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LC254 L-Alaninesuitable for use as excipient EMPROVE exp Ph Eur,USP |
Order number | Packaging | Quantity | Price € |
AC27254 | Plastic bottle | 100 g | Inquire |
AC27254 | Plastic bottle | 1 kg | Inquire |
AC27254 | Plastic drum | 10 kg | Inquire |
Product information | |
Grade | Ph Eur,USP |
Synonyms | 2-Aminopropionic acid, Ala |
Hill Formula | C3H7NO2 |
HS Code | 2922 49 85 |
EC number | 200-273-8 |
Molar mass | 89.09 g/mol |
CAS number | 56-41-7 |
Chemical and physical data | |
Solubility | 166.5 g/l (25 °C) |
Melting point | 295 – 297 °C (decomposition) |
Molar mass | 89.09 g/mol |
Density | 1.40 g/cm3 (20 °C) |
Bulk density | 660 kg/m3 |
pH value | 5.5 – 6.5 (100 g/l, H2O, 20 °C) |
Safety information |
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RTECS | AY2990000 |
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 crystalline powder or colorless crystals |
Appearance of solution (25 g/l, water) | clear and not more intense in color than reference solution BY6 |
Spec. rotation – α 20/D, 100 g/l, hydrochloric acid 250 g/l, calc. on dried substance |
+13.5° to +15.5° |
– α 25/D, 100 g/l, hydrochloric acid 6 mol/l, calc. on dried substance | +13.7° to +15.1° |
pH (50 g/l CO2-free water) | 5.5 – 7.0 |
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) | 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 |
Corresponds to Ph. Eur., USP. |
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