Molecular Formula: C6H9N3O2·H2O
CAS：56-89-3
Properties: white crystal and white crystalline powder. Odorless, slightly acidity, bitter. Melted(after drying) and decomposed at 250℃. Stability. Acidity in aqueous(pH value is 3.5-4.5). Soluble in water(39g/100mL, 24℃). Insoluble in ethanol and ether. Infant’s essential amino acid.
Usage: nutritional supplements
Quality Standard: QB/T1118-91
|
Items |
standard |
|
luminousness (%) |
98.0 min |
|
specific rotation (°) |
+24.0—+26.0 |
|
chlorid (%) |
0.02 max |
|
sulfate (%) |
0.03 max |
|
Iron (%) |
0.001 max |
|
heavy metal (%) |
0.001 max |
|
Arsenic (%) |
0.0001 max |
|
other amino acid |
Not detected by TLC |
|
drying shrinkage (%) |
0.5 max |
|
ignition residue (%) |
0.10 max |
|
content (%) |
98.5-101.5 |
Packaging: 25KG/barrel
Transportation: avoid sun and rain, be transported as general chemicals but with no toxic, hazard materials.
Storage: stored in a dry clean dark environment, and not be mixed with toxic substances to avoid contamination
Shelf life: two years
|
