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18871490254 linda@hubeijusheng.com CHINA 28180 58
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Chongqing Chemdad Co., Ltd
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CONIER CHEM AND PHARMA LIMITED
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View Lastest Price from Schwartz Reagent manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Bredereck's reagent pictures 2024-04-12 Bredereck's reagent
5815-08-7
US $11.00-190.00 / g 25g 0.90 200kg Shanghai UCHEM Inc.
Burgess reagent pictures 2024-01-14 Burgess reagent
29684-56-8
US $5.00-0.50 / KG 1KG 99% g-kg-tons, free sample is available Henan Fengda Chemical Co., Ltd
EATON'S REAGENT pictures 2019-07-12 EATON'S REAGENT
39394-84-8
US $1.00 / KG 1KG 99% 25kg Career Henan Chemical Co
  • Burgess reagent pictures
  • Burgess reagent
    29684-56-8
  • US $5.00-0.50 / KG
  • 99%
  • Henan Fengda Chemical Co., Ltd
Di(cyclopentadienyl)zirconium(IV) chloride hydride bis(3-cyclopentadienyl)chlorohydrurozirconium Bis(cyclopentadienyl)zirconium chloride hydride (Schwartz's Reagent), Bis(cyclopentadienyl)zirconiumchloridehydride~Schwartz'sReagent~Zirconocenehydrochloride Zirconocenechloridehydride,95% Bis(cyclopentadienyl)zirconiumchloridehydride(Schwartz'sReagent),95% Di(cyclopentadienyl)zirconium(IV) chloride hydride, Schwartz reagent, Zirconocene chloride hydride Schwartz's Bis(cyclopentadienyl)zirconium chloride hydride,95% Schwartz’ reagent, Zirconocene chloride hydride chloridobis(η5-cyclopentadienyl)hydridozirconium zirconocene hydride Bis(cyclopentadienyl)zirconiuM chloride hydride, 95% 5GR Bis(cyclopentadienyl)zirconiuM chloride hydride,95% Schwartz's Reagent Zirconocene(IV) chloride hydride Bis(cyclopentadienyl)zirconiuM(IV) chloride hydride 95% BIS(CYCLOPENTADIENYL)ZIRCONIUM CHLORIDE HYDRIDE DI(CYCLOPENTADIENYL)ZIRCONIUM CHLORIDE HYDRIDE SCHWART'S REAGENT SCHWARTZ' REAGENT ZIRCONOCENE HYDROCHLORIDE Bis(cyclopentadienyl)chlorohydrozirconium Bis(cyclopentadienyl)zirconiumchloridehydride~Schwartz'sReagent~Zirconocenehydroc Zriconocene hydrochloride Bis(cyclopentadienyl)zirconium(IV) Chloride Hydride [Zirconocene Dichloride] Zirconocene chloride hydride, 94%, reagent grade oride hydride )zirconium chL Bis(cyclopentadienyl)zirconium chloride hydride ISO 9001:2015 REACH Zirconium, chlorobis(h5-2,4-cyclopentadien-1-yl)hydro- Supply best quality /favorable price Bis(cyclopentadienyl)zirconium chloride hydride ZIRCONOCENE CHLORIDE HYDRIDE BIS(CYCLOPENTADIENYL)ZIRCONIUM HYDRIDOCHLORIDE BIS(CYCLOPENTADIENYL)ZIRCONIUM(IV) CHLORIDE HYDRIDE SCHWARTZ REAGENT SCHWARTZ'S REAGENT Zirconium, chlorobis(η5-?2,?4-?cyclopentadien-?1-?yl)?hydro- Bis (cyclopentadiene) zirconium dichloride cyclopenta-1,3-diene hydride zirconium chloride Bis(cyclopentadienyl)zirconium chloride hydride (Schwartz's Reagent) 37342-97-5 C10H11ClZr C5H52ZrClH Reduction Transition Metal Compounds Titanocene, etc. Classes of Metal Compounds Zr (Zirconium) Compounds Metallocenes Metal Hydrides Synthetic Reagents Zr Classes of Metal Compounds Metallocenes Reduction Synthetic Organic Chemistry Titanocene, etc. Transition Metal Compounds