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LC5906 L-Tyrosinesuitable for use as excipient |
| Order number | Packaging | Quantity | Price € |
| AC32906 | Plastic bottle | 1 kg | inquire |
| AC32906 | Plastic drum | 10 kg | inquire |
| Product information | |
| Synonyms | 4-Hydroxyphenylalanine |
| Hill Formula | C9H11NO3 |
| HS Code | 2922 50 00 |
| EC number | 200-460-4 |
| Molar mass | 181.19 g/mol |
| CAS number | 60-18-4 |
| Chemical and physical data | |
| Solubility | 0.38 g/l (20 °C) |
| Melting point | 297 – 298 °C (decomposition) |
| Molar mass | 181.19 g/mol |
| Density | 1.46 g/cm3 (20 °C) |
| Bulk density | 300 kg/m3 |
| pH value | 6.5 (0.1 g/l, H2O) |
| Safety information | |
| RTECS | YP2275600 |
| Storage class | 10 – 13 Other liquids and solids |
| WGK | NWG not 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. |
| Toxicological data | |
| LD 50 oral | LD50 rat > 5110 mg/kg |
| Specifications | |
| Assay (perchloric acid titration, calculated on dried substance) | 99.0 – 101.0 % |
| Identity (IR-spectrum) | passes test |
| Appearance | white to almost white, crystalline powder or colorless crystals |
| Appearance of solution (25 g/l, Hydrochloric acid 2 mol/l) | clear and not more intense in color than reference solution Y7 |
| Spec. rotation – α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance |
-11.0° to -12.3° |
| – α 25/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance | -9.8° to -11.2° |
| Chloride (Cl) | ≤ 200 ppm |
| Sulfate (SO4) | ≤ 300 ppm |
| Heavy metals (as Pb) | ≤ 10 ppm |
| NH4 (Ammonium) | ≤ 200 ppm |
| Fe (Iron) | ≤ 10 ppm |
| Ninhydrin – positive substances (total (TLC)) | ≤ 0.5 % |
| Ninhydrin – positive substances (LC) (phenylalanine) | ≤ 0.5 % |
| Residual solvents (Ph. Eur./USP/ICH) | excluded by manufacturing process |
| Sulfated ash (600 °C) | ≤ 0.1 % |
| Loss on drying (105 °C; 3 h) | ≤ 0.3 % |
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