L-缬氨酸 99%
供应商: Thermo Fisher Scientific
140811000
140815000
ACRO140811000EA
0
CNY
ACRO140811000
ACRO140815000
L-缬氨酸 99%
L-缬氨酸
分子式:
C₅H₁₁NO₂ 沸点: 217 °C (1013 hPa) 溶点: 315 °C 密度: 1,23 g/cm³ 存储条件: Ambient |
MDL编号:
MFCD00064220 CAS号: 72-18-4 EINECS: 200-773-6 Merck Index: 13,09458 |
产品技术规格
Appearance | White Powder or crystals |
Infrared spectrum | Conforms |
Loss on drying | ≤0.3 % |
Sulfated ash | ≤0.1 % |
Specific optical rotation | +26.5° to +29.0° (20°C, 589 nm) (c=8, 6 N HCl) |
Titration with HClO4 | ≥98.5 % |
Chloride (Cl) | ≤500 ppm |
Sulfate (SO4) | ≤300 ppm |
Ammonium (NH4) | ≤200 ppm |
Iron (Fe) | ≤30 ppm |
Heavy metals (as Pb) | ≤10 ppm |
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