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L-Cysteine HCL Monohydrate
|
Product |
L-Cysteine HCL Monohydrate |
|
CAS No. |
7048-04-6 |
|
Molecular Formula |
C3H10ClNO3S |
|
Molecular Weight |
175.63 |
|
Structural Formula |
|
|
Quality Standard |
AJI92 |
|
Packing |
25kg per drum with inner PE bag |
|
Shelf Life |
2 Years Preserve in well-closed containers and protected from light |
|
Specification |
Standard |
|
Appearance |
White crystals or crystalline powder |
|
Identification |
Infrared Absorption |
|
Assay |
98.5% ~ 101.5% |
|
Specific rotation［α］D25 |
+5.5°~ +8.0° |
|
State of solution |
≥98.0% |
|
Sulfate(SO4) |
≤0.03% |
|
Chloride(Cl) |
19.89%~20.29% |
|
Iron(Fe) |
≤30ppm |
|
Heavy metals |
≤10ppm |
|
Loss on drying |
8.5% ~ 12.0 % |
|
Residue on ignition |
≤0.10% |
|
Residual Solvents |
Meets the requirements |
|
Particle Size |
95%Min pass 12mesh |
|
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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