Description

Potassium Thiosulfate Hydrate is an inorganic salt compound widely utilized in industrial and analytical chemistry. Its primary value lies in its role as a source of thiosulfate ions, which are effective reducing agents and complexing agents for heavy metals. This makes it a critical reagent for businesses in sectors such as photography, water treatment, and analytical laboratories. Global industries rely on consistent, high-quality supplies to ensure process stability and product integrity.

Application

• Photographic Fixing Agent: Used in photographic development processes to dissolve unexposed silver halides from film and paper.
• Water Treatment: Acts as a dechlorinating agent and can be used in the treatment of industrial wastewater to neutralize chlorine and chloramines.
• Analytical Chemistry: Serves as a titrant in iodometric titrations for the quantitative analysis of oxidizing agents.
• Leather Processing: Employed in the tanning industry to help stabilize chromium and improve leather quality.
• Electroplating: Used in specific plating baths as a complexing agent for metal ions.
• Pharmaceutical Synthesis: Can function as a sulfur source or reducing agent in certain synthetic pathways for active pharmaceutical ingredients (APIs).
• Agriculture (Specialized): Investigated for use as a fertilizer component or soil amendment in specific nutrient management programs.

Basic Information

Product Name	Potassium Thiosulfate Hydrate
CAS No.	13446-67-8
Molecular Formula	K₂S₂O₃·xH₂O
Molecular Weight	Contact for details (varies with hydration)
Synonyms	Potassium hyposulfite; Potassium thiosulphate hydrate; Dipotassium thiosulfate hydrate; Thiosulfuric acid, dipotassium salt, hydrate; KTS; Sulfothiorine
EINECS	Contact for details

Quality Control

Our Potassium Thiosulfate Hydrate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. We provide Certificates of Analysis (COA) with key parameters such as assay, impurity profile, and loss on drying, ensuring full traceability and compliance with your procurement standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can lead to caking or degradation. Keep away from strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	White crystalline powder or crystals
Identification (IR)	Conforms
Assay (K₂S₂O₃)	≥ 98.0 %
Loss on Drying	Contact for details
Water Insoluble Matter	≤ 0.1 %
Chloride (Cl)	≤ 0.01 %
Sulfate (SO₄)	≤ 0.1 %
Heavy Metals (as Pb)	≤ 10 ppm

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