Maleic Acid/Acrylic Acid Copolymer (MA/AA)
CAS Number: 26677-99-6
Low molecular weight maleic/acrylic acid copolymer used as a threshold scale inhibitor and dispersant in cooling water, boiler water, and industrial water systems. Effective against CaCO₃, CaSO₄, and BaSO₄ scale at dosages as low as 1–10 mg/L.
Technical Specifications
| dosage | 1–10 mg/L |
| density | 1.10–1.20 g/cm³ |
| packaging | 200 kg drum or IBC |
| appearance | Light amber to yellow liquid |
| active content | ≥50% |
| pH 1% solution | 2–3 |
| molecular weight | 1000–5000 Da |
Applications
- Cooling tower scale inhibition and dispersant
- Boiler feedwater scale prevention
- Reverse osmosis membrane antiscalant blends
- Industrial process water treatment
- Oil refinery and petrochemical cooling circuits
- Textile and paper process water treatment
Key Features
- Threshold inhibition effective at sub-stoichiometric dosages against multiple scale types (CaCO₃, CaSO₄, BaSO₄)
- Synergistic with HEDP and other organophosphonates in formulated inhibitor packages
- Low MW (1000–5000 Da) ensures good dispersancy and inhibitor mobility in system
- Stable over wide temperature and pH range typical of industrial cooling and boiler circuits
- Compatible with zinc salts, molybdate, and benzotriazole in blended corrosion/scale programs
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CAS Number
26677-99-6
Category
scale corrosion inhibitorsAvailability
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