Description

Dithiophosphoric Acid O,o-Dimethyl S-(4-Nitrobenzyl) Ester is a specialized organophosphorus compound with the CAS number 4156-42-7. This chemical is valued for its role as a key intermediate and functional additive in advanced chemical synthesis. It is primarily sought by industrial and research sectors involved in the development of agrochemicals, pharmaceuticals, and specialty materials. Its unique structure makes it a critical building block for creating compounds with specific biological or chemical activities.

Application

• Agrochemical Intermediate: A crucial precursor in the synthesis of novel insecticides, acaricides, and fungicides, leveraging its organothiophosphate backbone.
• Pharmaceutical Research: Used as a synthetic intermediate for developing active pharmaceutical ingredients (APIs) and probing biochemical pathways.
• Lubricant & Fuel Additive: Functions as an extreme pressure (EP) additive and anti-wear agent in advanced lubricant formulations and industrial fluids.
• Chemical Synthesis: Serves as a versatile building block for organic synthesis, particularly in introducing the dithiophosphate ester functional group.
• Polymer Modification: Employed as a modifier or cross-linking agent in the production of specialty polymers and resins.
• Corrosion Inhibition: Acts as a component in corrosion inhibitor formulations for metal treatment and protection processes.

Basic Information

Product Name	Dithiophosphoric Acid O,o-Dimethyl S-(4-Nitrobenzyl) Ester
CAS No.	4156-42-7
Molecular Formula	C9H12NO4PS2
Molecular Weight	293.30 g/mol
Synonyms	O,O-Dimethyl S-(4-Nitrobenzyl) Phosphorodithioate; S-(p-Nitrobenzyl) O,O-Dimethyl Phosphorodithioate; Phosphorodithioic Acid, O,O-Dimethyl Ester, S-Ester with 4-Nitrobenzyl Alcohol; Dimethyl (4-Nitrobenzylthio)thionophosphate; 4-Nitrobenzyl Dimethylphosphorodithioate; NSC 402108
EINECS	Contact for details

Quality Control

Our production of Dithiophosphoric Acid O,o-Dimethyl S-(4-Nitrobenzyl) Ester adheres to stringent quality protocols to ensure batch-to-batch consistency and purity. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment, ensuring full traceability and compliance with customer specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere.

Specification

Item	Specification
Appearance	Light yellow to amber liquid or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

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