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General Overview of Sodium polyaspartate CAS 94525-01-6
Polyaspartic acid (abbreviated PASP) is a kind of biodegradable green biopolymer materials. Its molecules contains abundant amido bond, carboxyl and other active groups. The special molecular structure of PASP ensures that it has good dispersing ability, corrosion inhibiting properties, excellent capabilities of chelation, adsorption, excellent biodegradability and environmental friendly characteristics.
Polyaspartic acid Sodium salt (PASP Na Salt) is widely used in water treatment chemicals, detergent, saline soil ameliorator, etc.
PASP chelated micronutrient, such as Potassium (K), Calcium (Ca), Magnesium (Mg), Zinc (Zn), can be used for chelated micronutrients fertilizer, saline soil ameliorator.
Specification of Sodium polyaspartate CAS 94525-01-6
PASP, Sodium Salt - SUPPLIED IN LIQUER OR SOLID: |
||
Product Name |
PASP 100/40% |
PASP solid |
Delivery Form |
solution |
solid |
Appearance |
orange to brown |
orange to brown powder |
Odor |
very low |
odorless |
pH-Value 10% solution |
9.5 – 10.5 |
< 10.5 |
Density at 20°C [g/ml] |
< 1.30 |
- - - |
Bulk Density [kg/Liter] |
- - - |
0.55 – 0.90 |
Viscosity at 20°C [mPa*s] |
20 - 60 |
- - - |
Freezing point [°C] |
< –12°C |
- - - |
Solubility in Water at 20°C [g/100g H2O] |
each ratio |
80 |
COD [mg O2/g] |
< 330 |
< 480 |
PASP, Sodium Salt - CONSTITUENTS: |
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Product Name |
PASP 100/40% |
PASP solid |
Polyaspartic Acid, Sodium Salt [% w/w] |
> 38.0 |
> 92 |
Aspartic Acid, Sodium Salt [% w/w] |
< 2.0 |
< 0.5 |
Asparagine Sodium Salt [% w/w] |
< 0.3 |
< 0.1 |
Fumaric Acid, Sodium Salt [% w/w] |
< 0.3 |
< 0.1 |
Maleic Acid, Sodium Salt [% w/w] |
< 0.2 |
< 0.1 |
Water [% w/w] |
< 60 |
< 8 |
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