Bis(methylcyclopentadienyl)nickel(II)

CAS 1293-95-4Ni(C5H4CH3)2Catalysis & Inorganic

Bis(methylcyclopentadienyl)nickel(II) (CAS: 1293-95-4) is an organometallic compound with the formula Ni(C5H4CH3)2. This nickelocene derivative is primarily utilised as a reactant in advanced chemical synthesis. It plays a crucial role in the preparation of various nickel-containing complexes, including sandwich compounds and N-heterocyclic carbene complexes, contributing to advancements in catalysis and inorganic chemistry. Its specific reactivity makes it a valuable reagent for creating substituted monocyclopentadienyl structures.

IUPAC: 1,1′-Dimethylnickelocene
Synonyms: 1,1′-Dimethylnickelocene

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Bis(methylcyclopentadienyl)nickel(II) (Ni(C5H4CH3)2) — chemical structure, CAS 1293-95-4; Chemistry, fine chemical supplied by Tech Serve Solutions

Chemical SynthesisNickel

01 /Applications

Synthesis of Nickel Sandwich Complexes

Bis(methylcyclopentadienyl)nickel(II) serves as a key precursor for synthesising various nickel sandwich complexes. These compounds are of interest in organometallic chemistry and materials science due to their unique electronic and structural properties.

Preparation of N-Heterocyclic Carbene Complexes

This nickel compound is employed in the synthesis of nickel complexes featuring N-heterocyclic carbene (NHC) ligands. These NHC complexes are important catalysts in a variety of organic transformations.

Functionalised Monocyclopentadienyl Compounds

It is a reactant for generating functionally substituted monocyclopentadienyl compounds. These derivatives can be further elaborated for diverse applications in coordination chemistry and catalysis.

02 /Properties

Molecular weight	216.93
Linear formula	Ni(C5H4CH3)2
Assay	97%
Boiling point	85-90 °C/1 mmHg(lit.)
Storage temperature	2-8°C
Application	Reactant for synthesis of:• Nickel sandwich complexes1• N-heterocyclic carbene complexes2• Functionally substituted monocyclopentadienyl compounds3
Melting point	34-36 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled

Precautionary statements

P280Wear protective gloves, clothing and eye/face protection

Protective equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Flash point	66 °C / 150.8 °F
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xn
Risk statements (R)	20/21/22
Safety statements (S)	16-33-36

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

1293-95-4

MDL number

MFCD01863654

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Bis(methylcyclopentadienyl)nickel(II) used for?

Bis(methylcyclopentadienyl)nickel(II) is used as a reactant for the synthesis of nickel sandwich complexes, N-heterocyclic carbene complexes, and functionally substituted monocyclopentadienyl compounds, finding applications in catalysis and inorganic chemistry.

What are the CAS number and formula for Bis(methylcyclopentadienyl)nickel(II)?

The CAS number for Bis(methylcyclopentadienyl)nickel(II) is 1293-95-4, and its chemical formula is Ni(C5H4CH3)2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Bis(methylcyclopentadienyl)nickel(II) with an assay of 97%. This product is not represented as USP, BP, EP, or pharmacopoeia grade.

What are the safety considerations when handling Bis(methylcyclopentadienyl)nickel(II)?

Bis(methylcyclopentadienyl)nickel(II) is classified with GHS07, signal word Warning, and hazard statements H302, H312, H332. Appropriate personal protective equipment, including eyeshields, gloves, and an N95 or P1 respirator filter, should be used. Ensure adequate ventilation and avoid dust formation.

How is Bis(methylcyclopentadienyl)nickel(II) packed, shipped, and exported?

Bis(methylcyclopentadienyl)nickel(II) is carefully packed and prepared for shipment according to international regulations for hazardous materials. TSS is an experienced global supplier and exporter of fine chemicals.

How can I request a quote or sample for Bis(methylcyclopentadienyl)nickel(II)?

To request a quote or sample, please contact the TSS sales team through our website or by phone, providing the product name and CAS number (1293-95-4).