Description

Phenyl-Phosphonothioic Acid Propyl Ester is an organophosphorus compound that serves as a versatile intermediate in advanced chemical synthesis. Its unique thiophosphonate ester structure makes it valuable for introducing specific functional groups and modifying material properties. This chemical is primarily utilized by R&D laboratories and industrial manufacturers in the agrochemical, pharmaceutical, and polymer sectors for developing novel active ingredients and specialty additives.

Application

• Key intermediate in the synthesis of organophosphorus agrochemicals, such as insecticides and herbicides.
• Building block for pharmaceutical research, particularly in developing prodrugs or enzyme inhibitors.
• Precursor for flame retardants and plasticizers in polymer and material science applications.
• Ligand or modifier in catalytic systems and metal extraction processes.
• Intermediate for producing specialty surfactants and lubricant additives.
• Research chemical for studying phosphorylation and thiophosphorylation reactions in organic chemistry.

Basic Information

Product Name	Phenyl-Phosphonothioic Acid Propyl Ester
CAS No.	53121-59-8
Molecular Formula	C9H13O2PS
Molecular Weight	216.24 g/mol
Synonyms	Propyl Phenylphosphonothioate; Phenylphosphonothioic Acid O-Propyl Ester; O-Propyl Phenylphosphonothioate; Phenyl Thiophosphonic Acid Propyl Ester; Phosphonothioic acid, Phenyl-, Propyl Ester; Phenyl-propyl-phosphonothioate; Phenylphosphonothioate Propyl Ester
EINECS	Contact for details

Quality Control

Our Phenyl-Phosphonothioic Acid Propyl Ester is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.15 - 1.20
Refractive Index (20°C)	1.520 - 1.540

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