L-Phenylalanine 98.5+%
Supplier: Thermo Fisher Scientific
Certificates
About this item
CAS Number:63-91-2
:
Formula:C₉H₁₁NO₂
MDL Number:MFCD00064227
:165.19 g/mol
Merck Index:14,07271
Boiling Pt:313 °C (1013 hPa)
Melting Pt:270…275 °C (dec.)
Density:0,754 g/cm³ (20 °C)
Storage Temperature:Ambient
EINECS:200-568-1
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
Specification Test Results
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