Description
Product Name: L-Cysteine Hydrochloride Anhydrous
CAS No.: 52-89-1
EINECS No.: 200-157-7
Molecular Weight: 157.6147
Chemical Formula: C3H8ClNO2S
Description: White crystals or crystalline powder.
Melting Point: 220 ºC
Specification:
|
Specific rotation [α]D20: |
+5.6° to +8.9° |
|
Assay: |
98.0% to 101.0% |
|
Loss on drying: |
1.0% max. |
|
Iron [Fe]: |
10ppm max. |
|
Heavy metals [Pb]: |
10ppm max. |
|
Arsenic [As2O3]: |
1ppm max. |
|
Residue on ignition [sulfated]: |
0.10% max. |
|
Other amino acids: |
Not detectable (Chromatographically) |
|
State of solution: Transmittance: |
Clear and colorless 98.0% min. |
|
Total Plate Count: |
Less than 3000 cfu/g |
|
E. Coli: |
Negative |
|
Salmonella: |
Negative |