Description

Bismuthiol(Ii) Hydrate is a specialized organosulfur compound primarily used as a complexing agent and analytical reagent. Its value lies in its selective chelating properties for various metal ions, making it a critical tool for precise chemical analysis and synthesis. This product is essential for professionals in analytical chemistry, pharmaceutical research, and industrial process control who require high-purity reagents for trace metal detection and separation.

Application

• Analytical Chemistry: Used as a sensitive colorimetric and gravimetric reagent for the detection and quantification of specific metal ions like bismuth, lead, and palladium.
• Pharmaceutical Intermediates: Serves as a key building block or catalyst in the synthesis of certain pharmaceutical compounds and diagnostic agents.
• Research & Development: Employed in laboratory research for studying metal-ligand interactions, developing new analytical methods, and material science.
• Industrial Process Control: Applied in monitoring and controlling trace metal impurities in chemical manufacturing streams and final products.
• Water Treatment Analysis: Utilized in environmental testing kits and procedures for detecting heavy metal contamination in water samples.

Basic Information

Product Name	Bismuthiol(Ii) Hydrate
CAS No.	6336-51-2
Molecular Formula	C7H7N3OS2 • xH2O
Molecular Weight	213.28 g/mol (anhydrous basis)
Synonyms	2,5-Dimercapto-1,3,4-thiadiazole; Bismuthiol II; DMTD; 1,3,4-Thiadiazole-2,5-dithiol; 2,5-Dimercapto-1,3,4-thiadiazole monohydrate; Bismuthon II; 5-Mercapto-1,3,4-thiadiazole-2-thione; Lead reagent
EINECS	228-718-8

Quality Control

Our Bismuthiol(Ii) Hydrate is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling, to ensure it meets the high standards required for research and industrial applications. A Certificate of Analysis (COA) detailing specific test results is provided with every shipment to guarantee traceability and consistent quality.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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