L(+)-Aspartic acid 98+%
Supplier: Thermo Fisher Scientific
Certificates
About this item
CAS Number:56-84-8
:
Formula:C₄H₇NO₄
MDL Number:MFCD00002616
:133.1 g/mol
Merck Index:13,00845
Boiling Pt:311 °C (1013 hPa)
Melting Pt:>230 °C (dec.)
Density:1,6613 g/cm³ (13 °C)
Storage Temperature:Ambient
EINECS:200-291-6
Specification Test Results
- Appearance:White to off-white Crystalline powder or crystals
- Infrared spectrum:Conforms
- Loss on drying:≤0.5 % (105°C)
- Sulfated ash:≤0.1 %
- Specific optical rotation:+24.0° to +26.0° (20°C, 589 nm) (c=8, 6 N HCl)
- Titration with HClO4:≥98.0 % (on dried substance)
- Chloride (Cl):≤200 ppm
- Sulfate (SO4):≤300 ppm
- Ammonium (NH4):≤200 ppm
- Iron (Fe):≤10 ppm
- Ninhydrin-positive substances:Passes test