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Acrylic Acid- 2-Acrylanmido-2- methylpropanesulfonicacid Copolymer (AA/AMPS)

CAS No.  40623-75-4

Structural Formula:

Acrylic Acid- 2-Acrylanmido-2- methylpropanesulfonicacid Copolymer (AA/AMPS)


Due to including carboxylic group (antiscale dispersion property) and sulfonic acid group (strong polarity) in this copolymer, this product has high calcium tolerance and shows excellent scale inhibition effects for calcium phosphate, calcium carbonate and zinc scale, and has excellent dispersion properties. When built with organophosphines, it can guarantee enough quantity of organophosphines dissolved in water system, thus improving the whole antiscale corrosion inhibition properties. In addition, this product has excellent antiscale capacity for calcium phosphate and zinc scale, especially suitable to the water quality of high pH, high alkali situation, is one of the ideal antiscale dispersant for implement of operation on high index condense multiples.


Items Index
Appearance Colorless to light yellow viscous liquid Colorless to light yellow viscous liquid
Solid content % 30.0 min 40.0 min
Free monomer (as AA)% 0.50 max 0.50 max
Density (20℃)g/cm3 1.10 min 1.15 min
pH(1% water solution) 3.0 max 3.5-4.5


This product can be used as antiscale dispersant in open wide circulating cool water system, oilfield refill water systems, metallurgy system and iron & steel plants to prevent sediment of ferric oxide. When built with organophosphines and zinc salt, the suitable pH value is 7.0~9.5. This product can also be used as dyeing and finishing auxiliaries for textile.

Package and Storage:

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


AA-AMPS; AA-AMPSA; Acrylic Acid-2-Acrylamido-2-Methylpropane Sulfonic Acid Copolymer; Sulfonated Polyacrylic Acid Copolymer;

Related Products:   Acrylic Acid- 2-Acrylanmido-2- methylpropanesulfonicacid Copolymer AA/AMPS
                                    Copolymer of Maleic and Acylic Acid MA/AA
                                    Copolymer of Phosphono and carboxylic Acid PCA