4628-94-8

Basic information

• Product Name: 2,5-DIMERCAPTO-1,3,4-THIADIAZOLE DIPOTASSIUM SALT
• Synonyms: BISMUTHTHIOL I;BISMUTHTHIOL I, DIPOTASSIUM SALT;BISMUTHIOL I DIPOTASSIUM SALT;2,5-DIMERCAPTO-1,3,4-THIADIAZOLE DIPOTASSIUM SALT;1,3,4-THIADIAZOLE-2,5-DITHIOL, DIPOTASSIUM SALT;1,3,4-thiadiazolidine-2,5-dithione,dipotassiumsalt;Methyl 3,4-Methylenedioxy-5-Methoxybenzoate;dipotassium 1,3,4-thiadiazole-2,5-dithiolate
• CAS NO: 4628-94-8
• Molecular Formula: C₂N₂S₃*2K
• Molecular Weight: 226.43
• EINECS: 225-043-4
• Product Categories: API intermediates;chemical additive;organic intermediate;pharmaceutical intermediate
• Mol File: 4628-94-8.mol
• Article Data: 2

Chemical Properties

• Melting Point: 274-276 °C (dec.)(lit.)
• Boiling Point: 259.6°C at 760 mmHg
• Flash Point: 110.8°C
• Appearance: /solid
• Vapor Pressure: 0.0208mmHg at 25°C
• Water Solubility: Insoluble in water.
• BRN: 4917786
• CAS DataBase Reference: 2,5-DIMERCAPTO-1,3,4-THIADIAZOLE DIPOTASSIUM SALT(CAS DataBase Reference)
• NIST Chemistry Reference: 2,5-DIMERCAPTO-1,3,4-THIADIAZOLE DIPOTASSIUM SALT(4628-94-8)
• EPA Substance Registry System: 2,5-DIMERCAPTO-1,3,4-THIADIAZOLE DIPOTASSIUM SALT(4628-94-8)

Safety Data

• Safety Statements: 24/25
• WGK Germany: 3
• TSCA: Yes
• Hazardous Substances Data: 4628-94-8(Hazardous Substances Data)

Usage

Description

2,5-DIMERCAPTO-1,3,4-THIADIAZOLE DIPOTASSIUM SALT, also known as Bismuthiol I, is a chemical compound belonging to the thiadiazole family. It is characterized by the presence of two thiol groups and a dipotassium salt form, which gives it unique properties and potential applications in various fields.

Uses

Used in Pharmaceutical Industry:
2,5-DIMERCAPTO-1,3,4-THIADIAZOLE DIPOTASSIUM SALT is used as a pharmaceutical intermediate for the synthesis of various drugs, particularly those with potential therapeutic applications.
Used in Analytical Chemistry:
In the field of analytical chemistry, 2,5-DIMERCAPTO-1,3,4-THIADIAZOLE DIPOTASSIUM SALT is used as a reagent for the determination of tellurium in indium phosphide doped with cadmium telluride by electrothermal atomic absorption spectrometry.
Used in Environmental Remediation:
2,5-DIMERCAPTO-1,3,4-THIADIAZOLE DIPOTASSIUM SALT is used as a metal-chelating agent for the treatment of metal-polluted water. Its ability to form polymers with metals makes it a promising candidate for environmental remediation and waste management applications.

Purification Methods

Usually contaminated with disulfide. Purify it by recrystallisation from EtOH. It is a reagent for the detection of Bi, Cu, Pb and Sb. [Najumdar & Chacraborty Anal Chim Acta 19 372 1958, Fries Z Anal Chem 165 100, 1959, Beilstein 27 IV 7725.]

InChI:InChI=1/C2H2N2S3/c5-1-3-4-2(6)7-1/h(H,3,5)(H,4,6)/p-2

Upstream product

• 75-15-0 carbon disulfide 
• 1072-71-5 2,5-Dimercapto-1,3,4-thiadiazole 

Downstream Products

• 37147-15-2 5-ethylsulfanyl-3H-[1,3,4]thiadiazole-2-thione 
• 116672-23-2 Bis<2-phenyl-4-(trifluormethyl)-5-oxazolyl>sulfid 
• 116672-24-3 2,5-Bis<2-phenyl-4-(trifluormethyl)-5-oxazolylthio>-1,3,4-thiadiazol 
• 108345-12-6 2,5-Bis-(2-methoxy-ethylsulfanyl)-[1,3,4]thiadiazole 
• 105785-00-0 C₁₀H₁₀N₆S₉ 
• 79236-82-1 2,5-bis(2,4-dinitrophenylthio)-1,3,4-thiadiazole 

Relevant articles and documents

2,5-DIMERCAPTO-1,3,4-THIADIAZOLE ( DMTD ) METAL SALT DERIVATIVES

The disclosed technology relates to 2,5-dimercapto-1,3,4-thiadiazole metal salts and electrolytes therewith for use in redox flow batteries.