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Chlorobis(cyclooctene)iridium(I) Dimer

Chlorobis(cyclooctene)iridium(I) Dimer

CAS Number: 12246-51-4

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Features

CAS Number:

12246-51-4

Linear Formula:

C32H56Cl2Ir2

Purity:

>97%

Form:

Yellow-orange to brown powder

 

Product Description
Chlorobis(cyclooctene)iridium(I) dimer is a valuable organometallic compound containing two iridium(I) centers, each coordinated by a chloride ligand and a cyclooctene ligand. It forms a dimeric structure, which makes it an excellent starting material for the preparation of various iridium complexes and catalysts.

This compound is widely used in homogeneous catalysis, particularly in hydrogenation, hydroboration, and C–H activation reactions. Due to its high reactivity and ligand substitution potential, it is a key precursor in the development of phosphine- and carbene-based iridium catalysts for industrial and academic applications.

 


 

🔹 Features & Properties

📌 Molecular Formula: C₃₂H₅₆Cl₂Ir₂

📌 Molecular Weight: ~1072.1 g/mol

📌 Appearance: Yellow-orange to brown crystalline powder

📌 Purity: >97%

📌 Solubility: Soluble in organic solvents such as dichloromethane, toluene, and THF

📌 Stability: Air-stable as a solid, sensitive to light and moisture in solution

📌 Structure: Dimeric with bridging chloride ligands

 


 

🚀 Applications & Related Industries

Catalyst Precursor: Foundation for a wide range of Ir(I) complexes

Hydrogenation Reactions: Efficient in selective hydrogenations

C–H Activation Chemistry: Used in the synthesis of novel catalytic systems

Organometallic Synthesis: Intermediate for functionalized iridium complexes

Research & Development: In high-performance catalysis and coordination chemistry

 


 

📖 Synonyms

Bis(μ-chloro)bis(cyclooctene)diiridium(I)

Chloro(cyclooctene)iridium(I) dimer

(COD)IrCl dimer precursor

 


 

Health & Safety Information

Hazard Statements: May cause irritation to eyes, skin, or respiratory tract

⚠ Avoid inhalation of dust and contact with skin

Use with protective clothing, gloves, and safety goggles

Store in airtight containers in a cool, dry, and dark location

Handle under inert atmosphere for extended shelf life

 


 

🏭 Production Method & Equipment
Synthesized through the controlled reaction of iridium trichloride hydrate with cyclooctene in a suitable organic solvent under an inert gas atmosphere. The product is purified by crystallization or vacuum drying under controlled temperature and light conditions to prevent degradation.

 


 

📐 Size & Customization

Available in: 100 mg, 1 g, 5 g, and larger batch quantities

Custom packaging and labeling available upon request

 


 

📋 Certifications & Quality Assurance

Conforms to ASTM, JIS, GB, EN, and BS standards

Supplied with complete documentation: COA, MSDS, and structural analysis reports

Quality controlled by NMR, elemental analysis, and spectrophotometry

Manufactured under ISO-certified quality systems

 


 

Lead Time & MOQ

Lead Time: 5–10 working days

MOQ: 100 mg (standard); 1 g (bulk orders)

 


 

💬 FAQs (Frequently Asked Questions)

Q1: What solvents are best for dissolving this compound?
A1: It dissolves well in non-polar organic solvents such as DCM, THF, and toluene.

Q2: What is its main use in catalysis?
A2: It serves as a precursor to a variety of iridium(I) catalysts used in hydrogenation and C–H activation.

Q3: How should it be stored?
A3: In a tightly sealed container under inert gas, protected from light and moisture.

 


 

🧭 How to Choose the Product

For basic synthesis, >97% purity is suitable

Choose small quantities for R&D or catalyst screening

For scale-up and advanced research, specify solvent, format (solid/powder), and packaging needs

 


 

📏 Product Standards

Conforms to ASTM, GB, JIS, EN, and BS standards

Additional industry-specific standards (e.g., REACH, RoHS) available on request

 


 

🧪 Production & Quality Control

Synthesized and purified in controlled inert-atmosphere environments

Quality tested by NMR, IR, TGA, and elemental analysis

Each batch traceable by lot number and quality audit records

 


 

📦 Shipping & Delivery Information

Supplied in amber glass vials or sealed containers

Options include lab-grade packaging or bulk shipment

Global air or courier delivery with compliant documentation

 


 

🌱 Environmental Impact & Sustainability

Precious metal recycling supported

Produced using low-solvent and environmentally conscious synthesis

Waste reduction through efficient process control

 


 

🧼 Maintenance & Care Instructions

Store under argon or nitrogen atmosphere

Avoid repeated exposure to air or light

Reseal promptly after use to maintain integrity

 


 

🧩 Differentiation Between Products
Compared with Ir(COD)Cl monomers, the dimeric form offers enhanced reactivity and is preferred in synthetic chemistry requiring rapid ligand substitution. It also shows better air-stability in its solid form compared to more labile iridium(I) complexes.

 


 

📩 Contact Us
For quotations, COA, application notes, or tailored synthesis solutions, get in touch with our professional support team.

 


Chemical Identifiers

Linear Formula

C32H56Cl2Ir2

MDL Number

MFCD00213465

EC No.

N/A

Pubchem CID

N/A

IUPAC Name

N/A

SMILES

C1CCC[CH][CH]CC1.C1CCC[CH][CH]CC1.C1CCC[CH][CH]CC1.C1CCC[CH][CH]CC1.Cl[Ir].Cl[Ir]

InchI Identifier

InChI=1S/ 4C8H14.2ClH.2Ir/ c4*1-2-4-6-8-7-5-3-1;/ h4*1-2H,3-8H2;2*1H;/ q;2*+1/p-2/b4*2-1-;

InchI Key

WBRREXQCZAFSKS-XFCUKONHSA-L

Chlorobis(cyclooctene)iridium(I) dimer Properties (Theoretical)

Compound Formula

C32H56Cl2Ir2

Molecular Weight

896.13

Appearance

Yellow-orange to brown powder

Melting Point

160-165 °C

Boiling Point

N/A

Density

N/A

Solubility in H2O

N/A

Exact Mass

N/A

Monoisotopic Mass

896.301697

Charge

N/A

Chlorobis(cyclooctene)iridium(I) dimer Health & Safety Information

Signal Word

Warning

Hazard Statements

H315-H319-H335

Hazard Codes

Xi

Precautionary Statements

P261-P280-P305+P351+P338-P304+P340-P321P332+P313-P362-P403+P233-P405-P501

Risk Codes

36/37/38

Safety Statements

26-37/39

RTECS Number

N/A

Transport Information

NONH for all modes of transport

WGK Germany

3

GHS Pictograms

GHS08 Health Hazard

1

 

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