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181828-06-8 Fertilizer Synergist , Agriculture Polyaspartic Acid (PASP)

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181828-06-8 Fertilizer Synergist , Agriculture Polyaspartic Acid (PASP)

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Qingdao Reach International Inc.

Verified Supplier


Business type: Manufacturer, Distributor/Wholesaler, Agent, Exporter, Trading Company

Telephone : 86-532-80690660

Huili Mansion 1106, No.111 Yan'an 3rd Road., Qingdao, China, 266071

Product Details:

Place of Origin: China
Model Number: PASP agriculture grade

Payment & Shipping Terms:

Minimum Order Quantity: 1 MT
Packaging Details: 20kg bag
Delivery Time: Within 15 days after PO
Payment Terms: T/T, LC, D/P, D/A
Supply Ability: 1,000 MT/year
Detailed Product Description
Product Name: Sodium Of Polyaspartic Acid CAS Number: 181828-06-8
Appearance: Light Yellow Powder Assay: 90% Min.
Molecular Weight: 3,000 Or 5,000 Da


Poly L-aspartic acid salts, Agriculture Polyaspartic Acid, Potassium of Polyaspartic Acid


181828-06-8 Fertilizer Synergist , Agriculture Polyaspartic Acid (PASP)


Quick Detail:


CAS Number: 181828-06-8

Molecular Weight: 3,000 or 5,000 Da

Synonyms:   Sodium of Polyaspartic Acid or Potassium of Polyaspartic Acid





PASP is a water soluble polymer. It is a good plant nutrient and green water treatment agent, with properties of non-phosphor, non-nitrogen, non-pollution and fully biodegradation. PASP has good scale inhibition on calcium carbonate, calcium sulfate, barium sulfate, calcium phosphate, etc. Its scale inhibition rate for calcium carbonate is 100%. Moreover, PASP has dispersion and corrosion inhibition properties to metal equipment.





Has characteristics of the anionic protein including a high ion exchange capacity arising from the carboxylic group of the amino acid (approximately 300 meq)

High molecular weight of about 5,000. All environmentally friendly, biodegradable product

Its polymer backbone is made of chains of amino acids (peptides). Polyaspartic acid salt’s polymer, then, is degradable by bacterial action



Recommendation rates


Add to starter, pop-up, and side-dressed fertilizer, 0.6-0.8 kg/1000m2

Add to phosphate fertilizer being applied through irrigation system 2-4 kg/1000m2

Add to foliar fertilizer applications, 2-4 kg/1000m2

Always add PASP when applying phosphate fertilizers




Appearance: Light yellow powder

Assay:   90% min.

Limiting Viscosity: dl/g (30°C)       0.055-0.090

Loss on drying:   10.0% max.

PH: 7.5~10.5

Insolubles:    1% max.



Competitive Advantage:


1. Improve nutrient uptake for plants by root

PASP significantly improves nutrient acquisition by the plant through artificially increasing the volume of phosphorus fertilizer occupied by increasing root branching and root hair development. Optimization of the root environment is needed to promote efficient nutrient uptake and reduce waste nutrients. It keeps both the applied nutrient and the natural nutrients in the water source more available for plant uptake.


2. Improve crop yield and mature at an earlier time.

PASP is a proven fertilizer additive when used with a balanced fertilizer program delivers healthier, stronger plants with faster maturity and higher yields. It assist plants taking up more phosphorus fertilizer and trace elements from normal fertilization. Promote uniform stands with early root systems and fast overall growth, early fruiting and maturity with increased yield at low cost to provide Maximum Economic Yields, which means lowest unit cost of production for producing profits in a competitive market place.


3. Reduce the usage of fertilizer and save energy

It is estimated that 30% to 50% of a crop’s productivity is attributed directly to fertilizer; but often less than 50% of applied fertilizer is absorbed by the plant. PASP is a patented fertilizer availability enhancement available for an extended period of time. It helps reduce energy consumption for producing innumerable tons of fertilizer, making nature clearer and better.


4. Make the crop healthy against the diseases and drought

In many root system of treated plants, crops will have more root branching and longer root hairs, which enables them to make greater use of available nutrients (fertilizer). With nutrients readily available, plants develop easier and faster. Early and fast growth can help overcome the stress from drought caused by heat and/or low moisture levels. Early plant development also speeds maturity, which make a difference in the profit or loss from your crop, keeping diseases far away from crops.


5. Make the land better for crops.

Phosphorous has a negative charge while metal-ion in the soil solution, such as calcium, magnesium, iron and aluminum all have positive charges. Normally, most of the negative charged phosphorus from fertilizer is attached to the positive charged calcium, iron or aluminum, forming insoluble precipitations. After applying excessive fertilizer in the soil, the land become much harden and negative to the crops. With PASP, excessive application of fertilizer is still available for plants in an extended period of time, and will not lead to the insoluble precipitations in the soil.

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