Beta-lactose anhydrous
- CAS NO. : 64044-51-5
- CAT NO. : PH-EXC-4515
Physical State: Solid
Color/Appearance: White to off-white crystalline powder
Melting Point: ~215 °C (decomposes)
Density: 1.525 g/cm³
Solubility: Soluble in water (0.1 g/mL, clear, colorless); very slightly soluble in ethanol; insoluble in chloroform and ether
Optical Rotation: [α]₂₀/D +52.4°, c = 4.5 in H₂O
pH (0.5 M in H₂O at 25 °C): 3.5–6.0
LogP: −3.409 (estimated)
λmax (UV Absorption): 260 nm (Amax: 0.02), 280 nm (Amax: 0.02)
Storage Conditions: Store at room temperature in a sealed container, protected from moisture
Molecular Formula: C₁₂H₂₂O₁₁·H₂O
Molecular Weight: 360.31 g/mol
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