L-Alanine 99%, meets analytical specification of Ph.Eur.

Supplier: Thermo Scientific

Synonyms: (S)-(+)-Alanine, H-Ala-OH, L(+)-Alanine, Alanine, L-α-Alanine, A, H-L-Ala-OH, α-Alanine

451850010 451850025 451852500
ACRO451850010EA 190 EUR
ACRO451850010 ACRO451850025 ACRO451852500
L-Alanine 99%, meets analytical specification of Ph.Eur.
L-Alanine
Formula: C₃H₇NO₂
MW: 89,09 g/mol
Boiling Pt: 189 °C (1013 hPa)
Melting Pt: 314…316 °C (dec.)
Density: 1,4 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00064410
CAS Number: 56-41-7

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Specification Test Results

Appearance Colorless to white to almost white Crystals or crystalline powder
Infrared spectrum Conforms
Loss on drying ≤0.5 % (1 g, 105°C)
Sulfated ash ≤0.1 % (1 g, 600°C)
Appearance of solution Clear and not more intensely colored than reference solution BY6
Specific optical rotation +13.5° to +15.5° (20°C, 589 nm) (c=10, 6 N HCl) (dried substance)
Titration with HClO4 98.5 to 101.0 % (dried substance)
Sulfates ≤300 ppm
Chlorides ≤200 ppm
Ammonium (NH4) ≤200 ppm
Iron (Fe) ≤10 ppm
Ninhydrin-positive substances ≤0.5 % (Total)

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