Description

Phosphonothioic Acid, Ethyl-, o-(2-Chloroethyl) Ester, o-Ester With p- Hydroxybenzonitrile CAS NO 19133-28-9 is a specialized organophosphorus compound that serves as a critical intermediate in advanced chemical synthesis. Its unique molecular structure, featuring both phosphonothioic ester and cyano-phenoxy moieties, makes it a valuable building block for creating complex molecules with specific biological or material properties. This high-purity intermediate is primarily sought by research institutions and industrial manufacturers in the agrochemical and pharmaceutical sectors for the development of novel active ingredients and functional materials.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of novel insecticides, herbicides, and plant growth regulators, leveraging its organophosphorus backbone.
• Pharmaceutical Research: Used as a sophisticated building block in medicinal chemistry for developing potential drug candidates and bioactive molecules.
• Chemical Synthesis: Serves as a versatile intermediate for creating complex ligands, catalysts, and specialty chemicals in organic and organometallic chemistry.
• Material Science: Potential use in the development of advanced polymers or functional materials where specific phosphorus-containing groups are required.
• Life Science Research: Employed in biochemical and pharmacological studies as a tool compound to investigate enzyme inhibition or signal transduction pathways.

Basic Information

Product Name	Phosphonothioic Acid, Ethyl-, o-(2-Chloroethyl) Ester, o-Ester With p- Hydroxybenzonitrile
CAS No.	19133-28-9
Molecular Formula	C11H13ClNO3PS
Molecular Weight	305.72 g/mol
Synonyms	Ethyl (2-chloroethoxy)(4-cyanophenoxy)phosphinothioate; O-(2-Chloroethyl) O-(4-cyanophenyl) ethylphosphonothioate; Phosphonothioic acid, ethyl-, O-(2-chloroethyl) O-(4-cyanophenyl) ester; 4-Cyanophenyl O-(2-chloroethyl) ethylphosphonothioate; Ethylphosphonothioic acid O-(2-chloroethyl) O-(4-cyanophenyl) ester; NSC 324088; ENT 27967
EINECS	Contact for details

Quality Control

Our production of Phosphonothioic Acid, Ethyl-, o-(2-Chloroethyl) Ester, o-Ester With p- Hydroxybenzonitrile adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for sensitive synthetic applications. Each lot is characterized using advanced analytical techniques including NMR, HPLC, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment, supporting your R&D and scale-up activities.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. Due to the presence of hydrolyzable functional groups, protect from moisture and incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Typical 97-99%)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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