Phosphino Carboxylic Acid, Phosphino Polycarboxylic Acid


Phosphino carboxylic acid is through the introduction of the phosphonic group into a carboxylic group. It has good dispersion properties for calcium carbonate and calcium phosphate scale in circulating cool water systems.

Phosphino polycarboxylic acid has good scale inhibition for barium sulfate, strontium sulfate, and silica scale. It has advantages in a wide range of water quality, chemical stability, strong chlorine tolerance, etc.


AppearanceColorless or light yellow liquid
Solid content, %50.0 Min.
Total phosphor (as PO43-), %0.5 Min.
Density (20℃), g/cm31.20-1.30
pH (1% water solution)3.0-5.0


When used alone, the dosage of 5~20 mg/L is preferred. It can also be used with organophosphines, copolymers, zinc salt, or BTA.

Packing and Storage:

200L plastic drum, IBC(1000L), customers’ requirement. Storage for ten months in a shady room and dry place.

200l plastic drum 1000l IBC


PCA, POCA, dispersant PCA, Copolymer of Phosphono and carboxylic Acid, 1-phenyl-4-amino-5-chloropyridaz-6-one.


Contact us if you want to get the latest Phosphino Carboxylic Acid price and download Phosphino Carboxylic Acid SDS/MSDS.