S-Carboxymethyl-L-Cysteine
Name:S-Carboxymethyl-L-Cysteine
Properties:White
crystal or crystalline powder, odorless, slight soluble
in hot water or water, insoluble in ethanol, glacial
acetic acid or acetone, easily soluble in acid or
alkali solutions.
| Item |
Index |
| Specific
rotatory power[α] D20 |
-33.5º
— 36.5º |
| Transmittance
|
≥98.0%
|
| Chloride(C1) |
≤0.04%
|
| Ammonium salt(NH4) |
≤0.02%
|
| Sulfate(SO4) |
≤0.02%
|
| Residue on
ignition |
≤0.10%
|
| Iron(Fe) |
≤30
ppm |
| Heavy metal(Pb) |
≤10
ppm |
| Arsenic(As203) |
≤1
ppm |
| Other amino
acid |
None |
| Loss on drying
|
≤0.30% |
| Assay |
98.5
— 101.0% |
Used as mucolytio in pharmaceutical filed.
Packed in cardboard drum with the
lining of two layers of plastic bags. NW:25 KG per
drum.
