Lactose

Milk Sugar, D-Lactose, Saccharum Lactis.

CAS
63-42-3
EC
200-559-2
Sectors
Food & Nutrition, Pharma & Healthcare

Lactose (CAS 63-42-3), also known as milk sugar, is a natural carbohydrate supplied as white crystals or powder that acts as a bulking agent and carrier in food and pharmaceutical production, serving as a filler and diluent in tablets and capsules, an infant formula carbohydrate source, and a fermentation substrate. It serves as a vital bulking agent and carrier in both food and pharmaceutical sectors.

In pharmaceutical production, it is valued for its excellent compressibility and stable chemical nature. It is a mildly sweet excipient that ensures uniform dosage and structural integrity in solid medications.

The product acts as an effective fermentation substrate and flavor enhancer in food manufacturing. Its stability and compatibility make it an essential component for infant formula and powdered nutrition products.

Typical Properties

Molecular formulaC12H22O11
Molecular weight342.3 g/mol
Appearancewhite crystals or powder
FormPowder
ColorWhite to Off-white
Melting point201-202 °C
Density0.42 g/cm³ (solid) (powders)
Water solubility5-10 g/100 mL at 20 °C
HS code17021100
Grades availableFood Grade

Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.

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Lactose

Applications
  • Pharmaceutical Excipient: Functions as a primary filler and diluent in tablets and capsules to ensure accurate drug delivery.
  • Infant Formula: Used as a key carbohydrate source to match the nutritional profile of human milk in pediatric products.
  • Flavor Carrier: Acts as a stable base for carrying flavors and active ingredients in powdered food seasonings.
Safety & Risks

Lactose is a Non-Hazardous Substance. No specific hazard labels apply, but standard PPE such as safety glasses is recommended to avoid dust irritation.

Packaging

Available in 25 kg Multi-wall Paper Bags, Fiber Drums, and Big Bags for bulk industrial applications.