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PRODUCT
Glycerol
CAS number: 56-81-5
Molecular formula: C3H8O3
Molecular weight: 92.09 g/mol
Characteristics: Glycerin is a colorless, odorless, viscous liquid with a sweet taste
Boiling point: 290 ℃, boiling point at lower pressure (2666pa) is 182 ℃
Melting point: 20 ℃
Relative density: The relative densities at different temperatures are 1.26526 (15/15 ℃), 1.2613 (20/20 ℃), and 1.26170 (25/25 ℃)
Main uses
Cosmetics and personal care productsGlycerin is commonly used in cosmetics and personal care products as a moisturizer and moisturizer, which can absorb moisture and maintain skin moisture.
Medical fieldGlycerol has various applications in the field of medicine. It can be used to treat constipation and has a moisturizing effect on the intestines; Used to treat angina, as nitroglycerin can dilate coronary arteries; In addition, glycerol can also be used to prepare drug suppositories and eye drops.
Industrial applicationsGlycerol is also widely used in industry. It can be used as a lubricant, hygroscopic agent, and moisturizer, commonly used in industries such as leather, tobacco, food, and textiles. In addition, glycerol can also be used to prepare alkyd resins, which are widely used in paints and coatings.
Production methods
One of the main sources of glycerol is by-products of the soap making industry. When fats are hydrolyzed under alkaline conditions, fatty acids and glycerol can be obtained.
Preparation of propylene from petroleum cracking gas: Another method for producing glycerol is to prepare propylene from petroleum cracking gas.