Lactose Monohydrate CAS 10039-26-6

Product name: Lactose Monohydrate Molecular Formula: C12H22O11,H2O Structure: mtxx255 Molecular Weight: 360.3 CAS No.: 10039-26-6 Description Lactose occurs as a white to creamy white, crystalline powder. It is normally obtained from whey. It may be anhydrous, contain one molecule of water of hydration, or contain a mixture of both forms if it has been prepared by a spray drying process. It is soluble in water, very slightly soluble in alcohol, and insoluble in chloroform and in ether. Application Lactose monohydrate is almost white crystalline granules or powder, odorless, slightly sweet. It’s made from whey and is mainly used in food industry, medicine and chemical reagents. There are two isomers of lactose, being monohydrate and anhydrous. Lactose monohydrate is more stable in air and is unaffected by moisture. The sweetness of α-lactose is 15% of sucrose. In food industry, lactose monohydrate functions as a flow agent, humectant, crystallization control agent, and sweetener. It is used in baked goods for flavor, browning, and tenderizing and in dry mixes as an anticaking agent. Specification Appearance White to creamy white, crystalline powder. Specific rotation +54.4 ° ~+55.9 ° Acidity or alkalinity Add 0.3ml of phenolphthalein TS: the solution is colorless, and not more than 0.4 ml of 0.1 N sodium hydroxide is required to produce a red color. Loss on drying: Monohydrate form ≤ 0.5% Modified monohydrate form ≤1.0% Water 4.5%~5.5% Residue on ignition ≤ 0.1% Heavy metals ≤ 5μg/g Protein and light- absorbing impurities： 210~220nm: ≤0.25 270~300nm: ≤0.07 TPC (cfu/g)

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