2,7-DITHIAOCTANE

Base Information

• Chemical Name: 2,7-DITHIAOCTANE
• CAS No.: 15394-33-9
• Molecular Formula: C6H14S2
• Molecular Weight: 150.309
• Mol file: 15394-33-9.mol

Synonyms:1,4-Bis(methylthio)butane;2,7-Dithiaoctane;NSC 60711;

Chemical Property of 2,7-DITHIAOCTANE

Chemical Property:

• Vapor Pressure: 0.287mmHg at 25°C
• Refractive Index: 1.501
• Boiling Point: 209.9 °C at 760 mmHg
• Flash Point: 75.3 °C
• PSA: 50.60000
• Density: 0.966 g/cm³
• LogP: 2.49260

Purity/Quality:

99% ^*data from raw suppliers

2,7-DITHIAOCTANE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,7-DITHIAOCTANE

There total 13 articles about 2,7-DITHIAOCTANE 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: 86.0%

1,4-dibromo-butane (110-52-1) + 2-methyl-2-thiopseudouronium sulfate → methyl 4-(methylsulfanyl)butyl sulfide (15394-33-9)

Guidance literature:

With potassium hydroxide; In methanol; for 2h; Heating;

DOI:10.1007/BF02495089

Reference yield: 63.0%

poly(tetramethylenedisulfide) + methyl iodide (74-88-4) → methyl 4-(methylsulfanyl)butyl sulfide (15394-33-9)

Guidance literature:

poly(tetramethylenedisulfide); With sodium hydroxide; hydrazine hydrate; In water; at 75 ℃; for 2h;

methyl iodide; In water; at 40 ℃;

Reference yield: 38.0%

methylthiol (74-93-1) + 1,4-dichlorobutane (110-56-5) → methyl 4-(methylsulfanyl)butyl sulfide (15394-33-9) + ω-chloro-1-methylsulfanylbutane (27160-24-3)

Guidance literature:

With sodium ethanolate; In ethanol; for 12h; Yield given; Ambient temperature;

DOI:10.1055/s-1987-28097

upstream raw materials:

1,4-Diiodobutane

sodium thiomethoxide

1,4-Butanedithiol

sodium ethanolate

Downstream raw materials:

butane-1,4-dimesylate

Refernces

• 1、 Matsuura, Hiroatsu,Matsumoto, Junichi,Murata, Hiromu. "Vibration spectroscopic study of CH3S(CH2)nSCH3 (n=3-5) as model compounds of polythioethers". . p. 291 - 298. Retrieved 1980.
• 2、 Shevchenko,Nenaidenko,Balenkova. "Synthetic potentialities of sulfonylsulfonium salts: A new approach to the preparation of disulfonium dications". . p. 1415 - 1420. Retrieved 2000.
• 3、 Smith, Keith,Tzimas, Michael. "New synthesis of unsymmetrical dithia compounds". . p. 2381 - 2382. Retrieved 2007/10/02.