Molecular Formula: C5H9NO4
CAS: 56-86-0
Properties: achromaticity or white crystalline or white crystalline powder. Odorless and tasteless, special acidity. Melting and separate out water at 160℃. Decomposed at 224-225℃. Aqueous solution is acidity. The pH value of saturated solution is 3.2. Insoluble in water(0.72mg/100mL, 20℃; 6.66g/100mL, 80℃).
Usage: nutritional supplements, flavor enhancers, salty enhancers
Application: widely used in seasoning and health food.
Quality Standard: GB/10794-89
|
Items |
Standard |
|
appearance |
white or off white power |
|
specific rotation |
+31.5°―+32° |
|
Chloride(%) |
0.02 max |
|
ammonium salt(%) |
0.02 max |
|
Iron(ppm) |
10 max |
|
heavy metal(ppm) |
10 max |
|
arsenic(ppm) |
1 max |
|
other amino acids |
not detected by TLC |
|
drying shrinkage(%) |
1 max |
|
ignition residue(%) |
0.1 max |
|
Content(%) |
99.0-100.5 |
|
acidity(pH value) |
3.0―3.5 |
Packaging: 25KG / box
Transportation: avoid sun and rain, be transported as general chemicals but with no toxic, hazard materials.
Storage: stored in dry clean dark environment, and not be mixed with toxic substances to avoid contamination. Shelf life: two years |
