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Polyacrylic Acid Sodium Salt

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Polyacrylic Acid Sodium Salt(PAAS) is innoxious and soluble in water, PAAS can be used in situations of alkaline and high concentration without scale sediment.
  • Polyacrylic Acid Sodium Salt
  • ThFine
  • CAS No. 9003-04-7
  • Polyacrylic Acid Sodium Salt

Polyacrylic Acid Sodium Salt (PAAS)

CAS No.  9003-04-7 

Structural Formula:




Polyacrylic Acid Sodium Salt is innoxious and soluble in water. It can be used in situations of alkaline and high concentration without scaling. Polyacrylic Acid Sodium Salt  can disperse the microcrystals or microsand of calcium carbonate, calcium phosphate and calcium sulfate. Polyacrylic Acid Sodium Salt  is used as scale inhibition and dispersant for circulating cooling water system, papermaking, weave, dyeing, ceramic, painting, etc.






Colorless to light yellow
 transparent liquid

Colorless to yellow transparent liquid

White powder

Solid content %

30.0 min

40.0 min

45.0 min

50.0 min

90.0 min

pH(as it)

7.0 max





Density (20℃)g/cm3

1.15 min

1.20 min

1.25 min



Free monomer (as AA) %

0.50 max

0.50 max

0.50 max

0.50 max



Polyacrylic Acid Sodium Salt can be used as scale inhibitor and dispersant in circulating cooling 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:

PAAS Liquid: Normally in 200L HDPE drum, 1000L IBC, or customers’ requirement.

PAAS Solid: 25kg inner liner PE bag, 1000kg woven bag, or customers’ requirement.

Storage for ten months in shady room and dry place.


Safety Protection:

Neutrality. Avoid contact with eye and skin, once contacted, flush with water.


PAASPoly(acrylate sodium)Polyacrylic Acid Sodium Salt; Poly(acrylic acid sodium salt); Sodium Polyacrylate

   Polycarboxylic Antiscalant and Dispersant

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