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Ethylene glycol CAS#107-21-1

Ethylene glycol CAS#107-21-1
Iupac Name:ethane-1,2-diol
CAS No.: 107-21-1
Molecular Weight:62.06784
Introduction:
Ethylene Glycol (C2H6O2) is an organic compound and a member of the diol family. It is a colorless, odorless, and viscous liquid at room temperature, exhibiting a slightly sweet taste. Due to its hygroscopic nature, ethylene glycol readily absorbs moisture from the environment and is completely miscible with water and many polar solvents. Its molecular structure features two hydroxyl (-OH) groups attached to adjacent carbon atoms of an ethane backbone, which contributes to its high solubility in water and its ability to form hydrogen bonds.

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PRODUCT DESCRIPTION

PropertyValue
Density1.1±0.1 g/cm³
Boiling Point197.5±0.0 °C at 760 mmHg
Melting/Freezing Point-13 °C (lit.) / -11.5 °C
Molecular FormulaC₂H₆O₂
Molecular Weight62.068
Flash Point108.2±13.0 °C
Exact Mass62.036777
PSA40.46000
LogP-1.69
Vapour Density2.1 (vs air)
Vapour Pressure0.1±0.8 mmHg at 25°C
Index of Refraction1.422
InChIKeyLYCAIKOWRPUZTN-UHFFFAOYSA-N
SMILESOCCO
Water SolubilityMiscible (completely soluble in water)

Use and Manufacturing

1 Definition

ChEBI: A 1,2-glycol compound produced via reaction of ethylene oxide with water.

2 General Description

Ethylene glycol is a clear, colorless syrupy liquid. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. Since Ethylene glycol is a liquid Ethylene glycol can easily penetrate the soil and contaminate groundwater and nearby streams.

3 Potential Exposure

Ethylene glycol is used in antifreeze (especially as car radiator antifreeze) and in production of polyethylene terephthalate fibers and films; in hydraulic fluids; antifreeze and coolant mixtures for motor vehicles; electrolytic condensers; and heat exchangers. It is also used as a solvent and as a chemical intermediate for ethylene glycol dinitrate, glycol esters; resins, and for pharmaceuticals.

4 Produe Method

Historically, ethylene glycol has been manufactured byhydrolyzing ethylene oxide. Presently, it is also producedcommercially by oxidizing ethylene in the presence of aceticacid to form ethylene diacetate, which is hydrolyzed to theglycol, and acetic acid is recycled in the process .

5 Purification Methods

It is very hygroscopic, and also likely to contain higher diols. Dry it with CaO, CaSO4, MgSO4 or NaOH and distil it under vacuum. Dry further by reaction with sodium under nitrogen, reflux for several hours and distil. The distillate is then passed through a column of Linde type 4A molecular sieves and finally distil under nitrogen, from more molecular sieves. Then fractionally distil it. [Beilstein 1 IV 2369.]

6 Shipping

UN3082 Environmentally hazardous substances,liquid, n.o.s., Hazard class: 9; Labels: 9-Miscellaneous hazardous material, Technical Name Required

7 Usage

Automotive antifreeze, solvent, adjuvant.

8 Waste Disposal

Dissolve or mix the materialwith a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. All federal,state, and local environmental regulations must beobserved. Alternatively, ethylene glycol can be recoveredfrom polyester plant wastes Ethylene glycol Preparation Products And Raw materials Raw materials



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A:Yes,we could offer the sample for you to test but please pay freight fee.

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