L-ISOLEUCINE
L-ISOLEUCINE For Biochemistry
Short Name: L-ISOLEUCINE
Synonym: (2S,3S)-2-Amino-3-methylpentanoic acid
Basic Details
Article No.
LG2606
Grade
For Biochemistry
Purity
99%
CAS No.
73-32-5
HS Code
2922.4990
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
White powder
Odour
Odorless
Melting point/ Freezing point [°C]
288 °C
Solubility in water [% weight]
Partially soluble in water
Chemical Specifications
Appearance
White powder
Assay (by HClO4 titration)
Min 99%
Specific optical rotation ([α]20/D; 40 g/L 6M HCl; on dried substance)
+40 to +43 deg
Specific optical rotation ([α]25/D; 40 g/L in 6M HCl; on dried substance)
+38.9 to +41.8 deg
pH (1% solution in CO2 free water)
5.5 - 7.0
Chloride (Cl)
Max 0.02%
Sulphate (SO4)
Max 0.03%
Iron (Fe)
Max 0.001%
Heavy metal (as Pb)
Max 0.001%
Ammonium (NH4)
Max 0.02%
Foreign amino acids
Max 0.5%
Other ninhydrin positive substances (as glycine)
Max 0.1%
Safety Information & Hazard Symbols