CAS number: 31586-29-5

Polysuccinimide (PSI, CAS# 31586-29-5) is a water-insoluble, light yellow powder that is a hydrolyzed precursor to polyaspartic acid salts, and can be used in a variety of areas of polyaspartic acid applications as a slow-release type product.

Related product:
Sodium Polyaspartate (CAS# 94525-01-6, 181828-06-8, 34345-47-6)
Potassium Polyaspartate (CAS# 64723-18-8)
Calcium polyaspartate, Zinc polyaspartate, Magnesium polyaspartate

Sodium polyaspartate and polysuccinimide are often used in low-phosphorus or non-phosphorus products in water treatment chemicals, dispersant and scale inhibitor, detergents, polymer viscosity reducer, etc.

Potassium polyaspartate is used as anti-scaling additive, polymeric dispersant, stabiliser against tartrate crystal precipitation in wine (only food grade), fertilizer synergist in agriculture.

Technical data (polysuccinimide)