(±)-Aspartic acid 99+%

Synonyms: DL-Aspartic acid2-Aminobutanedioic acid

AC10503-0050 AC10503-2500
200025-186EA 23.5 USD
200025-186 200018-924
(±)-Aspartic acid 99+%
(±)-Aspartic acid
Formula: C₄H₇NO₄
MW: 133.10 g/mol
Melting Pt: >300 °C
Storage Temperature: Ambient
EINECS: 210-513-3

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Specification Test Results

Appearance White to light yellow Powder or crystals
Infrared spectrum Conforms
Loss on drying ≤0.2 % (105 °C, 3 h)
Sulfated ash ≤0.1 %
UV transmittance ≥95 % (c=10, 2 N HCl, 430 nm) 1 cm cell
Specific optical rotation -0.3° to +0.3° (20 °C, 589 nm) (c=10, 2 N HCl)
Titration with NaOH 99.0 to 101.0 %
Ammonium (NH4) ≤500 ppm
Iron (Fe) ≤10 ppm
Heavy metals (as Pb) ≤10 ppm

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