TETRAISOBUTYLENE

Base Information

• Chemical Name: TETRAISOBUTYLENE
• CAS No.: 15220-85-6
• Molecular Formula: C₄H₈
• Molecular Weight: 56.1075
• Mol file: 15220-85-6.mol

Synonyms:Propene,2-methyl-, tetramer (6CI,7CI,8CI);Isobutene tetramer;Isobutylene tetramer;NAS 4;Tetraisobutylene;

Chemical Property of TETRAISOBUTYLENE

Chemical Property:

• Vapor Pressure: 0.0223mmHg at 25°C
• Melting Point: -98 °C
• Refractive Index: 1.431
• Boiling Point: 258.3 °C at 760 mmHg
• Flash Point: 110.2 °C
• PSA: 0.00000
• Density: 0.772 g/cm³
• LogP: 5.83130

Purity/Quality:

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

Tetraisobutylene (contains isomer) ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of TETRAISOBUTYLENE

There total 1542 articles about TETRAISOBUTYLENE 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: 82.0%

tert-butyl(tetraethyldiamido)phosphite → tetraethyldiamidochlorophosphate (1794-24-7) + isobutene (115-11-7,15220-85-6)

Guidance literature:

With tetrachloromethane; at -10 ℃;

Reference yield:

tertiary butyl chloride (507-20-0) + sodium p-nitrophenoxide dihydrate (10424-18-7,42083-62-5,63317-67-9,66924-59-2) + tert-butyl alcohol (75-65-0) → 4-nitro-phenol (100-02-7,78813-13-5,89830-32-0) + isobutene (115-11-7,15220-85-6)

Guidance literature:

at 110 ℃;

Reference yield:

4,4-dimethyl-azetidin-2-one (4879-95-2) → 2,2-dimethylaziridine (2658-24-4) + propene (187737-37-7,13987-01-4,15220-87-8,9003-07-0,676-63-1,25085-53-4) + ethane (74-84-0) + Isobutane (75-28-5,40921-86-6) + carbon monoxide (201230-82-2) + isobutene (115-11-7,15220-85-6)

Guidance literature:

at 149.9 ℃; under 28.5 Torr; Product distribution; Quantum yield; Mechanism; Irradiation; mercury-photosensitized decomposition; other pressures (640 - 5000 Pa), different light intensities;

DOI:10.1246/bcsj.63.2911

upstream raw materials:

tetrahydrofuran

t-butyl bromide

(E)-3-Ureido-but-2-enoic acid ethyl ester

2,2-dimethyl-oxetane

Downstream raw materials:

1-(tert-butyl)-4-methylcyclohexane

2-methoxy-4,6-di-tert-butylphenol

4-t-butyl-2-methoxyphenol

Methyl 5-methyl-5-hexenoate

Refernces

• 1、 Tian, Kaige,Li, Qin,Jiang, Weili,Wang, Xiaosheng,Liu, Shicheng,Zhao, Yapeng,Zhou, Guanglin. "Effect of the pore structure of an active alumina catalyst on isobutene production by dehydration of isobutanol". . p. 11952 - 11958. Retrieved 2021/04/06.
• 2、 Kumar, Anubhav,Mondal, Supratim,Banerjee, Shibdas. "Aqueous Microdroplets Capture Elusive Carbocations". supporting information. p. 2459 - 2463. Retrieved 2021/02/16.