Description

2,5-Dimercapto-1,3,4-Thiadiazole Dipotassium Salt is a versatile and highly effective sulfur-containing heterocyclic compound. It serves as a critical intermediate and functional additive in several high-performance industrial applications due to its unique chemical reactivity. This product is essential for manufacturers in the rubber, polymer, and specialty chemical industries seeking to enhance material properties and process efficiency.

Application

• Rubber Vulcanization Accelerator: Acts as a primary or secondary accelerator in the sulfur vulcanization of various elastomers, improving crosslinking efficiency and final product properties.
• Corrosion Inhibitor: Used in formulations for metalworking fluids, cooling water systems, and oilfield chemicals to protect ferrous and non-ferrous metals from corrosion.
• Polymer Stabilizer: Functions as a metal deactivator and antioxidant in plastics and synthetic fibers, preventing degradation caused by heat and metal ion catalysis.
• Electroplating Additive: Employed in electroplating baths, particularly for copper and its alloys, to brighten deposits and improve throwing power and leveling.
• Lubricant & Grease Additive: Enhances the extreme pressure (EP) and anti-wear performance of industrial lubricants and greases.
• Pharmaceutical & Agrochemical Intermediate: Serves as a key building block in the synthesis of certain bioactive molecules, including fungicides and pharmaceuticals.

Basic Information

Item	Detail
Product Name	2,5-Dimercapto-1,3,4-Thiadiazole Dipotassium Salt
CAS No.	4628-94-8
Molecular Formula	C2HN2S3K2
Molecular Weight	236.41 g/mol
Synonyms	Potassium 2,5-Dimercapto-1,3,4-thiadiazole; DMTD Dipotassium Salt; Bismuthiol I; 1,3,4-Thiadiazole-2,5-dithiol, dipotassium salt; 2,5-Dimercapto-1,3,4-thiadiazole potassium salt; Potassium Bismuthiolate; DMTD-K; Bismuthiol
EINECS	Contact for details

Quality Control

Our 2,5-Dimercapto-1,3,4-Thiadiazole Dipotassium Salt is manufactured under a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure consistent purity, identity, and performance. Certificates of Analysis (COA) detailing specific batch results are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be kept under dry conditions to prevent caking and degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear, complete solution

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.