L-THREONINE
L-THREONINE For Biochemistry
Allo-free pyrogen free for bacteriology and tissue culture.
Short Name: L-THREONINE
Synonym: (2S,3R)-2-Amino-3-hydroxybutyric acid
Basic Details
Article No.
LG4551
Grade
For Biochemistry
Purity
99%
CAS No.
72-19-5
HS Code
2922.5090
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
White crystalline
pH value
5 - 6 at 60 g/l at 25 °C
Melting point/ Freezing point [°C]
256 °C
Solubility in water [% weight]
60 g/l at 20 °C - completely soluble
Chemical Specifications
Appearance
White crystalline powder
Assay (by HClO4 titration)
Min 99%
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