Lanolicacids - Names and Identifiers
Lanolicacids - Introduction
Lanolin, also known as suet, lanolin or lanolin fatty acid ester, is a natural mixture of fatty acids, mainly extracted from wool. Its main component is the glyceride of normal chain fatty acids, in which the main fatty acid components include palmitic acid, linoleic acid and stearic acid.
Lanolin has the following properties:
1. Physical properties: white solid at room temperature, melting point about 30-40 ° C.
2. Chemical properties: It is a non-polar compound with low solubility and is not easy to mix with water, but it can be soluble with organic solvents such as ethanol and petroleum ether.
The main use of lanolin:
1. Cosmetics: because lanolin can effectively moisturize the skin, used in the production of skin care products, lip balm, nail polish and so on.
2. Drugs: lanolin has the characteristics of moisturizing, protecting and softening the skin, and is widely used in the preparation of some external drugs, such as ointments, creams, etc.
3. Industry: Lanolin can be used as a lubricant, rust inhibitor, plasticizer, etc., for the manufacture of paint, candles, ink, leather industry, etc.
lanolin preparation method:
1. Extraction method: the wool is soaked in a solvent, heated, and the solvent is removed by steam distillation or other methods to obtain lanolin.
2. Preparation method: lanolin and glycerin are esterified to generate lanolin.
Lanolin Safety Information:
Lanolin is generally considered safe, but allergic reactions may exist in individual populations. Use with caution, especially for people with sensitive or allergic skin, allergy testing should be performed. At the same time, since lanolin is a non-polar substance, applying with a large amount of lanolin may cause problems such as clogged pores and oil accumulation. It is recommended to read the product description carefully before use, follow the use recommendations, and avoid excessive use.
Last Update：2024-04-09 21:11:58