Description

O,o-Bis(Methylphenyl) Hydrogen Dithiophosphate is an organophosphorus compound widely utilized as a high-performance intermediate and additive. Its primary value lies in its ability to act as a versatile ligand and a key building block for synthesizing specialized chemicals. This product is essential for manufacturers and R&D facilities in the agrochemical, lubricant additive, and polymer stabilization industries seeking to enhance product performance and develop novel materials.

Application

• Agrochemical Intermediate: A critical precursor in the synthesis of organophosphate insecticides and acaricides, contributing to their efficacy.
• Lubricant & Fuel Additive: Functions as an anti-wear and extreme pressure (EP) additive, improving the performance and longevity of industrial lubricants and metalworking fluids.
• Polymer Stabilizer: Acts as a secondary antioxidant and metal deactivator in plastics and synthetic rubbers to prevent thermal and oxidative degradation.
• Flotation Agent: Used in mineral processing as a collector for sulfide ores, aiding in the separation and recovery of valuable metals.
• Chemical Synthesis: Serves as a versatile ligand in coordination chemistry and a key intermediate for creating other functionalized organophosphorus compounds.
• Corrosion Inhibitor: Incorporated into formulations to protect metal surfaces in industrial cooling and process water systems.

Basic Information

Product Name	O,o-Bis(Methylphenyl) Hydrogen Dithiophosphate
CAS No.	27157-94-4
Molecular Formula	C14H15O2PS2
Molecular Weight	310.37 g/mol
Synonyms	Bis(o-methylphenyl) hydrogen dithiophosphate; O,O-Bis(2-methylphenyl) phosphorodithioic acid; Phosphorodithioic acid, O,O-bis(2-methylphenyl) ester; 2-Methylphenyl phosphorodithioate; (2-Methylphenoxy)phosphonodithioic acid O-(2-methylphenyl) ester; Dithiophosphoric acid O,O-bis(2-methylphenyl) ester; o-Cresyl dithiophosphate
EINECS	Contact for details

Quality Control

Our O,o-Bis(Methylphenyl) Hydrogen Dithiophosphate is manufactured under a stringent quality management system. Each batch undergoes rigorous analytical testing, including assay and impurity profile analysis, to ensure it meets precise specifications and consistent performance for industrial applications. A Certificate of Analysis (COA) detailing all quality parameters is provided with every shipment.

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 easily oxidized and should be kept under an inert atmosphere (e.g., nitrogen) for long-term storage to maintain stability and purity. Keep away from strong oxidizers and bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Acidity (Titration)	≤ 1.0%

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