CH2=C=CHCH=CH2

Base Information

• Chemical Name: CH2=C=CHCH=CH2
• CAS No.: 10563-01-6
• Molecular Formula: C5H6
• Molecular Weight: 66.1026
• Hs Code.: 2901299090
• Mol file: 10563-01-6.mol

Synonyms:Vinylallene

Chemical Property of CH2=C=CHCH=CH2

Chemical Property:

• Vapor Pressure: 275mmHg at 25°C
• Boiling Point: 52.8°Cat760mmHg
• Flash Point: °C
• PSA: 0.00000
• Density: 0.661g/cm³
• LogP: 1.51350

Purity/Quality:

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

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of CH2=C=CHCH=CH2

There total 6 articles about CH2=C=CHCH=CH2 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: 46.0%

methanol (67-56-1) + C6H9N3O2 (84927-17-3) → vinylallene (10563-01-6) + 4-methoxycyclopent-1-ene (40955-64-4) + cyclopenta-1,3-diene (542-92-7,25568-84-7,7313-32-8)

Guidance literature:

With sodium methylate;

DOI:10.1021/ja00344a070

Reference yield:

1,1-dibromo-2-vinylcyclopropane (5398-65-2) → vinylallene (10563-01-6) + cyclopenta-1,3-diene (542-92-7,25568-84-7,7313-32-8)

Guidance literature:

With methyllithium; at 104 ℃; under 0.005 Torr; Product distribution; other temperature;

DOI:10.1021/ja00398a052

Reference yield:

1,1-dibromo-2,3-trans-bis(chloromethyl)cyclopropane (119379-56-5) → vinylallene (10563-01-6) + cyclopenta-1,3-diene (542-92-7,25568-84-7,7313-32-8)

Guidance literature:

With methyllithium; at -78 - 25 ℃;

DOI:10.1016/S0040-4039(00)96741-8

upstream raw materials:

methanol

C₆H₉N₃O₂

Cyclopropylacetylene

1,1-dibromo-2-vinylcyclopropane

Downstream raw materials:

3,5-Bismethylen-4-vinyl-1-cyclohexen

3,4-Bismethylen-1,5-cyclooctadien

3-Methylen-5-propadienyl-1-cyclohexen

1,2,5,6-Tetrahydronaphthalin

Refernces

• 1、 Miyazaki, Jun,Yamada, Yasuhiro. "Photochemistry of cyclopentadiene isolated in low-temperature argon matrices". . p. 145 - 153. Retrieved 2004.
• 2、 Wiberg, Kenneth B.,McClusky, John V.. "TRICYCLO1,3>PENTANE". . p. 5411 - 5414. Retrieved 2007/10/02.