Dequest® Phosphonates

More than 50 years ago, Dequest pioneered the development of phosphonate based antiscalants. Dequest phosphonates have been the product of choice for antiscalants/dispersants/corrosion inhibitors/chelants in various applications for many years.

Dequest® 2000 Series
Dequest® 2000 Series

Dequest® 2000 is a general purpose, cost-effective scale inhibitor based on amino tri methylene phosphonic acid. Dequest® 2000 provides corrosion inhibition with zinc and phosphates and is a good chelant.

Dequest® 2090 Series
Dequest® 2090 Series

Effective threshold scale inhibitor for carbonate and sulfate scales.

Dequest® 2010 Series
Dequest® 2010 Series

Dequest® 2010, noted for its excellent CaCO3 scale inhibition and chlorine stability is based on hydroxyl ethylidene (1, 1-diphosphonic acid) and is approved for applications in which boiler steam comes in contact with food.

Dequest® 2050 Series
Dequest® 2050 Series
Dequest® 4066 Series
Dequest® 4066 Series

DTPMPA physically bound in an alumino-silicate matrix

Dequest® 2060 Series
Dequest® 2060 Series

Dequest® 2060S is a general purpose scale inhibitor, powerful sequestrant and excellent barium sulphate scale inhibitor. Based on diethylene triamine penta (methylene phosphonic acid), recommended applications for Dequest® 2060S include: cooling water treatment, peroxide bleach stabilization and scale control in detergent formulations, Industrial & Institutional Cleaners, Geothermal water treatment, oil field scale control

Dequest® 6000 Series
Dequest® 6000 Series
Dequest® 7000 Series
Dequest® 7000 Series