Description

o-(2,5-Dichloro-4-Bromophenyl)o-Ethylphenylphosphonothionate is a specialized organophosphorus compound with a complex halogenated aromatic structure. This chemical serves as a critical advanced intermediate in the synthesis of high-value agrochemicals and pharmaceuticals, where its unique molecular framework enables precise activity. It is primarily required by research institutions and industrial manufacturers engaged in the development of novel crop protection agents and bioactive molecules.

Application

• Agrochemical Intermediate: A key building block for the synthesis of novel insecticides and acaricides targeting resistant pest strains.
• Pharmaceutical Research: Used in medicinal chemistry as a precursor for developing enzyme inhibitors and other pharmacologically active compounds.
• Chemical Synthesis: Serves as a versatile intermediate in organic synthesis for introducing the phosphonothionate moiety into complex molecules.
• Material Science: Potential application in the development of specialized ligands for catalysis or functional materials.

Basic Information

Product Name	o-(2,5-Dichloro-4-Bromophenyl)o-Ethylphenylphosphonothionate
CAS No.	18936-66-8
Molecular Formula	C14H12BrCl2O2PS
Molecular Weight	434.09 g/mol
Synonyms	O-Ethyl O-(2,5-dichloro-4-bromophenyl) phenylphosphonothioate; Phenylphosphonothioic acid O-ethyl O-(2,5-dichloro-4-bromophenyl) ester; 2,5-Dichloro-4-bromophenyl ethyl phenylphosphonothionate; Ethyl 2,5-dichloro-4-bromophenyl phenylphosphonothionate; NSC 334319; Phosphonothioic acid, phenyl-, O-ethyl O-(2,5-dichloro-4-bromophenyl) ester
EINECS	Contact for details

Quality Control

Our production of o-(2,5-Dichloro-4-Bromophenyl)o-Ethylphenylphosphonothionate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure consistency and meet precise customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This compound is easily oxidized (store under inert atmosphere) and is soluble in strong acid/organic solvent. Keep away from heat, sparks, and open flames. Isolate from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.