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L-PHENYLALANINE For Biochemistry
(S)-2-Amino-3-phenylpropionic acid
MSDS
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COAs
Packings
25 g
(00025)
500 g
(00500)
Print friendly version
Article No.
05200
Grade
For Biochemistry
Purity
99%
CAS No.
63-91-2
Molecular Formula
C
9
H
1
1
NO
2
Molecular Weight
165.19
H.S. Code
2922.4990
Shelf Life
60 Months
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
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%
Revision Date:
02-Apr-2021
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