L-Alanine free acid

L-Alanine free acid

L-Alanine free acid
C3H7NO2

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CAS: 56-41-7
Formula: C3H7NO2 
Molecular Weight: 89.09
Purity (on dry basis): 99 - 101 %
Transmittance: > 98.0 %
pH: 5.7 - 6.7
Foreign amino acid: < 0.2 %
Loss on drying: < 0.2%
Sulfates: < 0.02 %
Chloride: < 0.02 %
Ammonium: < 0.02 %
Arsenic: < 1 ppm
Heavy metals: < 10 ppm
Iron: < 10 ppm
Specific rotation [α]20D : +14.3 - +15.2 °
Residue on ignition: < 0.1 %
Storage: Room temperature
Stability: At least 2 years.

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