3-methyl-2,5-dihydrothiophene

Base Information

• Chemical Name: 3-methyl-2,5-dihydrothiophene
• CAS No.: 42855-50-5
• Molecular Formula: C5H8S
• Molecular Weight: 100.185
• Mol file: 42855-50-5.mol

Synonyms:2,5-Dihydrothiophene,3-methyl;3-methyl-2,5-dihydro-thiophene;

Chemical Property of 3-methyl-2,5-dihydrothiophene

Chemical Property:

• Vapor Pressure: 8.78mmHg at 25°C
• Boiling Point: 137.3°C at 760 mmHg
• Flash Point: 32.3°C
• PSA: 25.30000
• Density: 1.007g/cm³
• LogP: 1.67950

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 3-methyl-2,5-dihydrothiophene

There total 4 articles about 3-methyl-2,5-dihydrothiophene 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: 100.0%

3-allylsulfanyl-2-methyl-propene (83044-85-3) → 3-methyl-2,5-dihydro-thiophene (42855-50-5) + ethene (74-85-1)

Guidance literature:

With tungsten; In octane; chlorobenzene; at 80 ℃; for 1h;

Reference yield:

3-Methylthiophene (616-44-4,84928-92-7) → 3-methyl-2,5-dihydro-thiophene (42855-50-5)

Guidance literature:

With methanol; ammonia; sodium;

DOI:10.1039/jr9510003411

Reference yield:

methanol (67-56-1) + 3-Methylthiophene (616-44-4,84928-92-7) + ammonia (7664-41-7) → 4-methyl-2,3-dihydro-thiophene (111669-51-3) + 3-methyl-2,5-dihydro-thiophene (42855-50-5)

Guidance literature:

DOI:10.1039/jr9510003411

upstream raw materials:

3-Methylthiophene

3-allylsulfanyl-2-methyl-propene

methanol

ammonia

Downstream raw materials:

3-methyl-2,5-dihydrothiophen-1,1-dioxide

Refernces