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LC4996 L-Serinesuitable for use as excipient |
Order number | Packaging | Quantity | Price € |
AC31996 | Plastic bottle | 1 kg | Inquire |
Product information | |
Synonyms | 3-Hydroxy-L-alanine |
Hill Formula | C3H7NO3 |
HS Code | 2922 50 00 |
EC number | 200-274-3 |
Molar mass | 105.09 g/mol |
CAS number | 56-45-1 |
Chemical and physical data | |
Solubility | 364 g/l (20 °C) |
Melting point | 215 – 225 °C decomposes |
Molar mass | 105.09 g/mol |
Bulk density | 570 kg/m3 |
pH value | 5 – 6 (100 g/l, H2O, 20 °C) |
Safety information | |
RTECS | VT8100000 |
Storage class | 10 – 13 Other liquids and solids |
WGK | WGK 1 slightly water endangering |
Disposal | 3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. |
Specifications | |
Assay (perchloric acid titration, calculated on dried substance) | 98.5 – 101.0 % |
Identity (IR-spectrum) | passes test |
Appearance | white to almost white or colorless, needle-shaped crystals |
Appearance of solution (50 g/l; water) | clear and not more intense in color than reference solution BY6 |
Spec. rotation – α 20/D, 100 g/l, hydrochloric acid 2 mol/l, calc. on dried substance |
+14.0 to +16.0° |
– α 25/D, 100 g/l, hydrochloric acid 2 mol/l, calc. on dried substance | +14.0° to +15.6° |
Chloride (Cl) | ≤ 0.02 % |
Sulfate (SO4) | ≤ 0.03 % |
Heavy metals (as Pb) | ≤ 0.001 % |
Fe (Iron) | ≤ 0.001 % |
NH4 (Ammonium) | ≤ 0.02 % |
Ninhydrin – positive substances (total (TLC)) | ≤ 0.5 % |
Residual solvents (Ph.Eur./USP/ICH) class 2 (Methanol) | ≤ 0.3 % |
Other residual solvents (Ph. Eur./USP/ICH) | excluded by manufacturing process |
Organic volatile impurities (according to USP) | conforms |
Sulfated ash (600 °C) | ≤ 0.1 % |
Loss on drying (105 °C; 3 h) | ≤ 0.2 % |
Bacterial endotoxins | ≤ 2.0 I.U./g |
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