Description

Bis(cyclopentadienyl)magnesium (CAS No. 1284-72-6) is a highly specialized organomagnesium compound with the molecular formula C₁₀H₁₀Mg. This air-sensitive, pyrophoric solid is widely utilized in advanced chemical synthesis and materials science due to its unique reactivity as a precursor for magnesium-containing complexes. With a purity of 99.99% Mg, it is ideal for precision applications in catalysis, thin-film deposition (e.g., CVD/ALD), and polymer chemistry. Packaged under inert gas to ensure stability, this product is tailored for researchers requiring ultra-high-purity reagents for cutting-edge developments in nanotechnology and organometallic chemistry. Available in customizable quantities with strict quality control to meet ISO and ASTM standards.

Properties

• CAS Number: 1284-72-6
• Complexity: 11.6
• IUPAC Name: magnesium;cyclopenta-1,3-diene
• InChI: InChI=1S/2C5H5.Mg/c2*1-2-4-5-3-1;/h2*1-5H;/q2*-1;+2
• InChI Key: WGESBNRUPISICS-UHFFFAOYSA-N
• Exact Mass: 154.0632920
• Molecular Formula: C10H10Mg
• Molecular Weight: 154.49
• SMILES: [CH-]1C=CC=C1.[CH-]1C=CC=C1.[Mg+2]
• Monoisotopic Mass: 154.0632920
• Synonyms: Bis(cyclopentadienyl)magnesium, 1284-72-6, 603-275-0, MFCD00134487, magnesium cyclopentadienide, SCHEMBL11043301, Bis(cyclopentadienyl)magnesium (99.99% Mg), Q1884288

Bis(cyclopentadienyl)magnesium serves as a critical precursor in the synthesis of magnesium-based thin films for semiconductor and optoelectronic devices. It is employed in vapor-phase deposition techniques (CVD/ALD) to produce high-performance coatings with precise stoichiometry. Researchers also leverage its reactivity in polymerization catalysts and as a Grignard-type reagent for organic transformations. Its role in energy storage materials, including magnesium-ion batteries, is under active investigation.

Safety and Hazards

GHS Hazard Statements

• H228 (72%): Flammable solid [Danger Flammable solids]
• H250 (99.2%): Catches fire spontaneously if exposed to air [Danger Pyrophoric liquids]
• H260 (17.4%): In contact with water releases flammable gases which may ignite spontaneously [Danger Substances and mixtures which in contact with water, emit flammable gases]
• H261 (78%): In contact with water releases flammable gas [Danger Substances and mixtures which in contact with water, emit flammable gases]
• H314 (96.2%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
• H318 (78%): Causes serious eye damage [Danger Serious eye damage/eye irritation]

Precautionary Statements

• P210, P222, P223, P231, P231+P232, P233, P240, P241, P260, P264, P264+P265, P280, P301+P330+P331, P302+P335+P334, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P321, P363, P370+P378, P402+P404, P405, and P501

Hazard Classes and Categories

• Flam. Sol. 2 (72%)
• Pyr. Sol. 1 (99.2%)
• Water-react. 1 (17.4%)
• Water-react. 2 (78%)
• Skin Corr. 1B (96.2%)
• Eye Dam. 1 (78%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.