Pentamethylenebis(magnesium bromide)

Base Information

• Chemical Name: Pentamethylenebis(magnesium bromide)
• CAS No.: 23708-48-7
• Molecular Formula: C5H10Br2Mg2
• Molecular Weight: 278.552
• Hs Code.: 29319090
• European Community (EC) Number: 627-073-7
• Mol file: 23708-48-7.mol

Synonyms:PENTAMETHYLENEBIS(MAGNESIUM BROMIDE);PENTANE-1,5-DI(MAGNESIUM BROMIDE);Pentamethylenebis(magnesium bromide) solution;PENTAMETHYLENEBIS(MAGNESIUM BROMIDE), 0. 5M SOLUTION IN TETRAHYDROFURAN;Pentamethylenebis(magnesium bromide) solution 0.5 in THF;PentaMethylenebis(MagnesiuM broMide), 0.5M solution in THF, AcroSeal;Pentamethylenebis(magnesium bromide) 0.5M solution in THF;PentaMethylenebis(MagnesiuM broMide), 0.5M solution in THF, J&KSeal

Chemical Property of Pentamethylenebis(magnesium bromide)

Chemical Property:

• Flash Point: 1 °F
• PSA: 0.00000
• Density: 0.999 g/mL at 25 °C
• LogP: -3.94210
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 2
• Exact Mass: 277.88296
• Heavy Atom Count: 9
• Complexity: 20.4

Purity/Quality:

98%,99%, ^*data from raw suppliers

Pentamethylenebis(magnesium bromide) solution 0.5 M in THF ^*data from reagent suppliers

Safty Information:

• Pictogram(s): F,C
• Hazard Codes: F,C
• Statements: 11-14-19-34-40-37
• Safety Statements: 16-26-36/37/39-45

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: [CH2-]CCC[CH2-].[Mg+2].[Mg+2].[Br-].[Br-]
• Uses: Dibromo-μ-1,5-pentanediyldimagnesium CAS:23708-48-7 is a useful building block in organic synthesis.

Technology Process of Pentamethylenebis(magnesium bromide)

There total 4 articles about Pentamethylenebis(magnesium bromide) 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:

1,5-dibromo-pentane (111-24-0) + magnesium (7439-95-4) → pentamethylenebis(magnesium bromide) (23708-48-7)

Guidance literature:

ethylene dibromide; In diethyl ether; at 19.4 - 30 ℃; Product distribution / selectivity; Heating / reflux; Industry scale;

Reference yield:

1,5-dibromo-pentane (111-24-0) → pentamethylenebis(magnesium bromide) (23708-48-7)

Guidance literature:

With magnesium; In tetrahydrofuran; at 0 ℃;

DOI:10.1016/S0040-4020(01)90000-6

Reference yield:

C10H20Mg2 → pentamethylenebis(magnesium bromide) (23708-48-7)

Guidance literature:

With magnesium bromide; at 28.3 ℃; Equilibrium constant; Thermodynamic data; Η(excit.), Σ(excit.);

DOI:10.1016/S0022-328X(00)93974-3

upstream raw materials:

1,5-dibromo-pentane

magnesium

Downstream raw materials:

1,1'-pentanediyl-bis-cyclohexanol

1-n-propyl-1-cyclohexanol

1,1-dimethyl-1-silacyclohexane

1,10-undecadiene

Refernces

• 1、 Holtkamp, H. C.,Schat, G.,Blomberg, C.,Bickelhaupt, F.. "THE STRUCTURE OF 1,4-BISORGANOMAGNESIUM COMPOUNDS IN SOLUTION: 1,4-BIS(BROMOMAGNESIO)BUTANE AND (DIMERIC) MAGNESACYCLOPENTANE". . p. 1 - 8. Retrieved 1982.
• 2、 -. "Alkoxysilacycloalkanes, process for their preparation and their use for the polymerization of olefins". Page/Page column 7-10. . Retrieved 2010/11/30.