Ethylene glycol CAS#107-21-1
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Ethylene glycol is the simplest aliphatic dihydric alcohol with chemical properties of alcohols such as being capable of generating ether, ester, or being oxidized into acid or aldehyde as well as being condensed to form ether or being substituted by halogen. Its reaction with acyl chloride or acid anhydride generally forms di-esters. Under heating in the presence of catalyst (manganese dioxide, aluminum oxide, zinc oxide or sulfuric acid), it can be subject to intermolecular or intramolecular dehydration to form the cyclic ethylene acetals, which can react with nitric acid to generate glycol dinitrate (an explosive). Ethylene glycol is the raw material for production of polyester resins, alkyd resins and polyester fiber. It can also be used as the refrigerant agent for automobile and aircraft engines refrigerant. In 1980, the glycol amount used as refrigerant agent is equal to the amount consumption for producing polyester. In addition, it can also be used for synthesizing polymers such as polyester fibers. Ethylene glycol dinitrate, when used in combination with nitroglycerine can reduce the freezing point of explosives. Ethylene glycol can also be used as the raw material of pharmaceuticals and plastics and high-boiling solvents. Industry applied ethylene as a raw material with first converting it to ethylene oxide and then hydrolyzing to produce ethylene glycol.
Ethylene glycol CAS#107-21-1
| Ethylene glycol Basic information |
| Odor?Dihydric alcohol?Poisoning and first aid?Chemical Properties?Uses?Production method?Category?Toxicity grading?Acute toxicity?Irritation data?Hazardous characteristics of explosive?Flammability and hazard characteristics?Storage characteristics?Extinguishing agents?Professional standards |
| Product Name: | Ethylene glycol |
| Synonyms: | Ethylene glycol, extra pure, packed in UHDPE bottles;Ethylene glycol 5g [107-21-1];Ethylene Glycol (0.5 mL);Ethylene glycol, extra pure, 99+% 1LT;Ethylene glycol, extra pure, 99+% 2.5LT;Ethylene glycol, for analysis, 99.5% 1LT;Ethylene glycol, for analysis, 99.5% 2.5LT;Ethylene glycol, 99%, SpcDry, with Molecular sieves, Water??50 ppM (by K.F.), SpcSeal |
| CAS: | 107-21-1 |
| MF: | C2H6O2 |
| MW: | 62.07 |
| EINECS: | 203-473-3 |
| Product Categories: | ACS and Reagent Grade Solvents;Amber Glass Bottles;Carbon Steel Flex-Spout Cans;ReagentPlus;ReagentPlus Solvent Grade Products;Semi-Bulk Solvents;NMR;Spectrophotometric Grade;Spectrophotometric Solvents;Spectroscopy Solvents (IR;UV/Vis);Analytical Reagents;Analytical/Chromatography;Microscopy Reagents;Puriss p.a.;Various Chemicals;Polyhydroxy compounds;Alcohols;Analytical Standards;Chemical Class;Solvent by Application;Solvent Packaging Options;Solvents;Sure/Seal Bottles;Synthetic Reagents;Essential Chemicals;Inorganic Salts;Plastic Bottles;Research Essentials;Solutions and Reagents;Technical Grade;Anhydrous Solvents;Chemical Synthesis;Others;Protecting and Derivatizing Reagents;Protection and Derivatization;Solvent Bottles;Carbazoles;Hematology and Histology;Routine Histology Stains;Chemistry;alpha,omega-Alkanediols;alpha,omega-Bifunctional Alkanes;Ethylene Glycols;Ethylene Glycols & Monofunctional Ethylene Glycols;Monofunctional & alpha,omega-Bifunctional Alkanes;107-21-1 |
| Mol File: | 107-21-1.mol |
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| Ethylene glycol Chemical Properties |
| Melting point | -13 ??C (lit.) |
| Boiling point | 195-198 ??C |
| density | 1.113 g/mL at 25 ??C (lit.) |
| vapor density | 2.1 (vs air) |
| vapor pressure | 0.08 mm Hg ( 20 ??C) |
| refractive index | n20/D?1.431(lit.) |
| Fp | 230???F |
| storage temp. | 2-8??C |
| solubility | water: miscible |
| form | Viscous Liquid |
| pka | 14.22(at 25??) |
| color | blue |
| Odor | Odorless |
| Relative polarity | 0.79 |
| PH | 6-7.5 (100g/l, H2O, 20??) |
| explosive limit | 3.2%(V) |
| Water Solubility | miscible |
| FreezingPoint | -11.5?? |
| Sensitive | Hygroscopic |
| ??max | ??: 260 nm Amax: ??0.03 ??: 280 nm Amax: ??0.01 |
| Merck | 14,3798 |
| BRN | 505945 |
| Exposure limits | Ceiling limit in air for vapor and mist 50 ppm (~125 mg/m3) (ACGIH); TWA 10 mg/m3?(particulates) (MSHA). |
| Dielectric constant | 37.0??20?棩 |
| LogP | -1.36 at 25?? |
| CAS DataBase Reference | 107-21-1(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,2-Ethanediol(107-21-1) |
| EPA Substance Registry System | Ethylene glycol (107-21-1) |
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