Description

Methyldithiophosphonous Acid Dipropyl Ester is an organophosphorus chemical intermediate of significant industrial importance. This compound serves as a critical building block in the synthesis of specialized agrochemicals and performance chemicals. It is primarily sought by manufacturers in the crop protection and specialty chemical sectors for developing advanced formulations.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of organophosphorus insecticides, herbicides, and fungicides.
• Chemical Synthesis: Used as a versatile reagent for introducing the dithiophosphonate functional group into target molecules.
• Lubricant & Fuel Additive Component: Employed in the formulation of extreme-pressure additives and anti-wear agents.
• Polymer Modification: Acts as a modifier or cross-linking agent in certain polymer systems to enhance specific properties.
• Flotation Agent: Used in mineral processing as a collector for specific metal ores.
• Research & Development: Serves as a valuable intermediate for pharmaceutical and material science research.

Basic Information

Product Name	Methyldithiophosphonous Acid Dipropyl Ester
CAS No.	999-34-8
Molecular Formula	C7H17OPS2
Molecular Weight	212.31 g/mol
Synonyms	Dipropyl Methylphosphonodithioate; O,O-Dipropyl Methylphosphonodithioate; Methylphosphonodithioic Acid O,O-Dipropyl Ester; Phosphonodithioic Acid, Methyl-, O,O-Dipropyl Ester; NSC 168950; Methyldithiophosphonic Acid Dipropyl Ester
EINECS	Contact for details

Quality Control

Our Methyldithiophosphonous Acid Dipropyl Ester is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including assay by GC or HPLC and identity confirmation by IR/NMR, to ensure it meets precise specifications for purity and consistency. Certificates of Analysis (COA) are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.10 - 1.15
Refractive Index (20°C)	1.520 - 1.530

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