High-Performance Scale & Corrosion Inhibitor

Hydroxyethylidene diphosphonic acid (HEDP) is a high-purity, water-soluble phosphonate widely used as a scale and corrosion inhibitor in industrial water treatment and specialty chemical applications. Known for its stability, chelating ability, and compatibility with various water systems, HEDP supports performance-driven formulations in cooling water, boiler water, and oilfield operations.

SMC Global’s HEDP 60% solution is NSF certified and meets the “NSF 60” standard for water treatment, including use as a Reverse Osmosis (RO) antiscalant and distillation antiscalant. This certification confirms product safety, quality, and compliance for applications involving drinking water systems

SMC Global is a trusted supplier of high-quality HEDP, backed by strong logistics and technical expertise.

Why Choose HEDP?

• Highly effective scale and corrosion control
• Water-soluble, stable, and easy to handle
• Compatible with a wide range of water treatment systems
• Reliable performance across industrial applications

Key Uses

Industrial Water Treatment
Acts as a scale inhibitor and corrosion control agent in cooling towers, boilers, and industrial water systems, maintaining efficiency and protecting equipment.

Oilfield & Gas Applications
Prevents scale deposition and corrosion in oilfield water systems, helping to improve operational reliability.

Metalworking & Industrial Fluids
Supports corrosion inhibition in metalworking fluids and other industrial aqueous formulations.

Cleaning & Descaling Applications
Used in cleaning formulations to remove mineral deposits and prevent scale buildup on equipment.

Specialty Chemical Formulations
Serves as a stabilizer and additive in various chemical processes requiring strong chelating and anti-scaling properties.

Your Hydroxyethylidene diphosphonic acid (HEDP)

SMC Global delivers consistent quality, reliable supply, and expert support to help you meet performance and sustainability goals.