Description

Thiodiphosphoric Acid ((HO)2P(O)OP(S)(OH)2), Tetramethyl Ester (9Ci) is a specialized organophosphorus compound, also known as a thiophosphate ester. This chemical is valued for its role as a versatile intermediate and ligand in advanced synthesis and material science. It is primarily needed by researchers and industrial chemists in the agrochemical, pharmaceutical, and polymer industries for developing novel active ingredients and functional materials.

Application

• Key intermediate in the synthesis of novel agrochemicals, such as insecticides and herbicides.
• Precursor or ligand in the development of pharmaceutical active ingredients and metal-chelating agents.
• Building block for flame retardants and specialty additives in polymer formulations.
• Intermediate in lubricant and fuel additive research.
• Reagent in coordination chemistry and catalysis for organic transformations.
• Used in material science research for surface modification and functional coatings.

Basic Information

Product Name	Thiodiphosphoric Acid ((HO)2P(O)OP(S)(OH)2), Tetramethyl Ester (9Ci)
CAS No.	18764-12-0
Molecular Formula	C4H12O7P2S
Molecular Weight	266.15 g/mol
Synonyms	Tetramethyl Thiodiphosphate; Tetramethyl Dithiopyrophosphate; O,O,O',O'-Tetramethyl Phosphorothioate Pyrophosphate; Thiodiphosphoric Acid Tetramethyl Ester; Phosphorothioic Acid, O,O,O',O'-Tetramethyl Ester with Phosphoric Acid; Bis(O,O-dimethyl phosphorothioate) Oxide; CAS 18764-12-0
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. We provide comprehensive analytical data, including purity verification by chromatographic methods. Certificates of Analysis (COA) are available upon request to support your R&D and quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. Due to its properties as a strong acid/organic solvent and being easily oxidized, it is recommended to store under an inert atmosphere for long-term stability. Keep container tightly sealed when not in use.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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