Description

1,10-Decyldiphosphonic Acid is a high-purity, diphosphonic acid derivative characterized by a long, ten-carbon alkyl chain, offering unique chelating and scale inhibition properties. This compound is valued for its exceptional ability to form stable complexes with di- and trivalent metal ions, even under challenging conditions. It serves as a critical performance chemical for industrial water treatment, oilfield applications, and as a versatile intermediate in the synthesis of specialized surfactants and functional materials.

Application

• Industrial Water Treatment: Acts as a highly effective scale and corrosion inhibitor in cooling towers, boilers, and reverse osmosis systems, particularly for calcium carbonate and barium sulfate control.
• Oilfield Chemicals: Used in squeeze treatments and as a component in scale inhibitor formulations for downhole applications to prevent mineral scale deposition in production wells.
• Metal Surface Treatment: Functions as a chelating agent in metal cleaning, pickling, and plating baths to control metal ion concentration and improve finish quality.
• Detergent & Cleaning Formulations: Incorporated as a builder and sequestrant in industrial and institutional cleaning products to enhance performance in hard water.
• Chemical Synthesis: Serves as a key phosphonate-based intermediate for producing specialized surfactants, polymers, and functional materials with tailored properties.
• Pulp & Paper Industry: Utilized in process water systems to control scale and metal ion interference, improving operational efficiency and product quality.

Basic Information

Item	Detail
Product Name	1,10-Decyldiphosphonic Acid
CAS No.	5943-21-5
Molecular Formula	C₁₀H₂₆O₆P₂
Molecular Weight	304.26 g/mol
Synonyms	Decyl-1,10-diphosphonic Acid; Decane-1,10-diyldiphosphonic Acid; 1,10-Decanediphosphonic Acid; Dodecane-1,12-diphosphonic Acid (common misnomer); Decyl Diphosphonate; DPA-10; Long-chain Alkyl Diphosphonic Acid; Phosphonic acid, P,P'-(1,10-decanediyl)bis-
EINECS	227-714-8

Quality Control

Our 1,10-Decyldiphosphonic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. We provide a Certificate of Analysis (COA) with every shipment, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment ensures consistent performance and reliability for your critical industrial processes.

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 product is hygroscopic (moisture-sensitive). Keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture, which may affect product quality and handling properties. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0 %
Water Content (KF)	≤ 2.0 %
pH (1% aqueous solution)	2.0 - 4.0
Heavy Metals (as Pb)	≤ 20 ppm

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