tetraethylene glycol, CAS No. 112-60-7

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112-60-7

Catalog No. EBD2203397

CAS 112-60-7

Name tetraethylene glycol

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Basic Information

Synonyms: PEG4 tetraethyleneglycol 3,6,9-trioxaundecane-1,11-diol tetragol tetraglycol TetraEthyleneGlycol(TTEG) 2,2'-[oxybis(ethane-2,1-diyloxy)]diethanol TTEG 2-(2-(2-(2-hydroxy-ethoxy)-ethoxy)-ethoxy)-ethanol 2-(2-[2-(2-hydroxyethoxy)ethoxy]ethoxy)ethanol 2,2'-(oxybis(ethyleneoxy))diethanol 2,2’-(oxybis(2,1-ethanediyloxy))bis-ethano 2,2’-(oxybis(ethyleneoxy))di-ethano 2,2’-[oxybis(2,1-ethanediyloxy)]bis-ethano bis[2-(2-hydroxyethoxy)ethyl]ether

Molecular Formula: C8H18O5

Molecular Weight: 194.23

MDL Number: MFCD00002879

Categories: Materials Chemistry > Polymers and Macromolecular Materials > Polyurethane Precursors Synthetic Chemistry > Organic Building Blocks > Other Organic Building Blocks

Product Description:

Tetraethylene glycol (TEG), with CAS number 112-60-7, is a linear polyether glycol with the chemical formula HO-(CH₂CH₂O)₄-H. It is a clear, colorless, viscous, and hygroscopic liquid. As a member of the polyethylene glycol (PEG) family, it is characterized by its four repeating ethylene oxide units, providing both hydrophilic hydroxyl end groups and a flexible polyether chain. Its primary industrial application is as a chemical intermediate and a chain extender in the production of polyurethanes, polyesters, and other polymers. It acts as a monomer to impart flexibility and hydrophilicity to the final polymeric materials. Additionally, TEG is widely used as a polar solvent, a plasticizer, and a humectant in various formulations. It also serves as a starting material for synthesizing surfactants and as a component in gas dehydration processes due to its hygroscopic nature. TEG is considered a versatile building block in organic synthesis and material science. It is generally regarded as having low toxicity, but standard laboratory safety precautions for handling chemicals should be observed.

Physical Properties

Melting Point: −5.6 °C(lit.)

Boiling Point: 314 °C(lit.)

Flash Point: 182 °C

Density: 6.7 (vs air)

Solubility: Soluble in water

Refractivity: n20/D 1.459(lit.)

Analytical Data

Appearance: colorless to light yellowish liquid