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216852-90-3

(η(5)-C5H3Me-CMe2-η(5)-C13H8)ZrCl2 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 216852-90-3 Structure

  • Basic information

    1. Product Name: (η(5)-C5H3Me-CMe2-η(5)-C13H8)ZrCl2
    2. Synonyms:
    3. CAS NO:216852-90-3
    4. Molecular Formula:
    5. Molecular Weight: 446.531
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 216852-90-3.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: (η(5)-C5H3Me-CMe2-η(5)-C13H8)ZrCl2(CAS DataBase Reference)
    10. NIST Chemistry Reference: (η(5)-C5H3Me-CMe2-η(5)-C13H8)ZrCl2(216852-90-3)
    11. EPA Substance Registry System: (η(5)-C5H3Me-CMe2-η(5)-C13H8)ZrCl2(216852-90-3)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 216852-90-3(Hazardous Substances Data)

216852-90-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 216852-90-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,6,8,5 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 216852-90:
(8*2)+(7*1)+(6*6)+(5*8)+(4*5)+(3*2)+(2*9)+(1*0)=143
143 % 10 = 3
So 216852-90-3 is a valid CAS Registry Number.

216852-90-3Downstream Products

216852-90-3Relevant articles and documents

Preparation and crystal structures of the complexes (η5-C5H3Me-CMe2-η5-C13H8)MCl2 (M=Zr or Hf): mechanistic aspects of the catalytic formation of a syndiotactic-isotactic stereoblock-type polypropylene

Razavi, Abbas,Atwood, Jerry L.

, p. 105 - 112 (1995)

The reaction of MCl4 (M=Zr or Hf) with the dilithium salt of 2-methyl-3-cyclopentadienyl-2-fluorenylpropane in pentane leads to the formation of the complexes (η5-C5H3Me)-CMe2-η5-C13H8)MCl2.NMR and X-ray diffraction data show that the fluorenyl groups are η5 bonded in these complexes.When activated with methylaluminoxane or other appropriate ionizing agents, both complexes catalyze the polymerization of propylene in a di-stereospecific manner, to give syndiotactic-isotactic stereoblock polypropylene.Keywords: Zirconium; Hafnium; NMR spectroscopy; Crystal structure

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