4,5-ETHYLENEDITHIO-1,3-DITHIOL-2-ONE

Base Information

• Chemical Name: 4,5-ETHYLENEDITHIO-1,3-DITHIOL-2-ONE
• CAS No.: 74962-29-1
• Molecular Formula: C5H4OS4
• Molecular Weight: 208.35
• Hs Code.: 2934999090
• Mol file: 74962-29-1.mol

Synonyms:5,6-Dihydro-1,3-dithiolo[4,5-b][1,4]dithiin-2-one;ethylenedithiodithiolone;RARECHEM AR PA 0060;4,5-ETHYLENEDITHIO-1,3-DITHIOL-2-ONE;4,5-ETHYLENEDITHIO-1,3-DITHIOLE-2-ONE;4,5-ETHYLENEDITHIO-1,3-DITHIOL-2-ONE 97%

Chemical Property of 4,5-ETHYLENEDITHIO-1,3-DITHIOL-2-ONE

Chemical Property:

• Vapor Pressure: 2.82E-05mmHg at 25°C
• Melting Point: 128-132 °C(lit.)
• Refractive Index: 1.825
• Boiling Point: 357°C at 760 mmHg
• Flash Point: 169.4°C
• PSA: 124.15000
• Density: 1.72g/cm³
• LogP: 2.36760

Purity/Quality:

97% ^*data from raw suppliers

4,5-Ethylenedithio-1,3-dithiol-2-one ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4,5-ETHYLENEDITHIO-1,3-DITHIOL-2-ONE

There total 3 articles about 4,5-ETHYLENEDITHIO-1,3-DITHIOL-2-ONE 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%

4,5-Ethylenedithio-1,3-dithiole-2-thione (59089-89-3) → 2,5,7,9-tetrathiabicyclo[4.3.0]non-1(6)-en-8-one (74962-29-1)

Guidance literature:

With mercury(II) diacetate; In chloroform; acetic acid; for 0.333333h; Ambient temperature;

DOI:10.1055/s-1987-28095

Reference yield: 45.0%

2,5-diketo-1,3,4,6-tetrathiapentalene (64394-45-2) + ethylene dibromide (106-93-4) → 2,5,7,9-tetrathiabicyclo[4.3.0]non-1(6)-en-8-one (74962-29-1)

Guidance literature:

With sodium carbonate; Aliquat 336; In water; toluene; at 35 ℃; for 2h;

Reference yield:

2-Oxo-3-(i-propoxythiocarbonylthio)-1,4-dithiane (120627-40-9) → 2,5,7,9-tetrathiabicyclo[4.3.0]non-1(6)-en-8-one (74962-29-1)

Guidance literature:

With sulfuric acid; at 0 ℃; for 2h; Yield given;

DOI:10.1055/s-1989-27175

upstream raw materials:

4,5-Ethylenedithio-1,3-dithiole-2-thione

2-Oxo-3-(i-propoxythiocarbonylthio)-1,4-dithiane

2,5-diketo-1,3,4,6-tetrathiapentalene

ethylene dibromide

Downstream raw materials:

bis(ethylenedithio)tetrathiofulvalene

bis(propylenedithio)tetrathiafulvalene

3,4-ethylenedithio-3',4'-propylenedithio-2,2',5,5'-tetrathiafulvalene

bis(ethylenedioxy)tetrathiafulvalene