Description

o-Methyl Malathion α-Monoacid CAS NO 91485-13-1 is a key chemical intermediate primarily used in the synthesis of organophosphate compounds. This compound is valued for its role in producing specialized agrochemicals and other fine chemicals where precise molecular structure is critical. It is essential for manufacturers and R&D facilities in the agrochemical, pharmaceutical, and specialty chemical sectors requiring high-purity intermediates for synthesis and process development.

Application

• Agrochemical Intermediate: A crucial building block in the synthesis of advanced insecticides and pesticides.
• Chemical Synthesis: Serves as a key precursor in the production of organophosphate derivatives for various industrial applications.
• Research & Development: Used in laboratory settings for method development and the study of organophosphate chemistry and degradation pathways.
• Pharmaceutical Intermediates: Potential use in the synthesis of active pharmaceutical ingredients (APIs) requiring specific organophosphate motifs.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals where high purity and specific functional groups are required.

Basic Information

Product Name	o-Methyl Malathion α-Monoacid
CAS No.	91485-13-1
Molecular Formula	C6H11O6PS2
Molecular Weight	274.25 g/mol
Synonyms	Malathion α-monoacid methyl ester; O,O-Dimethyl S-[1,2-bis(ethoxycarbonyl)ethyl] phosphorodithioate α-monoacid; Malathion monoacid methyl ester; (Dimethoxyphosphinothioylthio)succinic acid diethyl ester methyl ester; 2-[(Dimethoxyphosphorothioyl)thio]butanedioic acid diethyl methyl ester; α-Monoacid methyl ester of malathion
EINECS	Contact for details

Quality Control

Our o-Methyl Malathion α-Monoacid is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for use as a synthesis intermediate. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is moisture-sensitive; ensure containers are kept tightly sealed to prevent degradation.

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.