Specifications Table

Product Name – LACTOSE MONOHYDRATE AR

Quantity/Pack Size – 500 g

Form – White crystalline powder

Grade – Analytical Reagent (AR)

Application – Biochemical assays, microbiological media

Product Overview

Lactose Monohydrate AR is a high-purity, analytical-grade carbohydrate derived from milk sugar, featuring a minimum 99% purity level. This white, crystalline powder is chemically stable under standard laboratory conditions, ensuring consistent performance in sensitive applications. Its monohydrate form provides precise stoichiometric calculations for quantitative analyses, while the AR grade certification guarantees minimal impurities, making it suitable for demanding protocols. The compound exhibits excellent solubility in water (216 g/L at 20°C) and moderate solubility in ethanol, with a neutral pH in solution. Its molecular formula (C12H22O11·H2O) and weight (360.31 g/mol) are standardized for reproducible results. The product undergoes rigorous quality control to meet international pharmacopeial standards, with batch-specific certificates of analysis available. Its hygroscopic nature requires proper storage to maintain integrity, while the fine particle size distribution ensures rapid dissolution without residue formation.

FAQs

1. What is the exact purity level of this Lactose Monohydrate AR?

The product maintains a minimum 99% purity level as per analytical reagent specifications, with detailed batch analysis available upon request.

2. How should this product be stored to prevent moisture absorption?

Store in a tightly sealed container with desiccant at room temperature (15-25°C), protected from direct sunlight and humidity fluctuations.

3. Is this lactose suitable for cell culture applications?

While primarily designed for analytical use, the high purity makes it compatible with many cell culture formulations when properly sterilized.

4. What is the typical particle size distribution?

The powder features a uniform particle size range of 50-150 microns, optimized for rapid dissolution and homogeneous mixing.

5. How does this compare to pharmaceutical-grade lactose?

This AR grade offers higher purity than most pharmaceutical grades but lacks the additional excipient testing required for direct drug formulation.