Polyaspartic Acid (PASP) is registered under the CAS Number: 181828-06-8,35608-40-6.

CAS Role of PASP
The Chemical Abstracts Service (CAS) assigns unique numbers to chemical substances to facilitate identification. The CAS role of PASP includes:

Water Treatment Agent – Used as a biodegradable scale inhibitor and dispersant in cooling water, boiler water, and reverse osmosis systems.
Chelating Agent – Effectively binds metal ions such as calcium and magnesium, preventing scale and fouling.
Agricultural Additive – Enhances nutrient absorption in soil and fertilizers by improving metal ion availability.
Eco-friendly Polymer – Acts as an alternative to phosphonates and polyacrylates due to its high biodegradability.
Industrial Cleaner – Used in detergents and cleaning formulations to prevent hard water scaling.
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