L(+)-Valine 99%
Supplier: Thermo Scientific Chemicals
14081-0025
14081-5000
14081-0250
14081-1000
TS14081-0025EA
959
USD
TS14081-0025
TS14081-5000
TS14081-0250
TS14081-1000
L(+)-Valine 99%
L(+)-Valine
Formula:
C₅H₁₁NO₂ Melting Pt: 315 °C Density: 1.23 g/cm³ Storage Temperature: Ambient |
MDL Number:
MFCD00064220 CAS Number: 72-18-4 EINECS: 200-773-6 Merck Index: 13,09458 |
Specification Test Results
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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