3,4-Dimethyl-1-pentene

Base Information

• Chemical Name: 3,4-Dimethyl-1-pentene
• CAS No.: 7385-78-6
• Molecular Formula: C7H14
• Molecular Weight: 98.1882
• Hs Code.: 2901299090
• NSC Number: 74137
• DSSTox Substance ID: DTXSID30871189
• Nikkaji Number: J244E
• Mol file: 7385-78-6.mol

Synonyms:3,4-DIMETHYL-1-PENTENE;7385-78-6;3,4-dimethylpent-1-ene;1-Pentene, 3,4-dimethyl-;NSC 74137;DTXSID30871189;WFHXQNMTMDKVJG-UHFFFAOYSA-N;(CH3)2CHCH(CH3)CH=CH2;NSC74137;NSC-74137;AKOS006275377;1-Pentene, 3,4-dimethyl- (8CI)(9CI);FT-0691985

Chemical Property of 3,4-Dimethyl-1-pentene

Chemical Property:

• Vapor Pressure: 97.9mmHg at 25°C
• Melting Point: -124.4°C (estimate)
• Refractive Index: 1.3965
• Boiling Point: 79.6°C at 760 mmHg
• PSA: 0.00000
• Density: 0.701g/cm³
• LogP: 2.46450
• XLogP3: 3
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 2
• Exact Mass: 98.109550447
• Heavy Atom Count: 7
• Complexity: 53.1

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Chemical Classes: Other Classes -> Aliphatics, Unsaturated
• Canonical SMILES: CC(C)C(C)C=C

Technology Process of 3,4-Dimethyl-1-pentene

There total 4 articles about 3,4-Dimethyl-1-pentene 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:

trans-2-Butene (624-64-6) + azobisisopropane (15464-00-3) → 2-methyl-but-2-ene (513-35-9) + propene (187737-37-7,13987-01-4,15220-87-8,9003-07-0,676-63-1,25085-53-4) + 3,4-dimethylpent-1-ene (7385-78-6) + (E)-5-methyl-2-hexene (7385-82-2,3404-62-4) + propane (74-98-6) + 2,3-dimethylbutane (79-29-8)

Guidance literature:

at 224.6 ℃; Product distribution; Rate constant; Kinetics; different initial compositions of substrates; various temperatures;

DOI:10.1039/ft9959101303

Reference yield:

3,4-dimethyl-penta-1,2-diene (7417-49-4) → 3,4-dimethylpent-1-ene (7385-78-6) + 2,3-dimethyl pentane (565-59-3) + (Z)-3,4-dimethyl-2-pentene (4914-91-4) + (E)-3,4-dimethyl-2-pentene (4914-92-5)

Guidance literature:

With hydrogen; palladium on barium sulfate;

Reference yield:

2,3-dimethyl pentane (565-59-3) → 3,4-dimethylpent-1-ene (7385-78-6) + 2,3-dimethylpent-1-ene (3404-72-6) + 2-ethyl-3-methyl-1-butene (7357-93-9) + cis-1,2-dimethylcyclopentane (1192-18-3) + trans-1,2-dimethylcyclopentane (822-50-4) + 2,3-dimethylpent-2-ene (10574-37-5)

Guidance literature:

platinum; at 389.9 ℃; Product distribution; selectivity of transformation, ratios of the aromatization in He or H₂ carrier gas and ratios of the transformation to trans/cis isomers in hydrogen carrier gas at other temperature;

upstream raw materials:

3,4-dimethyl-penta-1,2-diene

2,3-dimethyl pentane

trans-2-Butene

azobisisopropane

Downstream raw materials:

2,3,4-trimethyl-pentanal

C₈H₁₆O

Refernces

• 1、 Seres, Laszlo,Fischer, Ronald,Scherzer, Klaus,Goergenyl, Miklos. "Thermal Reaction of Azoisopropane in the Presence of (E)-CH3CH=CHCH3: Reactions of the Radical 2-C3H7(.)". . p. 1303 - 1312. Retrieved 2007/10/02.