1-Hydroxy Ethylidene-1,1-Diphosphonic Acid

Product Details

CasNo： 2809-21-4

MF： C2H8O7P2

Appearance： liquid

Delivery Time： 15 days

Packing： 200kg/drum

Purity： 60%

Basic Information

Product Description

Product Name：1-Hydroxyethylidene-1,1-diphosphonic acid

CAS No: 2809-21-4

Form: Liquid

Product Application

Industrial Water Treatment (Core Market)

Open & Closed Recirculating Cooling Water Systems: A primary scale and corrosion inhibitor component​ widely used in water treatment for power plants, chemical plants, metallurgy, and HVAC systems.

Reverse Osmosis (RO) & Nanofiltration (NF) Systems: A high-efficiency antiscalant, particularly suitable for high-hardness, high-alkalinity feed water to prevent membrane scaling.

Oilfield Water Treatment: Used for scale and corrosion control in water injection systems and oil transmission pipelines.

Boiler Water Treatment: Antiscalant for low- to medium-pressure boilers.

Detergents & Cleaners

Phosphate-free/Low-phosphate Builder: A substitute for sodium tripolyphosphate (STPP), providing excellent water softening and anti-redeposition properties, especially prevalent in liquid detergents.

Packaging

200Kg/Drum

Storage

Store in a cool, ventilated, dry​ place, protected from direct sunlight and extreme temperatures. Prolonged exposure to low temperatures (<0°C) may cause freezing; thawing and mixing restores usability. Long-term high temperatures may cause darkening and slight activity loss.