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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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