Description

Methylphosphonic Acid CAS NO 993-13-5 is a versatile organophosphorus compound characterized by its strong acidity and utility as a key synthetic intermediate. This high-purity chemical is essential for creating complex molecules where precise phosphorus incorporation is required. It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for applications ranging from catalyst development to the synthesis of advanced materials.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those with phosphonate or bisphosphonate functionalities.
• Agrochemical Synthesis: Used in the production of herbicides, plant growth regulators, and other crop protection agents where the methylphosphonic acid moiety is integral to the molecule's activity.
• Ligand and Catalyst Preparation: Acts as a precursor for phosphonate-based ligands used in homogeneous catalysis and metal complexation processes.
• Flame Retardant Formulations: Incorporated as a reactive component in the manufacture of certain flame-retardant polymers and additives.
• Chemical Research & Development: Employed in academic and industrial R&D for exploring new reactions and creating specialized organophosphorus compounds.
• Surface Treatment Agent: Utilized in the formulation of coatings and surface modifiers for metals and other materials.

Basic Information

Product Name	Methylphosphonic Acid
CAS No.	993-13-5
Molecular Formula	CH5O3P
Molecular Weight	96.03 g/mol
Synonyms	Methylphosphonic Acid; Phosphonomethyl Acid; Methylphosphonate; MPA; (Hydroxymethyl)phosphonic Acid; Methylphosphorous Acid; NSC 84156; Methylphosphonic acid (aqueous solution)
EINECS	213-597-1

Quality Control

Our Methylphosphonic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including assay, impurity profiling, and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent quality.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Due to its strong acid nature, containers should be kept tightly sealed to prevent moisture absorption and potential corrosion.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or colorless solution
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Melting Point	104 - 108 °C
Heavy Metals (as Pb)	≤ 10 ppm

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