Molecular Formula: C3H7NO2S
CAS: 52-90-4
Properties: white crystalline powder, odorless sweetness, Melted and decomposed at 228℃. Racemizated at pH9. Lost a lot when acid hydrolyzed protein. Decomposed in hot dilute alkaline aqueous. Soluble in water(38g/100mL) ; insoluble in ether and ethanol.
Usage: nutritional supplements
Quality Standard: Food grade
|
Items |
Standard |
|
properties |
white crystalline powder |
|
identified |
qualified |
|
specific rotation |
+13.6°—+16.0° |
|
luminousness(%) |
99.9 min |
|
iron(ppm) |
10 |
|
havy metal(ppm) |
10 |
|
arsenic(ppm) |
1 |
|
other amino acid(%) |
0.5 |
|
drying shrinkage(%) |
0.3 |
|
ignition residue(%) |
0.1 |
|
content(%) |
98.5—101.5 |
|
pH value |
5.9 |
Packaging: 25KG / barrel
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 year |
