Description

Trimethyl Thiophosphate is an organophosphorus compound with the CAS registry number 152-18-1, serving as a versatile chemical intermediate. Its primary value lies in its role as a key building block for synthesizing more complex organophosphorus derivatives, including pesticides and flame retardants. This product is essential for manufacturers and R&D laboratories in the agrochemical, pharmaceutical, and specialty chemical industries seeking reliable, high-purity intermediates.

Application

• Agrochemical Intermediate: A crucial precursor in the synthesis of organophosphate insecticides and acaricides.
• Flame Retardant Synthesis: Used in the production of phosphorus-based flame retardants for polymers and textiles.
• Pharmaceutical Building Block: Serves as an intermediate in the research and development of certain pharmaceutical compounds.
• Ligand and Catalyst Preparation: Employed in the synthesis of ligands for metal complexes and catalysts.
• Chemical Research & Development: A valuable reagent for exploring new organophosphorus chemistry and reaction pathways.
• Lubricant and Fuel Additive Component: Used in the formulation of specialty additives.

Basic Information

Product Name	Trimethyl Thiophosphate
CAS No.	152-18-1
Molecular Formula	C3H9O3PS
Molecular Weight	156.14 g/mol
Synonyms	Phosphorothioic Acid, O,O,O-Trimethyl Ester; Thiophosphoric Acid Trimethyl Ester; Trimethoxy Thiophosphate; TMP; O,O,O-Trimethyl Phosphorothioate; Trimethyl Phosphorothioate; NSC 8857
EINECS	205-796-1

Quality Control

Our Trimethyl Thiophosphate is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with industrial chemical standards, and we support our clients with the documentation necessary for their regulatory and internal quality audits.

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 organic solvents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption and volatilization.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.20 - 1.25
Refractive Index (20°C)	1.460 - 1.470

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