L CYSTINE EMPROVE PH EUR
ürün Kodu : 102737.1000Sorunuz!
102737.1000
L-CYSTINE EMPROVE PH EUR
Ürün bilgisi | |||
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Grade | Ph Eur | ||
Hill Formula | C6H12N2O4S2 | ||
HS Code | 2930 90 13 | ||
EC number | 200-296-3 | ||
Molar mass | 240.29 g/mol | ||
CAS number | 56-89-3 |
Kimyasal ve fiziksel veri | |||
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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) |
Güvenlik bilgisi | |||
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RTECS | HA2690000 | ||
Storage class | 10 - 13 Other liquids and solids | ||
WGK | NWG not water endangering |
Spesifikasyonlar | |
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Assay (bromatometric, calculated on dried substance) | 98.5 - 101.0 % |
Identity (IR-spectrum) | passes test |
Appearance | black to almost black, fine powder |
Appearance of solution (100 g/l, hydrochloric acid 2 mol/l) | clear and not more intense in color than reference solution Y7 |
Spec. rotation (α 20/D, 20 g/l, hydrochloric acid 1 mol/l, calc. on dried substance) | -218° to -224° |
Chloride (Cl) | ≤ 0.02 % |
Sulfate (SO4) | ≤ 0.03 % |
Heavy metals (as Pb) | ≤ 0.001 % |
Fe (Iron) | ≤ 0.001 % |
NH4 (Ammonium) | ≤ 0.02 % |
Ninhydrin - positive substances (TLC) | ≤ 0.2 % |
Ninhydrin - positive substances (LC) (largest single impurity) | ≤ 0.2 % |
Residual solvents (Ph. Eur./ICH) | excluded by manufacturing process |
Sulfated ash (600 °C) | ≤ 0.1 % |
Loss on drying (105 °C) | ≤ 0.5 % |
Residues of metal catalysts or metal reagents acc. to EMEA/CHMP/SWP/4446/2000 are not likely to be present. | |
Corresponds to Ph. Eur. |