L-PHENYLALANINE For Biochemistry

L-PHENYLALANINE For Biochemistry

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Category: Amino Acids & Derivatives

Description
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Description

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

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

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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%

Packings

25 g	00025
500 g	00500

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