L-ALANINE For Biochemistry

Description

Physical state at 20 °C	Solid	Colour	White crystalline
Melting point/ Freezing point [°C]	210°C	Density [g/cm3]	1.437
Solubility in water [% weight]	Soluble in water

Appearance	White Crystalline Powder
Assay (by HClO4 titration)	Min 99.0%
Heavy metal (as Pb)	Max 0.001%
Ammonium (NH4)	Max 0.01%
Foreign amino acids	Max 0.3%
Ninhydrine positive substances (as glycine)	Max 0.1%
Specific optical rotation ([α]20/D)	+14 to +15 deg

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