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

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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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