Cysteine Hydrochloride Monohydrate for biochemistry
ürün Kodu : 102839.0025Sorunuz!
102839.0025
L-Cysteine hydrochloride monohydrate for biochemis
| Ürün bilgisi | |||
|---|---|---|---|
| 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 | ||
| Kimyasal ve fiziksel veri | |||
|---|---|---|---|
| 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) | ||
| Güvenlik bilgisi | |||
|---|---|---|---|
| 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. |
||
| Spesifikasyonlar | |
|---|---|
| Assay (iodometric, calc. on dried substance) | ≥ 99.0 % |
| Identity (IR-spectrum) | passes test |
| Appearance | black, crystalline powder or colorless crystals. |
| Appearance of solution (1 mol/l, water) | Clear and colorless. |
| Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance) | +6.3° to +7.3° |
| UV-Absorption (280 nm; 1 mol/l; 1 cm; water) | ≤ 0.1 |
| 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) | ≤ 0.02 % |
| NH4 (Ammonium) | ≤ 0.01 % |
| Zn (Zinc) | ≤ 0.0005 % |
| Foreign amino acids | ≤ 0.3 % |
| Other ninhydrine positive substances | ≤ 0.1 % |
| Loss on drying (Vacuum < 0.7 kPa, P2O5, 24 h) | 9.0 - 11.5 % |