2,5-DIMERCAPTO-1,3,4-THIADIAZOLE DIPOTASSIUM SALT

Base Information

• Chemical Name: 2,5-DIMERCAPTO-1,3,4-THIADIAZOLE DIPOTASSIUM SALT
• CAS No.: 4628-94-8
• Molecular Formula: C2H2N2S3.2K
• Molecular Weight: 226.43
• Hs Code.: 29349990
• Mol file: 4628-94-8.mol

Synonyms:1,3,4-Thiadiazole-2,5-dithiol,dipotassium salt (8CI);1,3,4-Thiadiazolidine-2,5-dithione, dipotassium salt(9CI);1,3,4-Thiadiazole-2,5-di(potassiomercaptide);2,5-Dimercapto-1,3,4-thiadiazole dipotassium salt;Dipotassium1,3,4-thiadiazole-2,5-dithiolate;K bismuthiol;

Chemical Property of 2,5-DIMERCAPTO-1,3,4-THIADIAZOLE DIPOTASSIUM SALT

Chemical Property:

• Appearance/Colour: white to light beige crystalline chunks or powder
• Vapor Pressure: 0.0208mmHg at 25°C
• Melting Point: 274-276 °C (dec.)(lit.)
• Boiling Point: 259.6°C at 760 mmHg
• Flash Point: 110.8°C
• PSA: 104.62000
• LogP: 1.65090
• Water Solubility.: Insoluble in water.

Purity/Quality:

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

1,3,4-Thiadiazole-2,5-dithiol dipotassium salt 98% ^*data from reagent suppliers

Safty Information:

• Safety Statements: 24/25

MSDS Files:

SDS file from LookChem

Useful:

• Uses: thiadiazole pharmaceutical intermediate 1,3,4-thiadiazole-2,5-dithiol (Bismuthiol I) was used in determination of tellurium in indium phosphide doped with cadmium telluride by electro thermal atomic absorption spectrometry. It forms polymers with metals and can be useful in treatment of metal-polluted water.

Technology Process of 2,5-DIMERCAPTO-1,3,4-THIADIAZOLE DIPOTASSIUM SALT

There total 2 articles about 2,5-DIMERCAPTO-1,3,4-THIADIAZOLE DIPOTASSIUM SALT 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: 65.0%

carbon disulfide (75-15-0,12122-00-8) → 2,5-dimercapto-1,3,4-thiadiazole dipotassium salt (4628-94-8)

Guidance literature:

With 2-(2-fluoro-[1,1′-biphenyl]-4-yl)propanehydrazide; potassium hydroxide; at 20 ℃; for 12h; Cooling with ice;

Reference yield:

2,5-Dimercapto-1,3,4-thiadiazole (1072-71-5,132120-63-9) → 2,5-dimercapto-1,3,4-thiadiazole dipotassium salt (4628-94-8)

Guidance literature:

With potassium hydroxide; In water monomer; at 75 ℃; for 5h; Reagent/catalyst; Temperature; Solvent;

Reference yield: 95.0%

(triphenylphosphine)gold(I) chloride (14243-64-2) + 2,5-dimercapto-1,3,4-thiadiazole dipotassium salt (4628-94-8) → [(Ph3P)Au]2(2,5-dimercapto-1,3,4-thiadiazole)

Guidance literature:

In methanol; dichloromethane; byproducts: KCl; soln. 2,5-dimercapto-1,3,4-thiadiazole dipotassium salt in MeOH was added dropwise to stirred soln. (Ph3PAuCl) in CH2Cl2 and stirred for 2 h; solvent was removed under vac., residue was dissolved in CH2Cl2 and filtered, pentane was added; elem. anal.;

DOI:10.1021/ic001345l

upstream raw materials:

carbon disulfide

2,5-Dimercapto-1,3,4-thiadiazole

Downstream raw materials:

5-ethylsulfanyl-3H-[1,3,4]thiadiazole-2-thione

Bis<2-phenyl-4-(trifluormethyl)-5-oxazolyl>sulfid

2,5-Bis<2-phenyl-4-(trifluormethyl)-5-oxazolylthio>-1,3,4-thiadiazol

2,5-Bis-(2-methoxy-ethylsulfanyl)-[1,3,4]thiadiazole

Refernces

• 1、 Abbas, Saghir,Sohail, Manzar,Nadeem, Muhammad Arif,Zaidi, Javaid Hussain,Ali, Saqib. "Formulation of an unprecedented potassium thiadiazolate framework via in-situ ligand synthesis". . p. 437 - 443. Retrieved 2019/09/18.