Product Description
Ethylene glycol is the simplest aliphatic diol and displays typical alcoholic chemical properties. It is capable of undergoing reactions including ether and ester formation, oxidation to acids or aldehydes, ether condensation, and halogen substitution. Upon reaction with acyl chlorides or anhydrides, it predominantly yields diesters.
Under catalytic heating conditions (e.g., manganese dioxide, aluminum oxide, zinc oxide, or sulfuric acid), ethylene glycol may undergo intermolecular or intramolecular dehydration to generate cyclic ethylene glycol acetal. It can further react with nitric acid to produce ethylene glycol dinitrate, an explosive compound.
Properties
| 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 |
| Mol File: | 107-21-1.mol |
| 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 |
| λmax | λ: 260 nm Amax: ≤0.03 |
| λ: 280 nm Amax: ≤0.01 | |
| Merck | 143798 |
| 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℃） |
| 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) |
Product Application
Ethylene glycol is primarily applied as a raw material for manufacturing polyester fibers, along with other polyester resins, unsaturated polyester resins, and 1730 polyester coatings. It can also be utilized for producing a range of surfactants, including ethylene glycol and polyethylene glycol derivatives.
Its dinitro derivative, ethylene glycol dinitrate, is an explosive compound. Furthermore, ethylene glycol finds extensive application as an antifreeze agent, owing to its capacity to reduce the freezing point of aqueous solutions.
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