627-82-7
Diglycerol
CAS: 627-82-7
Molecular Formula: C6H14O5
627-82-7 - Names and Identifiers
| Name | Diglycerol |
| Synonyms | Diglycerol Diglycerine glycerinether Glycerine Ether 4-Oxa-1,2,6,7-heptanetetrol Di(2,3-dihydroxypropyl)ether bis-2,3-dihydroxy-propyl-ether Diglycerol (mixture of isomers) bis-(2,3-dihydroxy-propyl)-ether 3-(2,3-dihydroxypropoxy)propane-1,2-diol |
| CAS | 627-82-7 |
| EINECS | 211-013-8 |
| InChI | InChI=1/C6H14O5/c7-1-5(9)3-11-4-6(10)2-8/h5-10H,1-4H2/t5-,6+ |
627-82-7 - Physico-chemical Properties
| Molecular Formula | C6H14O5 |
| Molar Mass | 166.17 |
| Density | 1.280g/mLat 20°C(lit.) |
| Melting Point | 319 °C |
| Boling Point | 214.38°C (rough estimate) |
| Flash Point | 240°C |
| Solubility | Chloroform, DMSO, Methanol (Slightly), Water (Soluble) |
| Vapor Presure | 2.53E-08mmHg at 25°C |
| Appearance | Oil |
| Specific Gravity | 1.285 (20/4℃) |
| Color | Colourless to Light Yellow to Thick |
| pKa | 13.31±0.20(Predicted) |
| Storage Condition | Room Temperature |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Refractive Index | n20/D 1.489 |
| MDL | MFCD00049316 |
| Physical and Chemical Properties | Yellow viscous liquid. Boiling point 265-270 ℃(2.0kPa),225 ℃(0.4kPa), relative density 1.2774(20/20 ℃), refractive index 1.4890. Soluble in water and ethanol, insoluble in ether. Easy to absorb water. |
| Use | Mainly used for the preparation of fatty acid esters, as emulsifiers and Defoamers, and instead of glycerol for printing |
627-82-7 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
627-82-7 - Upstream Downstream Industry
| Raw Materials | Glycerin Glycerin Ethylene Oxide |
627-82-7 - Reference Information
| Use | Diglyceride molecule contains 4 hydroxyl groups, is a kind of esterified, etherification and other reaction possibilities of organic synthesis intermediates. Mainly used for the preparation of fatty acid esters, used as emulsifiers and Defoamers. The main derivatives of diglycerols and diglyceryl tetramethyl acrylate: monomers of adhesives. Diglyceryl oleate: antifoaming agent, lubricating oil rust inhibitor, non-drop polyvinyl chloride packaging material, food, margarine and butter emulsifier. Diglyceryl ricinoleate: brake oil raw material, emulsifier and Defoamer. Diglyceryl stearate: food emulsifier, paint and detergent additives, anti-fogging agent, detergent containing solvent, shoe polish, wax and other anti-evaporation agent. Diglyceryl laurate: emulsifier, additive to detergents. Ethylene oxide adduct of diglycerol: demulsifier, antistatic agent, release agent. Diglycerin propylene oxide adduct: raw material of polyurethane, mold release agent. Triallyl ether of diglycerol: softener for synthetic rubber. mainly used for the preparation of fatty acid esters, as emulsifiers and Defoamers, and instead of glycerol for printing |
| production method | There are three production methods. 1. Dimerization of glycerol 2. Reaction between allyl alcohol and acetone 3. Reaction between epichlorohydrin and sodium hydroxide in industry, diglycerol is a by-product of glycerol synthesis. Allyl Alcohol and epichlorohydrin are intermediates in the production of glycerol from propylene by acrolein method and epichlorohydrin method. |
Last Update：2024-04-09 21:54:55
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