Bis(cyclopentadienyl)zirconium, commonly referred to as zirconocene, is a versatile organometallic compound widely used in catalysis, particularly in ethylene polymerization. Studies highlight its derivatives, such as zirconocene amides, ketimides, and perfluorooctanesulfonates, which exhibit catalytic activity when activated by cocatalysts. These complexes demonstrate stability, reactivity, and unique structural properties, making them valuable in polyolefin production and organic transformations involving C-C bond formation. Additionally, zirconocene derivatives participate in hydrogenolysis reactions, with mechanisms varying based on ligand bridging, and can form structurally distinct metallacycles, further expanding their utility in organometallic chemistry.

12116-83-5

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Basic information
1. Product Name: bis(cyclopentadienyl)zirconium
2. Synonyms: bis(cyclopentadienyl)zirconium
3. CAS NO:12116-83-5
4. Molecular Formula:
5. Molecular Weight: 221.413
6. EINECS: N/A
7. Product Categories: N/A
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: bis(cyclopentadienyl)zirconium(CAS DataBase Reference)
10. NIST Chemistry Reference: bis(cyclopentadienyl)zirconium(12116-83-5)
11. EPA Substance Registry System: bis(cyclopentadienyl)zirconium(12116-83-5)
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: 12116-83-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 12116-83-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,1,1 and 6 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 12116-83:
(7*1)+(6*2)+(5*1)+(4*1)+(3*6)+(2*8)+(1*3)=65
65 % 10 = 5
So 12116-83-5 is a valid CAS Registry Number.

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