Description

o-Methyl Malathion β-Monoacid CAS NO 55733-40-9 is a key organic intermediate and metabolite in the synthesis and environmental degradation pathway of the broad-spectrum organophosphate insecticide, Malathion. This compound is critical for research and development in agrochemicals, enabling the study of metabolic pathways, environmental fate, and the synthesis of novel derivatives. It is primarily utilized by agrochemical manufacturers, analytical and environmental testing laboratories, and academic research institutions focused on pesticide chemistry and toxicology.

Application

• Agrochemical Intermediate: A crucial building block in the synthesis and research of Malathion and related organophosphate insecticides.
• Metabolite Standard: Used as an analytical reference standard in environmental and biological monitoring to detect and quantify Malathion degradation products.
• Toxicology Research: Essential for studies investigating the metabolic breakdown, environmental persistence, and toxicological profile of Malathion.
• Process Chemistry: Employed in the development and optimization of synthetic routes for organophosphate compounds in R&D settings.
• Quality Control: Serves as a purity standard for the analysis and quality assurance of technical-grade Malathion and its formulations.

Basic Information

Product Name	o-Methyl Malathion β-Monoacid
CAS No.	55733-40-9
Molecular Formula	C6H11O6PS2
Molecular Weight	274.25 g/mol
Synonyms	Malathion monocarboxylic acid; O,O-Dimethyl phosphorodithioate S-ester with 2-mercaptosuccinic acid monoethyl ester; 2-[(Dimethoxyphosphorothioyl)thio]butanedioic acid monoethyl ester; Malathion α-monoacid (isomer); Maloxon monoacid; Mercaptosuccinic acid monoethyl ester O,O-dimethyl phosphorodithioate; S-[1,2-Bis(ethoxycarbonyl)ethyl] O,O-dimethyl phosphorodithioate (related); Malathion metabolite
EINECS	Contact for details

Quality Control

Our o-Methyl Malathion β-Monoacid is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity suitable for research and synthesis. Each lot is characterized using advanced analytical techniques including HPLC, GC-MS, and NMR to confirm identity and purity. Certificates of Analysis (COA) detailing specific test results are provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its nature as an organophosphate derivative, store separately from strong oxidizers, bases, and foodstuffs.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%
Water Content (KF)	≤ 0.5%

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