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 Products
L-Cysteine HCL MONO
| Test Items |
Standards |
Infrared Absorptions |
Meets the requirements |
White crystals or crystalline powder |
Meets the requirements |
Specific Rotation [α]D20 |
+5.5°to +7.0° |
State of solution
(Transmittance) |
clear and colorless
not less than 98.0% |
Chloride(CI) |
19.89 to 20.29% |
Ammonium(NH4+) |
not more than 0.02% |
Sulfate (SO42- ) |
not more than 0.020% |
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 |
8.5 to 12.0% |
Residue on ignition
(sulfated) |
not more than 0.10% |
Assay |
99.0% to 100.5% |
PH |
1.5 to 2.0 |
Pyrogen |
Nonpyrogenic |
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