|
|
 |
L-Alanine |
| |
Chemical Name : (s)-2-Amino propionic acid
Molecular Formula : C3H 7NO2
Molecular Weight: 89.09
Cas No .: [ 56-41-7 ]
Characteristics : White crystalline powder, odorless, having a peculiar sweetness. Freely soluble in water and in formic acid, almost insoluble in ethanol and in ether.
Quality Standards: AJI92, USP26, CP2000, etc. |
Specification Sheet
( AJI92 ) |
|
Expiry Period: 2 years
Packaging: 25kg/ pp woven bag
25kg/carton
25kg/drum |
|
Items |
Specifications |
Appearance |
White crystalline powder |
Assay (C3H7NO2) ,%(on dried basis) |
99.0~101.0 |
Specific rotation |
+14.3°~ +15.2° |
State of solution, % |
≥98.0 |
Chloride(as Cl),% |
≤0.020 |
Ammonium (as NH4),% |
≤0.02 |
Sulphate (as SO4),% |
≤0.020 |
Iron(as Fe), ppm |
≤10 |
Heavy metals (as Pb), ppm |
≤10 |
Arsenic(as As2O3), ppm |
≤1 |
Other amino acids |
meets the requirements |
Loss on drying, % |
≤0.20 |
Residue on ignition(as sulphated ash), % |
≤0.10 |
pH value ( 1.0g /20mL water) |
5.7~6.7 |
|
|
|
|
