L-Cysteine
Hydrochloride Monohydrate
Name:L-Cysteine
Hydrochloride Monohydrate
Properties:
White crystal or crystalline
powder,odorless, flavorless, easily
soluble in water, insoluble in
alcohol and ether.
Quality
index:
| Item |
Index |
| Specific
rotatory power[α]
D20 |
+5.5º
— +7.0º |
| Clarity |
≥98.0% |
| Ammonium
salt[NH4] |
≤0.02% |
| Chlorine
content[CL] |
19.89
— 20.29% |
| Residue
on ignition |
≤0.10% |
| Iron
salt[Fe] |
≤10
ppm |
| Heavy
metal[Pb] |
≤10
ppm |
| Arsenic
salt |
≤1
ppm |
| Other
amino acid |
Color
layer can not be checked out. |
| Loss
on drying |
8.5
— 12.0% |
| Content
|
98.5
— 100.5% |
Used in biochemical reagent,
nutrient, antioxidant etc..
Storage:
Stored in sealed container at
room temperature.
Packing:
Packed in cardboard drum with
the lining of two layers of plastic
bags. NW:25 KG per drum.
