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L-PHENYLALANINE For Biochemistry

(S)-2-Amino-3-phenylpropionic acid

COAs

Packings

25 g (00025)

500 g (00500)

1PW1200060 1PW1201000
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Article No. 05200 Grade For Biochemistry
Purity 99% CAS No. 63-91-2
Molecular Formula C9H11NO2 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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