α-D-Lactose monohydrate 99.5+% ≤5% beta-isomer
Supplier: Thermo Fisher Scientific
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About this item
CAS Number:5989-81-1
:
Formula:C₁₂H₂₂O₁₁·H₂O
MDL Number:MFCD00150747
:360.32 g/mol
Melting Pt:219 °C
Storage Temperature:Ambient
Specification Test Results
- Appearance:White to almost white Crystalline powder
- Infrared spectrum:Conforms
- Water:4.5 to 5.5 % (K.F.)
- Loss on drying:≤0.5 % (80°C, 2 h)
- Sulfated ash:≤0.1 %
- HPLC:≥99.50 %
- Appearance of solution:Passes test
- Microbial contamination: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)
- Absorbance:Passes test
Specification Test Results
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