|
|
 |
L-Aspartic Acid |
| |
Chemical Name: L(+)-Aspartic acid; L-2-Aminobutanedioic acid; L-Aminosuccinic acid
Molecular Formula: C4H7NO4 
Molecular Weight: 133.10
Cas NO: [ 56-84-8 ]
Characteristics: White crystals or crystalline powder.
Quality Standards: AJI92, FCC4 etc. |
Specification Sheet
(AJI92) |
|
Expiry Period : 2 years
Packaging: 25kg / PP woven bag
25kg / drum |
|
Items |
Specifications |
Description |
White crystals or crystalline powder |
Assay, % |
99.0 ~ 100.5 |
Identification |
Infrared absorption spectrum |
Specific rotation, ° |
+24.8 ~ +25.8 |
State of solution, % |
≥98.0 |
Chloride (Cl) , % |
≤0.020 |
Ammonium (NH4) , % |
≤0.02 |
Sulfate (SO4) , % |
≤0.020 |
Iron (Fe), ppm |
≤10 |
Heavy metals (Pb) , ppm |
≤10 |
Arsenic (As2O3) , ppm |
≤1 |
Other amino acids |
Conforms |
Loss on drying, % |
≤0.20 |
Residue on ignition (sulfated) , % |
≤0.10 |
PH |
2.5 ~ 3.5 |
|
|
|
|
