L-ISOLEUCINE For Biochemistry

(2S,3S)-2-Amino-3-methylpentanoic acid

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Article No.
04215
Grade
For Biochemistry
Purity
99%
CAS No.
73-32-5
Molecular Formula
C6H13NO2
Molecular Weight
131.18
H.S. Code
2922.4990
Shelf Life
60 Months
MSDS
 

 

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

Packings

  • 1GBA000015

    5 g (00005)

  • 1PW1200060

    25 g (00025)

  • 1PW1202500

    1000 g (01000)

 

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%

Revision Date : 02-Apr-2021
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