Description

Methaneseleninic Acid CAS NO 28274-57-9 is an organoselenium compound of significant interest in synthetic and pharmaceutical chemistry. It serves as a versatile reagent and intermediate, valued for its unique reactivity profile as a selenium-based electrophile and oxidizing agent. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors, where it is used to introduce selenium functionalities or facilitate specific oxidation reactions.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel selenium-containing drug candidates and active pharmaceutical ingredients (APIs).
• Organic Synthesis Reagent: Employed as a selective oxidizing agent and electrophilic selenium source for constructing complex molecular architectures.
• Catalyst and Ligand Precursor: Used in the preparation of organoselenium catalysts and ligands for various transition metal-catalyzed reactions.
• Biochemical Research: Applied in studies of selenium biochemistry and as a tool compound to investigate biological pathways involving selenium.
• Material Science: Investigated for the development of advanced materials, including precursors for selenium-containing polymers or thin films.
• Agrochemical Synthesis: Intermediate in the research and development of new crop protection agents with potential novel modes of action.

Basic Information

Product Name	Methaneseleninic Acid
CAS No.	28274-57-9
Molecular Formula	CH4O2Se
Molecular Weight	142.00 g/mol
Synonyms	Methylseleninic Acid; Methaneselenic Acid; Methylselenenic Acid; Selenomethionic Acid; CH3Se(O)OH; Methaneselenenous Acid (obsolete); Methylselenonic Acid (incorrect but used); Methylseleninic acid (CAS 28274-57-9)
EINECS	Contact for details

Quality Control

Our Methaneseleninic Acid is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including purity assay and impurity profiling, to ensure it meets the high standards required for research and industrial use. A Certificate of Analysis (COA) detailing specific 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 place at a controlled room temperature (15-25°C). Due to its hygroscopic and strong oxidizer properties, the container must be kept tightly sealed in a dry environment and stored separately from incompatible materials such as reducing agents and organic substances.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Selenium Content	Contact for details
Residue on Ignition	≤ 0.5%

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