2,4-Dibromopentane

Base Information

• Chemical Name: 2,4-Dibromopentane
• CAS No.: 19398-53-9
• Molecular Formula: C5H10 Br2
• Molecular Weight: 229.942
• European Community (EC) Number: 243-031-7
• DSSTox Substance ID: DTXSID30884890
• Nikkaji Number: J82.860B
• Mol file: 19398-53-9.mol

Synonyms:2,4-Dibromopentane;19398-53-9;Pentane, 2,4-dibromo-;meso-2,4-Dibromopentane;1825-11-2;(2R,4S)-2,4-Dibromopentane;Pentane, 2,4-dibromo-,;2,4-Dibrom-pentan;SCHEMBL815364;DTXSID30884890;MFCD00039176;AKOS025294820;BS-22803;D1410;FT-0637841;Pentane, 2,4-dibromo-, (R*,R*)-( )-;T70499

Chemical Property of 2,4-Dibromopentane

Chemical Property:

• Melting Point: -28.63°C (estimate)
• Refractive Index: 1.4960-1.4990
• Boiling Point: 184°Cat760mmHg
• Flash Point: 64.3°C
• PSA: 0.00000
• Density: 1.668g/cm³
• LogP: 2.94330
• XLogP3: 3
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 2
• Exact Mass: 229.91288
• Heavy Atom Count: 7
• Complexity: 39.3

Purity/Quality:

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

2,4-Dibromopentane ^*data from reagent suppliers

Safty Information:

• Statements: 36/37/38
• Safety Statements: 26-36/37/39

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC(CC(C)Br)Br

Technology Process of 2,4-Dibromopentane

There total 15 articles about 2,4-Dibromopentane 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: 50.0%

meso/rac-2,4-pentanediol dimesylate (64923-71-3) → 2,4-dibromopentane (19398-53-9)

Guidance literature:

With lithium bromide; In acetone; for 8h; Heating;

Reference yield:

→ 2,4-dibromopentane (19398-53-9) + 2,3-dibromo-pentane (5398-25-4)

Guidance literature:

With hydrogen bromide;

Reference yield:

→ 2,4-dibromopentane (19398-53-9) + 2,3-dibromo-pentane (5398-25-4)

Guidance literature:

With hydrogen bromide;

upstream raw materials:

2-bromopent-3-ene

pentane-1,3-diol

meso/rac-2,4-pentanediol dimesylate

hydrogen bromide

Downstream raw materials:

penta-1,3-diene

hydrogen bromide

2,4-dimethylcyclobutanone

2,4-diphenyl-pentane

Refernces

• 1、 Hoffmann, Reinhard W.,Stenkamp, Dirk,Trieselmann, Thomas,G?ttlich, Richard. "Flexible molecules with defined shape XI[≠]. - Conformer equilibria in 2,4-disubstituted pentane derivatives". . p. 2915 - 2927. Retrieved 2007/10/03.
• 2、 Hempenius, Mark A.,Lugtenburg, Johan,Cornelisse, Jan. "Synthesis of 1,2-Dimethylpyrene, 1,3-Dimethylpyrene and 1,2,3-Trimethylpyrene". . p. 635 - 638. Retrieved 2007/10/02.