2,5,8,11,14,17,20-Heptaoxahenicosane

Base Information

• Chemical Name: 2,5,8,11,14,17,20-Heptaoxahenicosane
• CAS No.: 1072-40-8
• Molecular Formula: C14H30 O7
• Molecular Weight: 310.388
• Hs Code.: 2901100000
• European Community (EC) Number: 214-006-8
• DSSTox Substance ID: DTXSID50147939
• Nikkaji Number: J135.417E
• Wikidata: Q83013373
• Mol file: 1072-40-8.mol

Synonyms:1072-40-8;2,5,8,11,14,17,20-Heptaoxahenicosane;2,5,8,11,14,17,20-Heptaoxaheneicosane;Hexaethylene glycol dimethyl ether;1-methoxy-2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethane;EINECS 214-006-8;hexaglyme;Glyme-7;CH3O-PEG6-OCH3;SCHEMBL125676;DTXSID50147939;C14H30O7;C14-H30-O7;HY-134746;CS-0148476;2,5,8,11,14,17,20-Heptaoxahenicosane #

Chemical Property of 2,5,8,11,14,17,20-Heptaoxahenicosane

Chemical Property:

• Vapor Pressure: 5.08E-05mmHg at 25°C
• Boiling Point: 359°Cat760mmHg
• Flash Point: 136.5°C
• PSA: 64.61000
• Density: 1.02g/cm³
• LogP: 0.36220
• Storage Temp.: Refrigerator
• Solubility.: Chloroform (Slightly), Methanol (Slightly)
• XLogP3: -1
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 7
• Rotatable Bond Count: 18
• Exact Mass: 310.19915329
• Heavy Atom Count: 21
• Complexity: 163

Purity/Quality:

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

Hexaethylene glycol dimethyl ether ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: COCCOCCOCCOCCOCCOCCOC
• Uses: Hexaethylene glycol dimethyl ether is a useful stationary phase in gas chromatographic analysis, and also suitable for the analysis of aqueous solutions.

Technology Process of 2,5,8,11,14,17,20-Heptaoxahenicosane

There total 8 articles about 2,5,8,11,14,17,20-Heptaoxahenicosane 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: 56.0%

tetraethylene glycol di(p-toluenesulfonate) (37860-51-8) + 2-methoxy-ethanol (109-86-4,95507-80-5) → 2,5,8,11,14,17,20-heptaoxahenicosane (1072-40-8)

Guidance literature:

2-methoxy-ethanol; With sodium hydroxide; In tetrahydrofuran; for 1h; Inert atmosphere;

tetraethylene glycol di(p-toluenesulfonate); In tetrahydrofuran; at 66 ℃; for 51h; Inert atmosphere;

DOI:10.1016/j.molliq.2014.09.017

Reference yield:

hexaethylene glycol dimethyl ether and lithium picrate complex → 2,5,8,11,14,17,20-heptaoxahenicosane (1072-40-8)

Guidance literature:

With RG₇; In toluene; at 25 ℃; Equilibrium constant;

DOI:10.1021/ja00325a013

Reference yield:

hexaethylene glycol dimethyl ether and sodium picrate complex → 2,5,8,11,14,17,20-heptaoxahenicosane (1072-40-8)

Guidance literature:

With RG₇; In toluene; at 25 ℃; Equilibrium constant;

DOI:10.1021/ja00325a013

upstream raw materials:

sodium methylate

1,17-dichloro-3,6,9,12,15-pentaoxaheptadecane

triethylene glucol monomethyl ether

1-chloro-3,6,9-trioxadecane

Refernces

• 1、 Jó?wiak, Ma?gorzata,Jó?wiak, Andrzej. "Enthalpy of solution of hexaglyme in mixtures of water with N,N-dimethylformamide at 298.15 K". . p. 224 - 226. Retrieved 2014.