Description

Potassium Thiosulfate is an inorganic salt widely recognized for its role as a sulfur source and reducing agent. This compound is valued for its stability and solubility, making it a versatile intermediate and reagent in various industrial and analytical processes. Key industries that utilize this material include agriculture, photography, and chemical synthesis.

Application

• As a sulfur and potassium fertilizer in agricultural formulations to correct nutrient deficiencies.
• As a key component in photographic fixing baths to dissolve unexposed silver halides.
• As a reducing agent in various chemical synthesis and industrial processes.
• In analytical chemistry for iodometric titrations and as a standard.
• In leather processing as a deliming and dehairing agent.
• For water treatment applications, including dechlorination.
• In pharmaceutical and cosmetic preparations as an antioxidant or stabilizer.
• As a laboratory reagent for educational and research purposes.

Basic Information

Product Name	Potassium Thiosulfate
CAS No.	10233-00-8
Molecular Formula	K2S2O3
Molecular Weight	190.32 g/mol
Synonyms	Potassium Hyposulfite; Dipotassium Thiosulfate; Thiosulfuric Acid, Dipotassium Salt; KTS; Potassium Thiosulphate; Sulfothiorine; UN 3077
EINECS	233-573-6

Quality Control

Our Potassium Thiosulfate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is available for every shipment to guarantee traceability and compliance with your requirements.

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 strong acids and oxidizing agents. The product is hygroscopic; ensure containers are sealed after use to minimize moisture absorption.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (K2S2O3)	≥ 98.0 %
pH (5% solution)	6.0 - 8.5
Water Insolubles	≤ 0.1 %
Chloride (as Cl)	≤ 0.05 %
Sulfate (as 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.