
PRODUCTS
L-Cysteine HCL Anhydrous
Product |
L-Cysteine Hydrochloride Anhydrous |
CAS No. |
52-89-1 |
EINECS |
200-157-7 |
Molecular Formula |
C3H8ClNO2S |
Molecular Weight |
157.62 |
Structural Formula |
|
Quality Standard |
AJI92 |
Packing |
25kg per drum with inner PE bag |
Shelf Life |
12 Months Preserve in well-closed containers and protected from light |
Specification |
Standard |
Identification |
Infrared Absorption |
Appearance |
White crystalline powder |
Specific rotation[α]D20 |
+5.6o~+8.9o |
State solution(Transmittance) |
Clear and colorless Not less than 98.0% |
Chloride(Cl) |
22.30%~22.60% |
Ammonium(NH4) |
Not more than 0.02% |
Sulphate (SO4) |
Not more than 0.02% |
Iron (Fe) |
Not more than 10ppm |
Heavy metals (Pb) |
Not more than 10ppm |
Arsenic(As2O3) |
Not more than 1ppm |
Other Amino acids |
Chromatographically Not detectable |
Loss on drying |
Not more than 1.0% |
Residue on ignition(Sulfated) |
Not more than 0.1% |
Assay |
98.0~102.0% |
pH value |
1.5~2.0 |
Total plate count |
≤ 1000cfu/g |
Yeast & Molds |
≤ 100cfu/g |
Coliforms |
≤ 10cfu/g |
E Coli |
Negative |
Salmonella |
Negative |
Pseudomonas |
Negative |
S.Aureus |
Negative |
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