L-PHENYLALANINE
L-PHENYLALANINE For Biochemistry
Short Name: L-PHENYLALANINE
Synonym: (S)-2-Amino-3-phenylpropionic acid
Basic Details
Article No.
LG3485
Grade
For Biochemistry
Purity
99%
CAS No.
63-91-2
HS Code
2922.4990
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
White crystalline
Odour
Odorless
pH value
5 - 7 at 16.5 g/l at 25 °C
Melting point/ Freezing point [°C]
270 - 275 °C
Density [g/cm3]
1.29
Solubility in water [% weight]
16.5 g/l at 20 °C - completely soluble
Chemical Specifications
Appearance
White or almost white crystalline powder
Assay (by HClO4 titration)
Min 99%
Specific optical rotation ([α]20/D; 20 g/L; water; calculated on dried substances)
-33.0° to -34.7°
Heavy metal (as Pb)
Max 0.001%
Ammonium (NH4)
Max 0.01%
Foreign amino acids
Max 0.3%
Other ninhydrin positive substances (as glycine)
Max 0.1%
Safety Information & Hazard Symbols