Description

(η(5):η(1)-C9H6Sime2N(T)Bu)Zrcl2 CAS NO 135571-34-5 is a highly specialized organometallic compound, specifically a zirconocene dichloride derivative with a constrained-geometry ligand framework. This compound matters for its role as a highly active and selective single-site catalyst precursor in advanced polyolefin polymerization processes. It is essential for chemical manufacturers and R&D laboratories focused on developing novel polymers with precisely controlled microstructures, molecular weights, and material properties.

Application

• Precursor for single-site catalysts in the production of linear low-density polyethylene (LLDPE) and polyolefin elastomers (POE).
• Key component in advanced catalyst systems for the copolymerization of ethylene with α-olefins like 1-hexene or 1-octene.
• Used in academic and industrial research to study structure-activity relationships in metallocene and post-metallocene catalysis.
• Enables the synthesis of tailor-made polymers with specific tacticity, comonomer incorporation, and thermal properties.
• Applied in the development of new catalytic processes for the sustainable production of specialty polyolefins.

Basic Information

Product Name	(η(5):η(1)-C9H6Sime2N(T)Bu)Zrcl2
CAS No.	135571-34-5
Molecular Formula	C15H25Cl2NSiZr
Molecular Weight	411.58 g/mol
Synonyms	Zirconium, dichloro[(1,2,3,3a,7a-η)-1H-inden-1-yl][[2,2-dimethyl-1-[(trimethylsilyl)methyl]propyl]amino]-, (SP-4-2)-; Dichloro[[2,2-dimethyl-1-[(trimethylsilyl)methyl]propyl]amino-1H-inden-1-yl]zirconium; CGC Zirconocene Dichloride; Constrained Geometry Catalyst (CGC) Precursor; (t-BuNSiMe2Flu)ZrCl2 (common abbreviation); Amido-Indenyl Zirconium Dichloride; Single-Site Zirconocene Catalyst
EINECS	Contact for details

Quality Control

Every batch of our (η(5):η(1)-C9H6Sime2N(T)Bu)Zrcl2 is synthesized and handled under stringent inert atmosphere conditions to ensure purity and catalytic activity. Our quality assurance includes comprehensive analytical characterization using NMR, elemental analysis, and single-crystal X-ray diffraction for structural confirmation. Certificates of Analysis (COA) detailing purity, identity, and moisture/oxygen-sensitive parameters are provided with each shipment to support your critical R&D and process development work.

Storage

Preserve in a tightly closed container, protected from light. This product is hygroscopic (moisture-sensitive) and easily oxidized; it must be stored under an inert atmosphere (argon or nitrogen) in a cool, dry place. Recommended storage temperature is 2-8°C for long-term stability. The container should be kept sealed and only opened in a certified glovebox or under a positive pressure of inert gas.

Specification

Item	Specification
Appearance	Yellow to orange crystalline solid
Identification (NMR)	Conforms to structure
Purity (NMR / HPLC)	≥ 95%
Elemental Analysis (Zr)	Conforms to theoretical value
Solubility	Soluble in toluene, dichloromethane, THF

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.