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| LC1777 L-Cysteine hydrochloride monohydrate suitable for use as excipient exp Ph Eur,USP |
| Order number | Packaging | Quantity | Price € |
| AC28777 | Plastic bottle | 100 g | Inquire |
| AC28777 | Plastic bottle | 1 kg | Inquire |
| AC28777 | Plastic drum | 10 kg | Inquire |
| Product information | |
| Grade | Ph Eur,USP |
| Hill Formula | C3H8ClNO2S * H2O |
| HS Code | 2930 90 16 |
| EC number | 200-157-7 |
| Molar mass | 175.64 g/mol |
| CAS number | 7048-04-6 |
| Chemical and physical data | |
| Solubility | 650 g/l (20 °C) |
| Melting point | 168 – 170 °C |
| Molar mass | 175.64 g/mol |
| Bulk density | 780 kg/m3 |
| pH value | 0.8 – 1.2 (100 g/l, H2O, 20 °C) |
| Safety information | |
| RTECS | HA2285000 |
| 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 (iodometric, calc. on dried substance) | 98.5 – 101.0 % |
| Identity – IR-spectrum |
passes test |
| – chloride | passes test |
| Appearance | white to almost white crystalline powder or colorless crystals |
| Appearance of solution (25 g/l, water) | clear and not more intense in color than reference solution BY6 |
| Spec. rotation – α 20/D, 80 g/l, hydrochloric acid 250 g/l, calc. on dried substance |
+5.5° to +7.0° |
| – α 25/D, 80 g/l, hydrochloric acid 6 mol/l, calc. on dried substance | +5.7° to +6.8° |
| Sulfate (SO4) | ≤ 300 ppm |
| Heavy metals (as Pb) | ≤ 10 ppm |
| Fe (Iron) | ≤ 20 ppm |
| NH4 (Ammonium) | ≤ 200 ppm |
| Ninhydrin – positive substances (total (TLC)) | ≤ 0.5 % |
| Residual solvents (Ph. Eur./USP/ICH) | excluded by manufacturing proces |
| Sulfated ash (600 °C) | ≤ 0.1 % |
| Loss on drying (Vacuum < 0.7 kPa, P2O5, 24 h) | 8.0 – 12.0 % |
| Bacterial endotoxins | ≤ 6.0 I.U./g |
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