CAS No. 904  
Structural Formula:

Properties:
PAAS is a water soluble sodium salt of a low molecular weight water soluble acrylic acid polymer that is supplied as a white, free-flowing powder, containing 11 wt% moisture. PAAS is a high performance polyelectrolyte with multi-functional properties.
• Inhibits precipitation of silicate, carbonates and phosphates
• Deposit control
---Dispersant / deflocculation
---Crystal morphology modifier
---Crystal growth inhibitor
---Anti-redeposition for hydrophilic soils
 • Chelating Agent
---Detergent builder functionality
---Phosphate replacement
Specification:

Items	Index
Appearance:	White Powder
Solid content %	90.0min
Moisture content (wt%)	10.0max
pH(1% solution)	7.0-10.0

Usage:
PAAS can be used as scale inhibitor and dispersant in circulating cool water systems in power plants, iron & steel factories, chemical fertilizer plants, Powdered laundry detergents, refineries and air conditioning systems.
Package and Storage:
20KGs per Bag. Storage for one year in shady room and dry place.