D-(-)-N-Methylglucamine 99%
Supplier: Thermo Scientific
ACRO126840025EA
328
EUR
ACRO126840025
ACRO126841000
ACRO126845000
D-(-)-N-Methylglucamine 99%
D-(-)-N-Methylglucamine
Specification Test Results
Appearance | White to off-white Crystalline powder |
Infrared spectrum | Conforms |
Melting point | 128 to 132 °C |
Loss on drying | ≤1 % (1 g, 100 °C, 3 hrs) |
Sulfated ash | ≤0.1 % |
UV | (20 % w/v in water) |
UV | at 420 nm A: ≤0.03 |
Specific optical rotation | -15.7° to -17.3° (20 °C, 589 nm) (c=10, H2O) (on dried substance) |
Titration with HClO4 | ≥98.5 % (On dried substance) |
Chloride (Cl) | ≤100 ppm |
Sulfate (SO4) | ≤150 ppm |
Iron (Fe) | ≤10 ppm |
Heavy metals (as Pb) | ≤20 ppm |
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