For any chemist or procurement specialist involved in synthesizing herbicides, pharmaceuticals, or other specialty chemicals, a thorough understanding of the raw materials is essential. 5-Amino-1,3,4-thiadiazole-2-thiol (CAS: 2349-67-9) is a compound whose properties directly influence its utility and the quality of downstream products. When planning to buy this chemical, discerning its characteristics and purity is a critical first step.

Physically, 5-Amino-1,3,4-thiadiazole-2-thiol typically presents as a white to light yellow crystalline powder. This appearance is a key indicator for procurement professionals. Its melting point, generally reported in the range of 235-243°C, signifies its stability and the conditions under which it can be processed. These physical attributes are standard specifications that suppliers should readily provide, often detailed in their product data sheets or Certificates of Analysis.

Chemically, this thiadiazole derivative is valued for its functional groups, which enable a wide array of synthetic transformations. Its role as an intermediate in herbicide synthesis and its importance in the preparation of carbonic anhydrase inhibitors highlight its chemical versatility. For example, its use as Acetazolamide EP Impurity G underscores its relevance in pharmaceutical quality control and synthesis.

Crucially, the purity of 5-Amino-1,3,4-thiadiazole-2-thiol is a non-negotiable aspect for many applications. Reputable manufacturers and suppliers typically offer this compound with a purity of ≥98.0% as determined by High-Performance Liquid Chromatography (HPLC). This high level of purity is vital for ensuring predictable reaction outcomes, minimizing by-product formation, and meeting the stringent requirements of the pharmaceutical industry. When inquiring about purchasing this chemical, always request the HPLC purity data.

When sourcing 5-Amino-1,3,4-thiadiazole-2-thiol, particularly from international markets like China, engaging with suppliers who can provide comprehensive property data and purity certifications is paramount. This diligence ensures that you are acquiring a material that meets your exact needs, whether for advanced agrochemical formulations or critical pharmaceutical manufacturing processes. Understanding these properties empowers you to make informed purchasing decisions and secure a dependable supply chain for this valuable chemical intermediate.