D-Lactose monohydrate , Ultra -pure, ≥99.5%(HPLC) , 64044-51-5

Synonym(s):
Milk sugar;α-Lactose monohydrate;β-D-Gal-(1→4)-α-D-Glc;β-D-Gal-(1→4)-D-Glc;D-Lactose monohydrate

CAS NO.：64044-51-5

Empirical Formula: C12H24O12

Molecular Weight: 360.31

MDL number: MFCD30181373

EINECS: 613-418-9

PRODUCT Properties

• Melting point: ~215 °C (dec.)
• Density: 1.525
• storage temp.: room temp
• solubility: H₂O: 0.1 g/mL, clear, colorless
• form: Crystalline
• Specific Gravity: 1.525
• color: White
• PH: 3.5-6.0 (25℃, 0.5M in H2O)
• optical activity: [α]22/D +52.4°, c = 4.5 in H2O
• Water Solubility: Soluble in water (warm) (0.1 g/mL), and ethanol (very slightly soluble). Insoluble in chloroform, and ether.
• λmax: λ: 260 nm Amax: 0.02; λ: 280 nm Amax: 0.02
• Merck: 14,5343
• BRN: 3768231
• Stability: Stable. Incompatible with strong oxidizing agents.
• LogP: -3.409 (est)
• CAS DataBase Reference: 64044-51-5(CAS DataBase Reference)
• NIST Chemistry Reference: Lactose monohydrate(64044-51-5)
• EPA Substance Registry System: Lactose monohydrate (64044-51-5)

Description and Uses

D-Lactose monohydrate is a type of lactose. D-Lactose is composed of D-galactose and D-glucose. D-Lactose monohydrate can be used as sweetener or excipient.

[a]22 +52.4°, c = 4.5 in H2O

Safety

• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 26-36-24/25
• WGK Germany: 3
• RTECS: OD9625000
• F: 3
• TSCA: Yes
• HS Code: 17021900