L-Tyrosine 1Kg
L-Tyrosine for biochemistry. CAS 60-18-4, pH 6.5 (0.1 g/l, H₂O).
Manufacturer: Merck
Catalog ID: 108371.1000
Stock: In Stock
Description
| Catalogue Number | 108371 |
| Synonyms | 4-Hydroxyphenylalanine, Tyr |
Product Information
| CAS number | 60-18-4 |
| EC number | 200-460-4 |
| Hill Formula | C₉H₁₁NO₃ |
| Molar Mass | 181.19 g/mol |
| HS Code | 2922 50 00 |
Applications
| Application | L-Tyrosine for biochemistry. CAS 60-18-4, pH 6.5 (0.1 g/l, H₂O). |
Physicochemical Information
| Density | 1.46 g/cm3 (20 °C) |
| Melting Point | 297 - 298 °C (decomposition) |
| pH value | 6.5 (0.1 g/l, H₂O) |
| Bulk density | 300 kg/m3 |
| Solubility | 0.38 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat > 5110 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (perchloric acid titration, calculated on dried substance) | 99.0 - 101.0 % |
| Identity (IR-spectrum) | passes test |
| Appearance | white, crystalline powder or colorless crystals |
| Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance) | -11.0 to -12.3 |
| Chloride (Cl) | ≤ 0.02 % |
| Sulphate (SO₄) | ≤ 0.01 % |
| Heavy metals (as Pb) | ≤ 0.001 % |
| As (Arsenic) | ≤ 0.0005 % |
| Ca (Calcium) | ≤ 0.001 % |
| Co (Cobalt) | ≤ 0.0005 % |
| Fe (Iron) | ≤ 0.0005 % |
| K (Potassium) | ≤ 0.0005 % |
| Mg (Magnesium) | ≤ 0.0005 % |
| Na (Sodium) | ≤ 0.01 % |
| NH₄ (Ammonium) | ≤ 0.01 % |
| Zn (Zinc) | ≤ 0.0005 % |
| L-Phenylalanine | ≤ 0.5 % |
| other foreign amino acids | ≤ 0.2 % |
| Other ninhydrine positive substances | ≤ 0.1 % |
| Loss on drying (105 °C; 3 h) | ≤ 0.3 % |
