Product Name : (+)-2-Amino-3-mercaptopropionic acid
Molecular Formula: C3H7NO2S
Molecular Weight: 121.15
Cas No: [52-90-4]
Characteristics: White crystalline powder; tasteless, easily
soluble in water but insoluble in alcohol and ether
Quality Standards: AJI92
Item |
Specifications (AJI92) |
Description |
White crystals or crystalline powder |
Identification |
Meets the requirements |
Specific rotation [a]D20° |
+8.3 °- +9.5° |
State of solution |
≥ 95.0% |
Chloride (Cl) |
≤ 0.04% |
Ammonium (NH4) |
≤ 0.02% |
Sulfate (SO4) |
≤ 0.030% |
Iron (Fe) |
≤ 10PPm |
Heavy metals (Pb) |
≤ 10PPm |
Arsenic (As2O3) |
≤ 1PPm |
Other amino acids |
conforms |
Loss on drying |
≤ 0.5% |
Residue on ignition (sulfated) |
≤ 0.1% |
Assay |
98.0-101.0% |
PH |
4.5-5.5 |
Packaging and Storage: In 25kgs fiber drum double polyethylene bags inside; Preserve in well-closed containers, at controlled room temperature.
Recommended limit: 1 year.
