Description

Dithiophosphoric Acid S,S-Dimethyl o-Sodium Salt is a versatile organophosphorus compound widely utilized as a key intermediate and functional additive. This product is valued for its role in facilitating specific chemical transformations and imparting desired properties in advanced material formulations. It is primarily sought by manufacturers in the agrochemical, polymer, and specialty chemical synthesis sectors for applications requiring precise sulfur and phosphorus chemistry.

Application

• Agrochemical Intermediate: A critical building block in the synthesis of organophosphate insecticides, herbicides, and fungicides.
• Polymer Additive: Functions as a stabilizer, antioxidant, or chain-transfer agent in various polymer systems to enhance performance and longevity.
• Lubricant & Fuel Additive: Used as an anti-wear and extreme pressure (EP) additive in industrial lubricants and fuel formulations.
• Flotation Agent: Employed in mineral processing as a collector for sulfide ores due to its strong affinity for metal surfaces.
• Chemical Synthesis: Serves as a versatile reagent for introducing dithiophosphate groups into target molecules in pharmaceutical and fine chemical research.
• Corrosion Inhibitor: Provides protective properties in metalworking fluids and cooling water systems.

Basic Information

Product Name	Dithiophosphoric Acid S,S-Dimethyl o-Sodium Salt
CAS No.	31814-68-3
Molecular Formula	C2H6NaO2PS2
Molecular Weight	188.16 g/mol
Synonyms	Sodium O,O-Dimethyl Dithiophosphate; Sodium Dimethyl Dithiophosphate; Dimethyl Dithiophosphoric Acid Sodium Salt; Dithiophosphoric Acid O,O-Dimethyl Ester Sodium Salt; DTPNa; O,O-Dimethyl Phosphorodithioate Sodium Salt; Phosphorodithioic Acid, O,O-Dimethyl Ester, Sodium Salt
EINECS	250-822-1

Quality Control

Our Dithiophosphoric Acid S,S-Dimethyl o-Sodium Salt is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure consistency, purity, and compliance with agreed specifications. A Certificate of Analysis (COA) detailing key parameters such as assay, identity, and impurity profiles is provided with every shipment and is available upon request.

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); containers must be kept tightly sealed to prevent absorption of atmospheric moisture which may affect product quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0%
Water Content (KF)	≤ 2.0%
pH (10% solution)	7.0 - 10.0
Heavy Metals (as Pb)	≤ 20 ppm

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