Description

Sodium Dithiophosphate Tribasic Hydrated is a specialized inorganic salt widely utilized for its unique thiophosphate chemistry. This compound is valued for its role as a versatile intermediate and additive in several high-value industrial processes. Key industries that rely on this chemical include mineral processing, specialty chemical synthesis, and water treatment. Its hydrated form ensures consistent handling and reactivity in formulated applications.

Application

• Mineral Processing: Acts as a selective flotation collector and depressant agent for sulfide ores.
• Corrosion Inhibition: Used in formulations for cooling water systems and metalworking fluids.
• Chemical Synthesis: Serves as a key intermediate in the production of organophosphorus compounds and pesticides.
• Water Treatment: Functions as a precipitating agent for heavy metal removal in wastewater.
• Lubricant Additive: Imparts extreme pressure (EP) and anti-wear properties in industrial lubricants.
• Polymer Stabilizer: Used as a secondary stabilizer in certain polymer systems.

Basic Information

Product Name	Sodium Dithiophosphate Tribasic Hydrated
CAS No.	13473-25-1
Molecular Formula	Na3PS2O2 · xH2O
Molecular Weight	216.09 g/mol (Anhydrous basis)
Synonyms	Trisodium Dithiophosphate Hydrate; Sodium Thiophosphate; Trisodium Phosphorodithioate; Phosphorodithioic Acid, Trisodium Salt, Hydrate; Dithiophosphoric Acid Trisodium Salt; Na3PS2O2; Flotation Agent SP
EINECS	Contact for details

Quality Control

Our Sodium Dithiophosphate Tribasic Hydrated is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise chemical and physical specifications. Certificates of Analysis (COA) documenting purity, assay, and impurity profiles are provided with every shipment to guarantee supply reliability and batch-to-batch consistency for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent caking and degradation. Keep away from strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (Titration)	≥ 95.0%
Water Content (KF)	≤ 5.0%
pH (5% Solution)	9.0 - 11.0
Heavy Metals (as Pb)	≤ 20 ppm

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