Specification Sheet
Chemical Name： (s)-2-Amino propionic acid
Molecular Formula： C3H7NO2
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
|
Items |
Specifications |
|
Identification, (IR) |
Positive |
|
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 |
|
