D-(-)-Valine 98+%

Supplier: Thermo Scientific
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227220250 227220050
ACRO227220250EA 87.1 GBP
ACRO227220250 ACRO227220050
D-(-)-Valine 98+%
D(-)-Valine
Formula: C₅H₁₁NO₂
Boiling Pt: 217 °C (1013 hPa)
Melting Pt: 302…303 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00064219
CAS Number: 640-68-6
EINECS: 211-368-9

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Specification Test Results

Appearance White to off-white Crystalline powder
Infrared spectrum Conforms
Water ≤0.5 %
Loss on drying ≤0.5 % (105°C, 4 hrs)
Sulfated ash ≤0.2 %
TLC ≤1 % L-enantiomer
Specific optical rotation -26° to -29° (20°C, 589 nm) (c=5, 5 N HCl)
Titration with HClO4 98.0 to 102.0 %

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