Description

β-D-Lactose is a specific anomeric form of the disaccharide sugar lactose, widely recognized for its role as a key excipient and nutrient. Its consistent quality and purity are critical for ensuring product stability and performance in sensitive formulations. This product is essential for manufacturers in the pharmaceutical, food science, and biotechnology sectors, where it serves as a fundamental bulking agent, diluent, and nutrient source.

Application

• Pharmaceutical Excipient: Primarily used as a diluent, bulking agent, and binder in the production of tablets and capsules, including direct compression formulations.
• Microbiology & Fermentation: Acts as a defined carbon and energy source in microbial culture media for fermentation processes and cell culture applications.
• Infant Formula & Nutritional Products: A vital carbohydrate component in the manufacturing of infant formula and clinical nutrition products.
• Food Processing: Utilized as a sweetener, texturizer, and browning agent in baked goods, confectionery, and processed foods.
• Analytical & Research Standards: Serves as a high-purity reference standard in analytical chemistry, chromatography, and biochemical research.
• Biochemical Reagent: Employed as a substrate in enzymatic studies and for the synthesis of other biochemical derivatives.

Basic Information

Product Name	β-D-Lactose
CAS No.	5965-66-2
Molecular Formula	C12H22O11
Molecular Weight	342.30 g/mol
Synonyms	4-O-β-D-Galactopyranosyl-D-glucose; β-Lactose; β-Lactose; Lactose, β-form; Anhydrous β-lactose; β-D-Galactopyranosyl-(1→4)-D-glucose; β-D-Galactosyl-D-glucose; β-D-Gal-(1→4)-D-Glc
EINECS	227-795-0

Quality Control

Our β-D-Lactose is manufactured under strict quality management systems. Each batch is tested to meet high-purity standards suitable for pharmaceutical and food-grade applications, with specifications aligning with relevant monographs. Certificates of Analysis (COA) documenting identity, purity, and safety parameters are available upon request to support your regulatory and quality assurance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature. Due to its hygroscopic nature, the container must be kept tightly sealed after each use to prevent moisture absorption and caking.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥98.0% (β-Anomer)
Specific Rotation [α]20/D	+34.0° to +36.0°
Loss on Drying	≤1.0%
Residue on Ignition	≤0.1%
Heavy Metals	≤10 ppm
Microbial Limits	Meets standard requirements

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.