Description

Sodium Octyl Phosphonate is an organophosphorus compound widely used as a high-performance scale and corrosion inhibitor. This chemical is valued for its excellent chelating properties and stability across a range of pH conditions, making it a critical component in industrial water treatment formulations. Key industries that rely on this product include cooling water systems, oilfield production, and textile processing, where it effectively controls mineral scale deposition and protects metal surfaces.

Application

• Primary scale inhibitor in industrial cooling water and boiler water treatment systems.
• Corrosion inhibitor for ferrous and non-ferrous metals in recirculating water circuits.
• Additive in oilfield production chemicals to prevent carbonate and sulfate scale formation in wells and pipelines.
• Sequestrant and dispersant in textile processing and dyeing applications.
• Stabilizing agent in pulp and paper manufacturing to control calcium and magnesium ions.
• Component in detergent and cleaning formulations for its metal ion control properties.
• Additive in personal care products, such as shampoos, for its chelating functionality.

Basic Information

Product Name	Sodium Octyl Phosphonate
CAS No.	33488-70-9
Molecular Formula	C8H18NaO3P
Molecular Weight	216.19 g/mol
Synonyms	Octylphosphonic Acid Sodium Salt; Sodium Mono-octyl Phosphonate; Phosphonic Acid, Octyl-, Sodium Salt; 1-Octanephosphonic Acid Sodium Salt; OPA-Na; Octylphosphonate Sodium; Sodium Octanephosphonate; Phosphonate O8
EINECS	251-533-5

Quality Control

Our Sodium Octyl Phosphonate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise specifications for industrial applications. A comprehensive Certificate of Analysis (COA) is provided with every shipment, detailing purity, physical properties, and test results.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (by Titration)	≥ 95.0%
pH (1% Solution)	7.0 - 9.0
Water Content	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm

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