L-Threonine 98%

Supplier: Thermo Scientific

ACRO138930050EA 21.5 EUR
ACRO138930050 ACRO138930250 ACRO138935000 ACRO138931000
L-Threonine 98%
L-Threonine
Formula: C₄H₉NO₃
MW: 119,12 g/mol
Melting Pt: 255 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00064270
CAS Number: 72-19-5

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Specification Test Results

Appearance White to off-white Crystalline powder or glistening flakes
Infrared spectrum Conforms
Loss on drying ≤0.5 % (1 g, 105°C, 3 hrs)
Sulfated ash ≤0.1 %
Solubility (2.5 % in water) Clear colorless
Specific optical rotation -27.6° to -29.0° (20°C, 589 nm) (c=6, H2O)
Titration with HClO4 97.5 to 102.5 % (On dried substance)
Chloride (Cl) ≤200 ppm
Sulfate (SO4) ≤300 ppm
Heavy metals (as Pb) ≤10 ppm

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