Molecular Formula: C4H7NO4
CAS：56-84-8
Properties: achromaticity or white crystal aggregate and white crystalline powder. Odorless, slightly acidity. Insoluble in water, soluble in hot water. Soluble in acidity, alkaline and saline solution. Insoluble in ethanol and ether.
Usage: nutritional supplements, flavor enhancer
Quality Standard: QB/T1118-91
|
Items |
standard |
|
Iminousness (%) |
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 |
