L-Cysteine
Name:L-Cysteine
Properties:White
crystal or crystalline powder, odorless, flavorless,
insoluble in alcohol or ether.
| Item |
Index |
| Specific
rotatory power[α] D20 |
+7.0
— +9.0º |
| Clarity |
≥95.0% |
| Ammonium
salt[NH4] |
≤0.02% |
| Chloride[CL] |
≤0.02% |
| Residue
on ignition |
≤0.02% |
| Sulfate[SO4] |
≤0.02% |
| Iron
salt[Fe] |
≤30
ppm |
| Heavy
metal[Pb] |
≤10
ppm |
| Arsenic
salt |
≤1
ppm |
| Sulfate |
≤0.03% |
| Loss
on drying |
≤0.50% |
| Content
|
98.5—101.0% |
Used in biochemical reagent, nutrient, antioxidant
and food additive etc..
Storage:
Filled with nitrogen at room temperature or stored
in sealed container.
Packing:
Packed in cardboard drum with the
lining of two layers of plastic bags. NW:25 KG per
drum.
