Description

Monothiopyrophosphoric Acid CAS NO 68488-87-9 is a specialized organophosphorus compound characterized by its thiopyrophosphate structure. This chemical is valued for its unique reactivity, serving as a key intermediate and reagent in advanced synthetic chemistry and materials science. It is primarily utilized by research institutions and industrial manufacturers in the agrochemical, pharmaceutical, and specialty chemical sectors for developing novel compounds and functional materials.

Application

• Agrochemical Intermediate: A key building block in the synthesis of novel thiophosphate-based insecticides, herbicides, and plant growth regulators.
• Pharmaceutical Synthesis: Used as a specialized reagent for introducing thiopyrophosphate groups into potential drug candidates, particularly in nucleotide and prodrug research.
• Ligand and Catalyst Preparation: Serves as a precursor for creating complexing agents and ligands used in catalytic systems and metal extraction processes.
• Flame Retardant Development: Investigated as a component in the formulation of advanced, phosphorus-containing flame retardants for polymers and textiles.
• Chemical Research: Employed in academic and industrial R&D for studying reaction mechanisms and developing new organophosphorus chemistry.
• Surface Treatment Agent: Potential use in metal surface modification and corrosion inhibition formulations.

Basic Information

Product Name	Monothiopyrophosphoric Acid
CAS No.	68488-87-9
Molecular Formula	H4O6P2S
Molecular Weight	193.99 g/mol
Synonyms	Thiopyrophosphoric Acid; Dithiopyrophosphoric Acid (related); Monothiopyrophosphate; Phosphorothioic acid, P,P'-(thiodi-2,1-ethanediyl) ester; Acidothiopyrophosphoric; O,O'-Thiodiphosphoric Acid; P,P'-Thiodiphosphonic Acid (related structure); H4P2O6S
EINECS	Contact for details

Quality Control

Our Monothiopyrophosphoric Acid is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) that document key parameters such as assay, impurity profile, and physical characteristics, supporting compliance with research and industrial application requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic (moisture-sensitive) nature and strong acid properties, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent moisture absorption and decomposition. Store away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 1.0%
Related Impurities (HPLC)	≤ 3.0% total
Density (at 20°C)	~1.6 g/mL

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