| send us an inquiry |
| LC1780 L-Cystine extra pure FCC |
| Order number | Packaging | Quantity | Price € |
| AC28780 | Plastic bottle | 1 kg | Inquire |
| AC28780 | Double PE Sack | 25 kg | Inquire |
| Product information | |
| Grade | FCC |
| Hill Formula | C6H12N2O4S2 |
| HS Code | 2930 90 13 |
| EC number | 200-296-3 |
| Molar mass | 240.29 g/mol |
| CAS number | 56-89-3 |
| Chemical and physical data | |
| Ignition temperature | 400 °C |
| Solubility | (20 °C) insoluble |
| Melting point | 261 – 262 °C (decomposition) |
| Molar mass | 240.29 g/mol |
| Density | 1.677 g/cm3 (20 °C) |
| Bulk density | 300 kg/m3 |
| pH value | >1 (H2O, 20 °C) |
| Safety information | |
| RTECS | HA2690000 |
| Storage class | 10 – 13 Other liquids and solids |
| WGK | NWG not water endangering |
| Specifications | |
| Assay (ex N, calc. on dried substance) | 98.5 – 101.5 % |
| Identity (IR-spectrum) | passes test |
| Appearance | white to almost white, fine powder |
| Appearance of solution (50 g/l, hydrochloric acid 1 mol/l) | clear and colorless. |
| Spec. rotation (α 20/D, 20 g/l, hydrochloric acid 1 mol/l, calc. on dried substance) | -215 ° to -225 ° |
| Pb (Lead) | ≤ 0.0005 % |
| Ninhydrin – positive substances (TLC) | ≤ 0.2 % |
| Sulfated ash (800 °C) | ≤ 0.1 % |
| Loss on drying (105 °C; 3 h) | ≤ 0.2 % |
 |