Description

Sodium Thioantimonate is an inorganic chemical compound primarily utilized as a specialized reagent and intermediate in various industrial processes. Its core value lies in its role as a source of antimony and sulfur in specific chemical syntheses and surface treatment applications. This product is essential for manufacturers and R&D facilities in sectors such as specialty chemicals, glass manufacturing, and flame retardant production.

Application

• As a key intermediate in the synthesis of other antimony-based chemicals and complexes.
• In the glass industry for specialized formulations requiring specific optical or thermal properties.
• As a potential component in the formulation of certain flame retardant systems.
• For use in electroplating and metal surface treatment baths.
• As a reagent in analytical chemistry and laboratory research applications.
• In the production of pigments and ceramic glazes.

Basic Information

Product Name	Sodium Thioantimonate
CAS No.	13776-84-6
Molecular Formula	Na3SbS4·9H2O
Molecular Weight	481.13 g/mol (nonahydrate)
Synonyms	Sodium Tetrathioantimonate; Sodium Thioantimonate Nonahydrate; Sodium Antimony Sulfide; Antimony Sodium Sulfide; Sodium Antimonate Sulfide; Schlippe's Salt; Sodium Sulphantimonate; Sodium Antimony(3+) Tetrasulfide
EINECS	237-400-1

Quality Control

Our Sodium Thioantimonate is produced under strict quality management protocols to ensure batch-to-batch consistency and reliability. The product undergoes rigorous analytical testing, including assay and impurity profiling, to meet defined specifications. A Certificate of Analysis (COA) detailing purity, physical characteristics, and test results is provided with each shipment to guarantee compliance with your technical 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). This material is hygroscopic (moisture-sensitive) and should be kept in a dry environment to prevent caking or decomposition.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms
Assay (as Na3SbS4·9H2O)	≥ 98.0 %
Water Content (LOD)	Contact for details
Insoluble Matter	≤ 0.5 %
Heavy Metals (as Pb)	≤ 20 ppm

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