Water-treatment Chemicals

  • Polyacrylic Acid Sodium Salt (PAAS)
Polyacrylic Acid Sodium Salt (PAAS)

Polyacrylic Acid Sodium Salt (PAAS)

  • CAS No. 26099-09-2
  • Product description: Polyacrylic Acid Sodium Salt (PAAS) - KAIXIN INDUSTRIAL CO., LTD

CAS No.  9003-04-7 

Structural Formula:


PAAS is innoxious and soluble in water, it can be used in situations of alkaline and high concentration without scale sediment. PAAS can disperse the microcrystals or microsand of calcium carbonate, calcium phosphate and calcium sulfate. PAAS is used as scale inhibition and dispersant for circulating cool water system, papermaking, weave, dyeing, ceramic, painting, etc.


Items Index
Appearance Colorless to light yellow   transparent liquid Colorless to light yellow   transparent liquid Colorless to yellow liquid
Solid content % 30.0 min 40.0 min 45.0 min
pH(as it) 7.0 max 6.0~8.0 6.0~8.0
Density (20℃)g/cm3 1.15 min 1.20 min 1.20 min
Free monomer (as AA) % 0.50 max 0.50 max 0.80 max


PAAS can be used as scale inhibitor and dispersant in circulating cool water systems in power plants, iron & steel factories, chemical fertilizer plants, refineries and air conditioning systems. Dosage should be in accordance with water quality and equipment materials. When used alone, 2-15mg/L is preferred. When used as dispersant, the dosage should be determined by experiment.

Package and Storage:

Liquid: 200L plastic drum, IBC(1000L), customers' requirement.

Solid: 20kg/bag, customers' requirement.

Storage for ten months in shady room and dry place.

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