β-Lactose mixture of stereoisomers ∼80% beta & ∼20% alpha
:5965-66-2
:
:C₁₂H₂₂O₁₁
:MFCD00064521
:342.29 g/mol
:224 °C
:Ambient
- Appearance:White to almost white Crystalline powder
- Infrared spectrum:Conforms
- Water:≤1.0 % (K.F.)
- Loss on drying:≤0.5 % (1 g, 80°C, 2 hrs)
- Sulfated ash:≤0.1 %
- GC:≥78 % (beta-lactose)
- Appearance of solution:(per Ph. Eur.) Passes test
- Microbial contamination:(per Ph. Eur.) Passes test
- Acidity/alkalinity:≤0.4 ml/6g (ml 0.1N NaOH/6g)
- Specific optical rotation:+54.4° to +55.9° (20°C, 589 nm) (c=10, H2O/NH3) (on anhydrous basis)
- Absorbance:(per Ph. Eur.) Passes test
- Heavy metals (as Pb):≤5 ppm
- Pack typePk