| send us an inquiry |
LC2990 L-Histidine monohydrochloride monohydratefor biochemistry |
| Order number | Packaging | Quantity | Price € |
| AC29990 | Plastic bottle | 25 g | 18.45 |
| AC29990 | Plastic bottle | 100 g | 38.475 |
| AC29990 | Plastic bottle | 500 g | 171.90 |
| AC29989 | Plastic drum | 10 kg | inquire |
| Product information | |
| Hill Formula | C6H9N3O2 * ClH * H2O |
| HS Code | 2933 29 90 |
| EC number | 211-438-9 |
| Molar mass | 209.64 g/mol |
| CAS number | 5934-29-2 |
| Chemical and physical data | |
| Solubility | 169.9 g/l (20 °C) |
| Melting point | 259 °C (decomposition) |
| Molar mass | 209.64 g/mol |
| Bulk density | 770 kg/m3 |
| pH value | 3.5 – 4.5 (100 g/l, H2O, 20 °C) |
| Safety information | |
| RTECS | MS3119000 |
| 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 (alcalimetric, calculated on anhydrous substance) | ≥ 99.0 % |
| Identity (IR-spectrum) | passes test |
| Appearance | white to almost white crystalline powder or colorless crystals |
| Appearance of solution (0.5 mol/l, water) | clear and colorless. |
| Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance) | +8.5 ° to +10.5 ° |
| UV-Absorption – 260 nm; 0.5 mol/l; 1 cm; water |
≤ 0.05 |
| – 280 nm; 0.5 mol/l; 1 cm; water | ≤ 0.05 |
| Sulfate (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) | ≤ 0.005 % |
| NH4 (Ammonium) | ≤ 0.01 % |
| Zn (Zinc) | ≤ 0.0005 % |
| Foreign amino acids | ≤ 0.3 % |
| Other ninhydrine positive substances | ≤ 0.1 % |
| Water (according to Karl Fischer) | 8.0 – 9.0 % |
 |
Loss on drying (105 °C; 3 h)