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Bis(Benzene)Chromium丨CAS 1271-54-1

CAS: 1271-54-1
Chemical Formula: CrCp2

Bis(Benzene)Chromium, or CrCp2, is a brown to black crystal with a typical metal-sandwich complex structure, similar to ferrocene. It plays an important role in organometallic chemistry and coordination chemistry research, exhibiting good structural stability and controllable reactivity, and is crucial in organic synthesis and the polymer industry.
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Bis(Benzene)Chromium Basic Properties

SynonymsBis(benzene)chromium,97%;Chromium dibenzene;Bis(benzene)chromium(0),min.97%;bis(eta6-benzene)chromium;Bis(benzene)chromium (0), min. 97%
Molecular FormulaC12H12Cr
AppearanceBrown to black crystal
Molecular Weight208.22
Melting Point260-265 °C(lit.)
Flash Point180 °F
SolubilitySoluble in organic solvents, insoluble in water
Purity≧ 98%
Storage ConditionsFlammables area
Package Information100g,500g, 13kg or customized

Bis(Benzene)Chromium Key Features

Typical sandwich coordination structure

The bis(benzene)chromium molecule consists of a chromium atom sandwiched between two parallel benzene ring planes. It is often used for structural reference and coordination studies and is of great significance for understanding coordination chemistry.

Good solubility

CrCp2 exhibits good solubility in common organic solvents, which is beneficial for preparation, conversion, and subsequent reaction studies.

Specific redox properties

This compound is slowly oxidized in air to a paramagnetic diphenylchromium cation salt. This controllable redox reaction makes it a potential candidate for applications in specific electron transfer reactions.

Moderate stability

Compared to some metal aromatic ring complexes, it exhibits better stability during storage and experimental handling.

Bis(Benzene)Chromium Main Applications

Olefin polymerization catalysis

In the polymer chemical industry, bis(benzene)chromium is used as a catalyst or catalyst component for olefin polymerization reactions. It can promote the polymerization of specific olefin monomers and is valuable for the development of novel polymer materials.

Organic synthesis catalysis

Besides polymerization reactions, it can also be used to catalyze other organic transformation processes, such as the dehydrogenation of isopropanol, playing a role in the synthesis of fine chemical and pharmaceutical intermediates.

Materials science precursors

Based on its unique electronic structure, CrCp2 can serve as a starting point or precursor for the synthesis of special functional materials (such as certain metal-organic frameworks or complexes with specific magnetic and electrical properties).

Precautions

  1. CrCp2 should be stored in a sealed container in a cool, dry environment to prevent decomposition caused by light and high temperatures.

  2. It is recommended to store and handle the product in a nitrogen or argon atmosphere to avoid oxidation affecting purity and performance.

  3. Appropriate personal protective equipment, including chemical-resistant gloves, goggles, and protective clothing, should be worn during operation. Avoid contact with skin and eyes or inhalation of its dust.

  4. Avoid contact with strong oxidants, strong acids, and strong alkalis.

  5. Waste disposal should comply with relevant regulations to avoid environmental pollution.

FAQ

1. What could be causing my CrCp2 sample to change color or become less soluble?

This is most likely due to oxidation or decomposition of the sample. This compound is sensitive to air; exposure to air will cause it to change from brown to other colors (such as the color of oxidation products), and may lead to changes in its solubility and decreased catalytic activity. Therefore, please be sure to check that the storage conditions meet the requirements for an inert atmosphere.


2. Can it be operated in an aqueous system?

Not recommended. It is insoluble in water, and the metal-organic structure is unstable in water.


Wolfa professionally supplies Bis(Benzene)Chromium, supporting small-batch sampling and large-volume procurement needs. Packaging options include ordinary glass bottles, glass ampoules, metal ampoules, etc.


For product analysis reports (such as COA) or procurement consulting, please feel free to contact us at jomin@wolfabio.com at any time.

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