Phosphonobutane Tricarboxylic Acid (PBTC) | Premium Scale & Corrosion Inhibitor

📌 Detailed Introduction of Phosphonobutane Tricarboxylic Acid (PBTC)

✔ What is PBTC?

Phosphonobutane Tricarboxylic Acid (PBTC) is a highly efficient phosphonate-based water treatment additive. It exhibits excellent calcium carbonate scale inhibition, superior thermal stability, and strong resistance to hydrolysis under alkaline conditions. PBTC is widely recognized for its chelating ability, making it an ideal choice for industrial water treatment applications.

✔ CAS Number & Chemical Formula:

• CAS Number: 37971-36-1

• Chemical Formula: C₇H₁₁O₉P

📌 Product Specifications

📌 Applications of PBTC in Various Industries

✔ Water Treatment Industry

• Cooling Towers & Closed Loop Systems: Prevents scale formation and corrosion, extending system lifespan.

• Boiler Water Treatment: Controls calcium carbonate and calcium sulfate scales, optimizing heat transfer.

• Reverse Osmosis (RO) Systems: Acts as an antiscalant to protect membranes from fouling.

✔ Oil & Gas Industry

• Oilfield Water Injection Systems: Prevents scale deposits in oil pipelines and wells, ensuring smooth operations.

• Drilling Fluids Additive: Enhances the stability of water-based drilling muds.

✔ Detergent & Cleaning Industry

• Chelating Agent in Industrial Cleaners: Enhances metal protection in acidic and alkaline formulations.

• High-Temperature Cleaning Applications: Retains effectiveness in extreme pH conditions.

✔ Textile & Paper Industry

• Bleaching Process Stabilizer: Prevents metal ion interference in bleaching and dyeing.

• Pulp & Paper Processing: Reduces scale deposits in manufacturing systems.

✔ Metal Processing & Electroplating

• Corrosion Inhibitor in Metalworking Fluids: Prevents rust and oxidation, extending equipment life.

• Water-Based Metal Cleaning Agents: Improves performance in acidic and alkaline cleaning solutions.

📌 Working Principle of PBTC

1. Scale Inhibition:

• PBTC binds with calcium and magnesium ions, preventing scale formation in water systems.

2. Corrosion Protection:

• Forms a protective film on metal surfaces, reducing oxidation and pitting corrosion.

3. High-Temperature & Alkaline Stability:

• Maintains scale and corrosion inhibition performance in extreme industrial conditions.

4. Chelation & Dispersing Effect:

• Prevents iron, copper, and zinc ion precipitation, keeping industrial systems clean and efficient.

📌 Production Method & Raw Materials

✔ Raw Materials Used:

• Phosphorous Acid (H₃PO₃)

• Maleic Anhydride (C₄H₂O₃)

• Butane Derivatives

✔ Production Process:

1. Reaction: Phosphorous acid reacts with maleic anhydride and butane derivatives under controlled conditions.

2. Purification & Filtration: The reaction mixture is filtered to remove impurities.

3. Concentration & Standardization: The final product is adjusted to the desired concentration.

4. Packaging & Quality Control: The purified PBTC is packed in drums or IBC tanks, with rigorous quality testing before shipment.

📌 Famous PBTC Brands Worldwide

• Solvay – Belgium

• Italmatch Chemicals – Italy

• Jiangsu Khonor Chemicals Co., Limited – China

📌 Why Choose Jiangsu Khonor Chemicals Co., Limited?

✔ High-Purity PBTC (50%) for Water Treatment & Industrial Applications
✔ Stable Performance Under High pH & High-Temperature Conditions
✔ ISO & SGS Certified Manufacturing Standards
✔ Competitive Pricing & Reliable Bulk Supply
✔ Customizable Packaging & Fast Global Delivery

📌 Order High-Quality PBTC from Jiangsu Khonor Chemicals Co., Limited Today!

Looking for a trusted supplier of PBTC? Jiangsu Khonor Chemicals Co., Limited provides premium-grade PBTC with global shipping and competitive pricing.

📞 Contact us now for quotations & technical specifications!

Phosphonobutane tricarboxylic acid (PBTCA) is a versatile organophosphonate compound widely used in various industrial applications. Its unique molecular structure and properties make it effective as a scale inhibitor, corrosion inhibitor, and chelating agent. This article provides a detailed overview of PBTCA, including its chemical structure, properties, applications, and environmental impact.

Chemical Structure and Properties PBTCA, with the chemical formula C7H11O9P, is a phosphonocarboxylic acid compound characterized by three carboxylic acid groups and one phosphonic acid group attached to a butane backbone. Its molecular structure enables strong chelating and sequestering properties, making it effective in inhibiting scale formation and controlling corrosion in various industrial processes.

Key Properties of PBTCA:

1. Chelating Capacity: PBTCA forms stable complexes with metal ions, preventing scale formation and precipitation in aqueous systems.

2. Scale Inhibition: It inhibits the crystallization of calcium carbonate, calcium sulfate, and other mineral scales, thus preventing the buildup of scale deposits on surfaces.

3. Corrosion Protection: PBTCA acts as a corrosion inhibitor by forming a protective film on metal surfaces, thereby reducing the rate of corrosion in industrial equipment and pipelines.

4. pH Stability: PBTCA maintains its efficacy over a wide pH range, from acidic to alkaline conditions.

5. Thermal Stability: The compound remains stable at elevated temperatures, making it suitable for use in high-temperature industrial processes.

6. Biodegradability: PBTCA is biodegradable under certain conditions, contributing to its environmental compatibility.

Applications of PBTCA

1. Water Treatment: PBTCA is extensively used in water treatment applications to inhibit scale formation and control corrosion in cooling water systems, boilers, and desalination plants. It helps maintain water quality and prolong the lifespan of equipment.

2. Industrial Cleaning: PBTCA serves as a scale inhibitor and dispersant in industrial cleaning formulations, such as descalers and metal cleaning agents. It aids in the removal of mineral deposits and prevents their re-deposition on surfaces.

3. Oilfield Operations: In the oil and gas industry, PBTCA is employed as a scale inhibitor and corrosion inhibitor in drilling fluids, production water, and enhanced oil recovery processes. It protects well integrity and enhances production efficiency in challenging downhole conditions.

4. Personal Care Products: PBTCA is used in personal care products such as shampoos, soaps, and detergents to improve stability and performance, particularly in hard water conditions.

5. Textile Industry: PBTCA finds applications in the textile industry as a bleach stabilizer and chelating agent in textile processing and dyeing operations.