Bis(cyclopentadienyl)manganese

Base Information

• Chemical Name: Bis(cyclopentadienyl)manganese
• CAS No.: 73138-26-8
• Molecular Formula: C10H10Mn
• Molecular Weight: 185.127
• Hs Code.: 29310099
• European Community (EC) Number: 215-038-5,620-873-7
• DSSTox Substance ID: DTXSID50925779
• Mol file: 73138-26-8.mol

Synonyms:1271-27-8;BIS(CYCLOPENTADIENYL)MANGANESE;cyclopenta-1,3-diene;manganese(2+);Manganese, di-2,4-cyclopentadien-1-yl-;EINECS 215-038-5;Dicyclopenta-2,4-dien-1-ylmanganese;manganese cyclopentadienide;DTXSID50925779;Di-2,4-cyclopentadien-1-ylmanganese

Chemical Property of Bis(cyclopentadienyl)manganese

Chemical Property:

• Appearance/Colour: Dark brown crystalline powder
• Vapor Pressure: 418mmHg at 25°C
• Melting Point: 175 °C(lit.)
• Boiling Point: 245 °C
• Flash Point: 125 °F
• Density: 1.49 g/cm3
• Storage Temp.: Refrigerator (+4°C) + Flammables area
• Sensitive.: Air & Moisture Sensitive
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 0
• Exact Mass: 185.016293
• Heavy Atom Count: 11
• Complexity: 53.3

Purity/Quality:

98% ^*data from raw suppliers

Bis(cyclopentadienyl)manganese, 98+% (Manganocene) ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26-36

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: [CH-]1C=CC=C1.[CH-]1C=CC=C1.[Mn+2]

Technology Process of Bis(cyclopentadienyl)manganese

There total 2 articles about Bis(cyclopentadienyl)manganese which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

(η5-cyclopentadienyl)triethylmanganese(IV) → manganese (7439-96-5) + manganocene (73138-26-8)

Guidance literature:

byproducts: ethane, ethylene; decompn. at 150°C;

Reference yield:

(η5-cyclopentadienyl)(μ-iodo)(trimethylphosphine)manganese(II) dimer (105335-48-6) → manganese(II) iodide (7790-33-2) + manganocene (73138-26-8) + (C5H5)MnI(P(CH3)3)2 (105335-49-7)

Guidance literature:

In ⁽²⁾H₈-toluene; soln. of Mn dimer heated to 390 K; (1)H NMR data at 305 K;

Reference yield: 99.0%

manganocene (73138-26-8) + carbon dioxide (124-38-9,18923-20-1) + diethylamine (109-89-7) → Mn(O2CN(C2H5)2)2 + cyclopenta-1,3-diene (542-92-7,25568-84-7,7313-32-8)

Guidance literature:

In toluene; under N2 or Ar;suspn. of Mn(cp)2 in toluene treated with stoicheiometric amt. of amine, clear soln, addn. of CO2, after 2 h no gas was uptaken; evapn.,;

DOI:10.1039/DT9880002921

upstream raw materials:

(η5-cyclopentadienyl)(μ-iodo)(trimethylphosphine)manganese(II) dimer

Downstream raw materials:

cymantrene

cyclopenta-1,3-diene

Triethylgerman

hexaethyldigermane

Refernces