1 19-EICOSADIENE

Base Information

• Chemical Name: 1 19-EICOSADIENE
• CAS No.: 14811-95-1
• Molecular Formula: C20H38
• Molecular Weight: 278.522
• Hs Code.: 2901299090
• Mol file: 14811-95-1.mol

Synonyms:1,19-Icosadiene;1 19-EICOSADIENE;1 19-EICOSADIENE 97%

Chemical Property of 1 19-EICOSADIENE

Chemical Property:

• Vapor Pressure: 9.97E-05mmHg at 25°C
• Melting Point: 24.5 °C
• Refractive Index: 1.452
• Boiling Point: 348.7°C at 760 mmHg
• Flash Point: 145.5°C
• PSA: 0.00000
• Density: 0.798g/cm³
• LogP: 7.60000

Purity/Quality:

98.5% ^*data from raw suppliers

1,19-Eicosadiene 80% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1 19-EICOSADIENE

There total 15 articles about 1 19-EICOSADIENE 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: 99.0%

Dec-9-enylmagnesium bromide (130628-58-9) → eicosa-1,19-diene (14811-95-1)

Guidance literature:

With ethylene dibromide; silver(I) 4-methylbenzenesulfonate; In tetrahydrofuran; at 20 ℃; for 0.5h;

DOI:10.1246/cl.2005.1152

Reference yield: 58.0%

10-bromodec-1-ene (62871-09-4) → eicosa-1,19-diene (14811-95-1) + P((CH2)8CHCH2)3 (1241848-59-8)

Guidance literature:

10-bromodec-1-ene; With magnesium; ethylene dibromide; In tetrahydrofuran; at 20 ℃; Inert atmosphere;

With phosphorus trichloride; In tetrahydrofuran; Inert atmosphere; Cooling;

DOI:10.1515/znb-2010-0327

Reference yield: 42.0%

N-(10-Undecenoyloxy)pyridine-2-thione (114050-28-1) → eicosa-1,19-diene (14811-95-1) + 2-Dec-9-enylsulfanyl-pyridine (114050-37-2)

Guidance literature:

In tetrahydrofuran; at -64 ℃; for 0.333333h; Irradiation;

DOI:10.1016/S0040-4020(01)86878-2

upstream raw materials:

ethanol

10-undecenoic acid

monoethyl sebacate

1-bromo-hexane

Downstream raw materials:

octadecanedioic acid

Refernces

• 1、 Nawara-Hultzsch, Agnieszka J.,Skopek, Katrin,Shima, Takanori,Barbasiewicz, Micha,Hess, Gisela D.,Skaper, Dirk,Gladysz, John A.. "Syntheses and palladium, platinum, and borane adducts of symmetrical trialkylphosphines with three terminal vinyl groups, P((CH2) mCH=CH2)3". experimental part. p. 414 - 424. Retrieved 2010/10/01.
• 2、 Font, Rafael,Aracil, Ignacio,Fullana, Andrés,Conesa, Juan A.. "Semivolatile and volatile compounds in combustion of polyethylene". . p. 615 - 627. Retrieved 2007/10/03.