L-Phenylalanine 98.5+%
Supplier: Thermo Scientific
ACRO130311000EA
117
EUR
ACRO130311000
ACRO130310250
ACRO130315000
ACRO130310025
L-Phenylalanine 98.5+%
L-Phenylalanine
Specification Test Results
Appearance | White to off-white Crystalline powder or crystals |
Infrared spectrum | Conforms |
Loss on drying | ≤0.3 % (105°C, 3 hrs) |
Sulfated ash | ≤0.1 % |
pH | 5.4 to 6.0 (1 % in water) |
Specific optical rotation | -33.0° to -35.2° (20°C, 589 nm) (c=2, water) (on dried substance) |
Titration with HClO4 | 98.50 to 102.00 % (On dried basis) |
Lead (Pb) | ≤10 ppm |
Heavy metals (as Pb) | ≤20 ppm |
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