Producto
L-Aspartic Acid
Contenido del producto
|
Product |
L-Aspartic acid |
|
CAS No. |
56-84-8 |
|
Chemical Structure |
C4H7NO4 |
|
Formula Weight |
133.10 |
|
Structural Formula |
|
|
Quality Standard |
AJI97 |
|
Packing |
25 kg paper bag with inner PE bag |
|
Shelf Life |
2 Years Preserve in original packing and protected from light |
|
Specifcation |
Standard |
|
Appearance |
White crystals or crystalline powder |
|
Assay(On dry basis) |
98.5~100.5% |
|
Specific rotation[α]D20 |
+24.80~+25.80 |
|
Loss on drying |
≤0.20% |
|
Chloride(Cl-) |
≤0.02% |
|
Iron(Fe) |
≤0.001% |
|
Transmittance |
≥98.0% |
|
Sulfate(SO42-) |
≤0.02% |
|
Residue on ignition |
≤0.1% |
|
Heavy metals(As Pb) |
≤0.001% |
|
Ammonium(NH4+) |
≤0.02% |
|
Arsenic (As2O3) |
≤0.0001% |
|
PH |
2.5~3.5 |
|
Other amino acids |
Chromatographically not detectable |
