Description

Calcium Tetrathionate is an inorganic salt of tetrathionic acid, a member of the polythionate series. This compound is valued in research and industrial chemistry for its role as a sulfur donor and oxidizing agent in specialized synthetic pathways. It is primarily utilized by researchers in analytical chemistry, materials science, and as a precursor in the synthesis of other sulfur-containing compounds.

Application

• Analytical Chemistry Reagent: Used as a standard or reactant in titrimetric and colorimetric methods for the determination of various analytes.
• Chemical Synthesis: Serves as a source of tetrathionate anion for the preparation of other polythionate salts or coordination complexes.
• Biochemical Research: Employed in enzymatic studies and microbiological media, particularly in tests for bacterial hydrogen sulfide production.
• Electroplating & Surface Treatment: Investigated for use in specialized electroplating baths and surface modification processes.
• Laboratory Research: A key chemical for fundamental research in inorganic and sulfur chemistry.

Basic Information

Product Name	Calcium Tetrathionate
CAS No.	19188-83-1
Molecular Formula	CaS4O6 or CaO6S4
Molecular Weight	248.28 g/mol
Synonyms	Calcium tetrathionate; Tetrathionic acid, calcium salt; Calcium polythionate; Calcium (S-thiosulfato)thiosulfate; Calcium S-sulfosulfothiosulfate; Calcium S-sulfonatothiosulfate; Calcium thiosulfate sulfate
EINECS	Contact for details

Quality Control

Our Calcium Tetrathionate is produced and handled under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, impurity profile, and physical characteristics.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong acids and strong oxidizing agents. The product is hygroscopic (moisture-sensitive).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (Titration)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Chloride (Cl)	≤ 0.1%
Sulfate (SO4)	≤ 0.5%

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