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(S)-2-Amino-4-methylpentanoic acid

COAs

Packings

25 g (00025)

100 g (00100)

1000 g (01000)

1PW1200060 1PW1200100 1PW1202500
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Article No. 04395 Grade For Biochemistry
Purity 99% CAS No. 61-90-5
Molecular Formula C6H13NO2 Molecular Weight 131.18
H.S. Code 2922.4990 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White shining powder
Melting point/ Freezing point [°C] > 300 °C Density [g/cm3] 1.293
Solubility in water [% weight] Soluble in water

Specifications

Appearance White crystalline powder. Assay (by HClO4 titration) Min 99%
Specific optical rotation ([α]20/D; c=4 in 6 M HCl; on dried substance) +14.9 to +16.50 deg pH (1% solution) 5.5 - 7.0
Appearance of solution Passes test Insoluble matter in HCl 1 mol/L Passes test
Loss on drying (at 105°C) Max 0.2% Residue on ignition (as SO4) Max 0.1%
Chloride (Cl) Max 0.05% 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 0.3%
Other ninhydrin positive substances (as glycine) Max 0.1%
Revision Date: 17-Oct-2020

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