DL-Serine
English name: DL-Serine or 2-Amino-3-Hydroxypropionic acid
CAS-NO: [302-84-1]
Molecular formula: C3H7NO3
Molecular weight : 105.09
Appearance: white or white-like crystalline powder
Quality standard (FCC-IV):
Assay % |
≥99% |
Acidity(PH)( 0.3g /30ml solution ) |
5.2-6.2 |
Sulfate(SO42-)% |
≤0.02 |
ammonium salt (NH4+)% |
≤0.02 |
Other amino acids % |
≤0.5 |
Loss on dry % |
≤0.3 |
Transmissibility of solution T(lg/20ml solution,430nm)% |
≤95.0 |
Chloride(CL-)% |
≤0.02 |
Residue on ignition % |
≤0.1 |
Ferric salt (Fe) |
≤10ppm |
Heavy metals (Pb) |
≤10ppm |
As (As) |
≤1ppm |
Packing : 25KG/DRUMS(Or according to the customer's request)
Use :the material of amino acid and medicine.