α-D-Lactose monohydrate USP, NF, Ph. Eur., JP

Supplier: Thermo Scientific

Synonyms: α-Lactose monohydrate

368892500 368890010
ACRO368892500EA 41.7 GBP
ACRO368892500 ACRO368890010
α-D-Lactose monohydrate USP, NF, Ph. Eur., JP
α-D-Lactose monohydrate
Formula: C₁₂H₂₂O₁₁·H₂O
MW: 360,32 g/mol
Melting Pt: 219 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00150747
CAS Number: 5989-81-1

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Specification Test Results

Appearance White to almost white Amorphous powder, crystals or crystalline powder
Water 4.5 to 5.5 %
Loss on drying ≤0.5 % (80°C, 2 h)
Heavy metals ≤5 ppm
UV at 220 nm A: ≤0.25
Appearance of solution Clear and not more intensely colored than ref. BY7
Clarity and color of solution Clear and nearly colorless
Identification Conform USP/NF, EP, JP
Particle size ≥99 % (≤ 250 µm)
Residue after ignition ≤0.1 %
Microbial contamination (Salmonellae in 100 g) Absent
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) (After 30 min., on anhydrous substance)

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