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L-Aspartic acid homopolymer potassium salt Polyaspartic acid Potassium salt CAS:64723-18-8
Name: L-Aspartic acid homopolymer potassium salt
CAS:64723-18-8
MF: C4H5K2NO4
Item |
Specification |
Appearance |
Light brown odourless powder |
Assay |
≥98% (on dry weight basis) |
Prticle size |
≥99% pass through 45 μm |
PH value (40% aqueous solution) |
7.5-8.5 |
Loss on drying (105°C,12 hours) |
≤11% |
Potassium hydroxide |
≤2% |
Aspartic acid |
≤1% |
Other impurities |
≤0.1% |
Arsenic (As) |
≤2.5mg/kg |
Lead (Pb) |
≤1.5mg/kg |
Mercury (Hg) |
≤0.5mg/kg |
Cadmium (Cd) |
≤0.1mg/kg |
Solubility |
Very soluble in water and slightly soluble in organic solvents |
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