
CAS 56-81-5 Glycerol
Synonyms: Emery 912;Glyceol;Glycerin USP;glycerin(mist);Glycerin, anhydrous;Glycerin, synthetic;glycerin,anhydrous;glycerin,synthetic
CAS: 56-81-5
MF: C3H8O3
MW: 92.09
EINECS: 200-289-5
Product Categories: ACS and Reagent Grade Solvents;Aliphatic Compounds;Aloe Vera;Lipid;Lipid Library;Metabolic Libraries;Metabolic Pathways;Metabolites and Cofactors on the Metabolic Pathways Chart;Metabolomics;Nutrition Research;Phytochemicals by Chemical Classification;Phytochemicals by Plant (Food/Spice/Herb);Plastic Bottles;ReagentPlus Solvent Grade Products;Analytical Reagents;Analy
Product Name: Glycerol
Synonyms: Emery 912;Glyceol;Glycerin USP;glycerin(mist);Glycerin, anhydrous;Glycerin, synthetic;glycerin,anhydrous;glycerin,synthetic
CAS: 56-81-5
MF: C3H8O3
MW: 92.09
EINECS: 200-289-5
Product Categories: ACS and Reagent Grade Solvents;Aliphatic Compounds;Aloe Vera;Lipid;Lipid Library;Metabolic Libraries;Metabolic Pathways;Metabolites and Cofactors on the Metabolic Pathways Chart;Metabolomics;Nutrition Research;Phytochemicals by Chemical Classification;Phytochemicals by Plant (Food/Spice/Herb);Plastic Bottles;ReagentPlus Solvent Grade Products;Analytical Reagents;Analytical Reagents for General Use;Analytical/Chromatography;E-H;Puriss p.a.;ACS Grade;E-L;Puriss p.a. ACS;Solvent Packaging Options;Solvents;Spectrophotometric Grade;Spectrophotometric Solvents;Spectroscopy Solvents (IR;UV/Vis);Amber Glass Bottles;NMR;Solvent Bottles;Solvent by Application;Aliphatics;Matrix Materials (FABMS & liquid SIMS);Biochemistry;Reagents for Electrophoresis;Analytical Chemistry;Mass Spectrometry
Glycerol Chemical Properties:
Melting point: 20 °C(lit.)
Boiling point: 290 °C
Density: 1.25 g/mL(lit.)
vapor Density: 3.1 (vs air)
vapor pressure: <1 mm Hg ( 20 °C)
Refractive index: n20/D 1.474(lit.)
FEMA: 2525 | GLYCEROL
Fp: 320 °F
Storage temp.: 2-8°C
Solubility: H2O: 5 M at 20 °C, clear, colorless
pka: 14.15(at 25℃)
Form: Viscous Liquid
Color: APHA: ≤10
Odor: Odorless.
PH: 5.5-8 (25℃, 5M in H2O)
PH Range: 5.5 - 8
Water Solubility: >500 g/L (20 ºC)
λmax: λ: 260 nm Amax: 0.05
Stability: Stable. Incompatible with perchloric acid, lead oxide, acetic anhydride, nitrobenzene, chlorine, peroxides, strong acids, strong bases. Combustible.
HS Code: 29054500
Application: It is a raw material for the production of nitroglycerin, acetic acid glycerol, surfactants, flavors, alkyds and ester gums. It can be directly used in antifreeze, cosmetics, inks, etc.
Uses: Glycerol's properties make it useful for numerous applications. The three hydroxyl groups in glycerol allow extensive hydrogen bonding that gives glycerol its characteristic syrupy viscous texture and hygroscopic character. Approximately 40% of glycerol's use is for personal care products such as cosmetics, soaps, shampoos, lotions, mouthwash, and toothpaste. Glycerol's hygroscopic properties make it a good moisturizer in skin products. Another 25% of glycerol's annual production is used in food production. In the food industry glycerol is used as a moistening agent, as a solvent for food coloring and syrups, to prevent crystallization of sugar in candies and icings, as a preservative, and as a sweetening agent. Approximately 10% of glycerol's use goes into tobacco processing, where it is sprayed on tobacco leaves before they are shredded to serve as a moistening agent. Glycerol has the added benefit of imparting a sweet taste to chewing tobacco. The remaining 25% of glycerol's use is distributed among various industrial uses. It is used in cough syrups and elixir medicines. In industry, glycerol is found in lubricants, plasticizers, adhesives, antifreezes, resins, and insulating foams. At one time it was used almost exclusively in its nitrated form as an explosive (see Nitroglycerin), which today accounts for about 3% of its use.
Uses: glycerin (glycerol; propanetriol) is a humectant used in moisturizers. It is water-binding and able to draw and absorb water from the air, thus helping the skin retain moisture. glycerin has been studied extensively for its hydrating abilities. Based on the data available, glycerin has been established as a good skin-moisturizing agent. At least part of its activity is attributed to its facilitating enzymatic reactions in the skin, thereby promoting corneocyte desquamation. glycerin also improves the spreading qualities of creams and lotions. It is a clear, syrupy liquid made by chemically combining water and fat that is usually derived from vegetable oil. Although glycerin has not been shown to cause allergies, it may be comedogenic and irritating to the mucous membranes when used in concentrated solutions.
Uses: Glycerol is used both in sample preparation and gel formation for polyacrylamide gel electrophoresis. Glycerol (5-10%) increases the density of a sample so that the sample will layer at the bottom of a gel’s sample well. Glycerol is also used to aid in casting gradient gels and as a protein stabilizer and storage buffer component.
Uses: As solvent, humectant, plasticizer, emollient, sweetener, in the manufacture of nitroglycerol (dynamite), cosmetics, liquid soaps, liqueurs, confectioneries, blacking, printing and copying inks, lubricants, elastic glues, lead oxide cements; to keep fabrics pliable; to preserve printing on cotton; for printing rollers, hectographs; to keep frost from windshields; as antifreeze in automobiles, gas meters and hydraulic jacks, in shock absorber fluids. In fermentation nutrients in the production of antibiotics. Pharmaceutic aid (humectant; solvent, vehicle). Leffingwell and Lesser (op. cit.) give 1583 different uses.
Storage: Glycerin is hygroscopic. Pure glycerin is not prone to oxidation by the atmosphere under ordinary storage conditions, but it decomposes on heating with the evolution of toxic acrolein. Mixtures of glycerin with water, ethanol (95%), and propylene glycol are chemically stable.
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