Description

(Hydroxy-2-Naphthalenylmethyl)Phosphonic Acid is a specialized organophosphorus compound that serves as a versatile intermediate and functional additive. Its unique structure, combining a naphthalene backbone with phosphonic acid and hydroxyl groups, makes it valuable for applications requiring metal chelation, surface modification, and controlled reactivity. This chemical is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for synthesis and formulation processes.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring metal-binding or bone-targeting properties.
• Agrochemical Synthesis: Serves as a key building block for herbicides, plant growth regulators, and other crop protection agents.
• Scale & Corrosion Inhibitor: Acts as an effective chelating agent in industrial water treatment formulations to control scale formation and metal corrosion.
• Polymer Additive: Functions as a flame retardant, stabilizer, or adhesion promoter in specialty polymer and resin systems.
• Metal Surface Treatment: Used in metal finishing and coating processes to improve adhesion and corrosion resistance.
• Research & Development: Employed in academic and industrial R&D for developing new materials, catalysts, and chemical processes.

Basic Information

Product Name	(Hydroxy-2-Naphthalenylmethyl)Phosphonic Acid
CAS No.	120943-99-9
Molecular Formula	C₁₁H₁₁O₄P
Molecular Weight	238.18 g/mol
Synonyms	2-Hydroxy-1-naphthylmethylphosphonic Acid; (2-Hydroxy-1-naphthyl)methylphosphonic Acid; 1-Naphthalenemethanol, 2-hydroxy-, phosphonate; Phosphonic acid, P-[(2-hydroxy-1-naphthalenyl)methyl]-; HNMP; 2-Hydroxynaphthalene-1-methylphosphonic Acid
EINECS	Contact for details

Quality Control

Our (Hydroxy-2-Naphthalenylmethyl)Phosphonic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every 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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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