Polyacrylic Acid Sodium
PAAS
CAS No. 9003-04-7
Synonyms: Sodium Polyacrylate, Propenoic Acid Homopolymer Sodium Salt
Structural Formula
Properties
PAAS is innoxious and soluble in water, it can be used in situations of alkaline and high concentration
without scale sediment. It 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.
Specification
Items Index
Appearance Colorless or light yellow transparent liquid
Solid content % 50 min
Free monomer (CH2=CH-COOH)% 1.0 max
Density (20℃) g/cm3 1.20 min
pH (as it) 6.0~8.0
Note: 30%, 40%, 45% are also supplied.
Usage
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.
Package and Storage
200L plastic drum, IBC(1000L),customers’requirement.
Storage for ten months in shady room and dry place
