Description

O,O,S-Trimethyldithiophosphate is an organophosphorus compound with the CAS number 2953-29-9, primarily utilized as a key intermediate in chemical synthesis. Its value lies in its role as a versatile building block for the production of more complex molecules, particularly in the agrochemical sector. This product is essential for manufacturers and R&D facilities focused on developing insecticides, acaricides, and other specialized fine chemicals.

Application

• Agrochemical Intermediate: A critical precursor in the synthesis of organophosphate insecticides and acaricides.
• Chemical Synthesis: Serves as a versatile building block for creating sulfur- and phosphorus-containing compounds in research and development.
• Flame Retardant Production: Used in the manufacture of certain phosphorus-based flame retardant additives.
• Lubricant Additive Synthesis: Acts as an intermediate for creating extreme pressure (EP) and anti-wear additives.
• Pharmaceutical Intermediate: Employed in the research and synthesis of specific active pharmaceutical ingredients (APIs).
• Vulcanization Agent: Used in the production of certain rubber and polymer accelerators.

Basic Information

Product Name	O,O,S-Trimethyldithiophosphate
CAS No.	2953-29-9
Molecular Formula	C3H9O2PS2
Molecular Weight	172.20 g/mol
Synonyms	O,O,S-Trimethyl phosphorodithioate; Trimethyl phosphorodithioate; Phosphorodithioic acid, O,O,S-trimethyl ester; S-Methyl O,O-dimethyl phosphorodithioate; O,O-Dimethyl S-methyl phosphorodithioate; NSC 402108; CAS 2953-29-9
EINECS	220-973-9

Quality Control

Our O,O,S-Trimethyldithiophosphate is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from strong bases, oxidizing agents, and incompatible organic solvents. Due to its volatile nature, keep containers tightly sealed when not in use. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Report and comply
Specific Gravity (20°C)	1.20 - 1.25

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