SODIUM SALT OF POLYASPARTIC ACID (PASP)

Sodium Salt of Polyaspartic Acid (PASP) is a biodegradable polyanionic polymer derived from aspartic acid.
Sodium Salt of Polyaspartic Acid (PASP) is valued for its excellent dispersing, chelating, and scale-inhibiting properties.
Sodium Salt of Polyaspartic Acid (PASP) is widely used in water treatment, detergents, fertilizers, and corrosion control applications.

CAS Number: 181828-06-8
EC Number: Not assigned (polymeric substance)
Molecular Formula: (C4H4NO3Na)n (repeating unit)
Molecular Weight: Variable, typically 2000–5000 g/mol (polymer grade-dependent)

Synonyms: Sodium Salt of Polyaspartic Acid, Polyaspartic Acid Sodium Salt, PASP-Na, Sodium Polyaspartate, Sodium Poly(aspartic acid), Sodium Polyaspartic Polymer, Biodegradable Polyaspartic Acid Salt, PASP Corrosion Inhibitor, PASP Water Treatment Agent, Sodium Polyaspartate Scale Inhibitor, Sodium Salt of Polyaspartic Acid, PASP Sodium Salt, Sodium Polyaspartate, Sodium Poly(aspartate), Polyaspartic Acid Sodium Salt, Sodium Polyaspartic Acid, Sodium Salt of PASP, Poly(aspartic acid) sodium salt, Sodium Salt Polyaspartate, Sodium Salt Poly(aspartic acid), Sodium Polyaspartic, Sodium Polyaspartate Polymer, Sodium Polyaspartate Compound, Sodium Polyaspartate Reagent, Sodium Polyaspartate Additive, Sodium Polyaspartate Material, Sodium Polyaspartate Product, Sodium Polyaspartate Chemical, Sodium Polyaspartate Fine Chemical, Sodium Polyaspartate Specialty Chemical, Sodium Polyaspartate Technical Grade, Sodium Polyaspartate Industrial Grade, Sodium Polyaspartate Pharmaceutical Grade, Sodium Polyaspartate Bio Grade, Sodium Polyaspartate Laboratory Grade, Sodium Polyaspartate ACS Grade, Sodium Polyaspartate AR Grade, Sodium Polyaspartate CP Grade, Sodium Polyaspartate High Purity, Sodium Polyaspartate Pure

APPLICATIONS

Sodium Salt of Polyaspartic Acid (PASP) is used in industrial water treatment systems.
Sodium Salt of Polyaspartic Acid (PASP) prevents scale formation in cooling water systems.
Sodium Salt of Polyaspartic Acid (PASP) disperses calcium carbonate and other mineral deposits.

Sodium Salt of Polyaspartic Acid (PASP) is applied in boiler water treatment.
Sodium Salt of Polyaspartic Acid (PASP) reduces hardness scaling and sludge deposits.
Sodium Salt of Polyaspartic Acid (PASP) improves boiler efficiency and lifespan.

Sodium Salt of Polyaspartic Acid (PASP) is employed in seawater desalination processes.
Sodium Salt of Polyaspartic Acid (PASP) prevents membrane fouling and scale build-up.
Sodium Salt of Polyaspartic Acid (PASP) enhances operational stability of reverse osmosis plants.

Sodium Salt of Polyaspartic Acid (PASP) is used in fertilizers.
Sodium Salt of Polyaspartic Acid (PASP) acts as a chelating agent to improve nutrient uptake.
Sodium Salt of Polyaspartic Acid (PASP) enhances nitrogen, phosphorus, and potassium efficiency.

Sodium Salt of Polyaspartic Acid (PASP) is applied in detergents.
Sodium Salt of Polyaspartic Acid (PASP) disperses dirt and prevents redeposition.
Sodium Salt of Polyaspartic Acid (PASP) improves performance in phosphate-free cleaning formulations.

Sodium Salt of Polyaspartic Acid (PASP) is used in corrosion control.
Sodium Salt of Polyaspartic Acid (PASP) provides passivation on steel surfaces.
Sodium Salt of Polyaspartic Acid (PASP) enhances anti-rust formulations in industry.

Sodium Salt of Polyaspartic Acid (PASP) is employed in oilfield applications.
Sodium Salt of Polyaspartic Acid (PASP) prevents scale deposits in oil extraction pipelines.
Sodium Salt of Polyaspartic Acid (PASP) improves fluid mobility in enhanced oil recovery.

Sodium Salt of Polyaspartic Acid (PASP) is incorporated in agriculture.
Sodium Salt of Polyaspartic Acid (PASP) enhances soil fertility by chelating micronutrients.
Sodium Salt of Polyaspartic Acid (PASP) reduces nutrient loss in irrigation systems.

Sodium Salt of Polyaspartic Acid (PASP) is used in environmental protection.
Sodium Salt of Polyaspartic Acid (PASP) provides eco-friendly alternatives to phosphonates.
Sodium Salt of Polyaspartic Acid (PASP) reduces eutrophication risks in water systems.

DESCRIPTION

Sodium Salt of Polyaspartic Acid (PASP) is typically supplied as a yellow-brown liquid or a light-colored powder.
It is fully water-soluble and functions as a polyanionic dispersant.
Sodium Salt of Polyaspartic Acid (PASP) is biodegradable, offering an environmentally friendly option compared to phosphates and phosphonates.

Sodium Salt of Polyaspartic Acid (PASP) has excellent thermal and chemical stability.
It can operate under high-temperature and high-hardness conditions.
Sodium Salt of Polyaspartic Acid (PASP) inhibits both carbonate and sulfate scale formation.

Sodium Salt of Polyaspartic Acid (PASP) is compatible with other water treatment chemicals.
It works synergistically with corrosion inhibitors and biocides.
It provides strong dispersion of calcium, magnesium, and iron ions.
Sodium Salt of Polyaspartic Acid (PASP) is widely recognized as a green chemistry solution for scale inhibition and water management.

PROPERTIES

Chemical Formula: (C4H4NO3Na)n (polymer)
Molecular Weight: Variable (2000–5000 Da typical)
Common Name: Sodium Polyaspartate (PASP)
Appearance: Light yellow-brown liquid or light powder
Odor: Odorless to mild
Density: ~1.20 g/cm³ (liquid form)
Solubility: Fully soluble in water
pH: 9–11 (aqueous solution, grade-dependent)
Reactivity: Strong chelating and dispersing behavior
Chemical Stability: Stable under high temperature and wide pH range
Storage Temperature: Store at ambient conditions, dry and ventilated

FIRST AID

Inhalation:
Move the affected person to fresh air.
Seek medical attention if symptoms occur.

Skin Contact:
Wash skin thoroughly with soap and water.
Seek medical attention if irritation develops.

Eye Contact:
Rinse cautiously with plenty of water for at least 15 minutes.
Seek medical advice if irritation persists.

Ingestion:
Rinse mouth with water.
Do not induce vomiting.
Seek medical attention if discomfort occurs.

Note to Physicians:
Treat symptomatically.

HANDLING AND STORAGE

Handling:
Wear gloves, goggles, and protective clothing.
Avoid inhalation of aerosols or dust.
Wash hands after handling.

Storage:
Store in cool, dry, well-ventilated areas.
Keep containers tightly closed.
Protect from direct sunlight and high humidity.

Spill and Leak Procedures:
Contain and absorb spills with inert material.
Collect into containers for proper disposal.
Wash area thoroughly with water.