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HomeProduct name listBis[2-(2-hydroxyethoxy)ethyl] ether

Bis[2-(2-hydroxyethoxy)ethyl] ether

Synonym(s):Bis[2-(2-hydroxyethoxy)ethyl] ether;Tetra(ethylene glycol);Tetraethylene glycol;Tetraglycol

  • CAS NO.:112-60-7
  • Empirical Formula: C8H18O5
  • Molecular Weight: 194.23
  • MDL number: MFCD00002879
  • EINECS: 203-989-9
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-08-21 22:41:43
Bis[2-(2-hydroxyethoxy)ethyl] ether Structural

What is Bis[2-(2-hydroxyethoxy)ethyl] ether?

Description

Tetraethylene glycol is a polymer consisting of ethylene glycol monomer units and two terminal hydroxyl groups. The hydroxyl groups can react to further derivatize the compound. Ethylene glycol compounds have hydrophilic characteristics. The solubility of the polymer increases as the number of ethylene glycol groups increase.

Chemical properties

Tetraethylene glycol is a high-boiling, clear liquid of low volatility. hygroscopic. It is completely miscible with water and a wide variety of organic solvents. insoluble in benzene, toluene, or gasoline. Combustible. For certain aliphatic hydrocarbons, it has a very slight affinity. Tetraethylene glycol is used as a coupling agent for blending water-soluble and water-insoluble compounds in such formulations as lubricants, glues, cork and textile products, etc.

The Uses of Bis[2-(2-hydroxyethoxy)ethyl] ether

Solvent for nitrocellulose, plasticizer, lacquers, coating compositions.

The Uses of Bis[2-(2-hydroxyethoxy)ethyl] ether

Tetraethylene glycol is used as a solvent to dissolve water-insoluble compounds. It is employed as a nitrocellulose solvent, a plasticizer, a natural gas desiccant, a hydraulic fluid and in lacquers and coatings. Furthermore, it is used in the synthesis of tetraethylene glycol methacrylate monomer. It acts as a chemical intermediate and acts as a solvent for the manufacturing of inks and dyes. In addition, it serves as a coupling agent in the production of textile lubricants and formulations.

Production Methods

Tetraethylene glycol is prepared commercially by adding ethylene oxide to ethylene glycol, diethylene glycol, or water in the presence of a suitable catalyst.

Definition

ChEBI: Tetraethylene glycol is a poly(ethylene glycol).

General Description

Colorless to straw-colored liquid with a mild odor. Sinks and mixes with water.

Air & Water Reactions

Water soluble.

Reactivity Profile

Bis[2-(2-hydroxyethoxy)ethyl] ether is a ether-alcohol derivative. The ether being relatively unreactive. Flammable and/or toxic gases are generated by the combination of alcohols with alkali metals, nitrides, and strong reducing agents. They react with oxoacids and carboxylic acids to form esters plus water. Oxidizing agents convert alcohols to aldehydes or ketones. Alcohols exhibit both weak acid and weak base behavior. They may initiate the polymerization of isocyanates and epoxides. May attack some forms of plastics [USCG, 1999].

Health Hazard

Compound is nonirritating. No symptoms observed by any exposure route.

Flammability and Explosibility

Non flammable

Safety Profile

Mildly toxic by ingestion. A sktn and eye irritant. Combustible when exposed to heat or flame; can react with oxidzing materials. To fight fire, use alcohol foam, water, CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes.

Properties of Bis[2-(2-hydroxyethoxy)ethyl] ether

Melting point: -5.6 °C (lit.)
Boiling point: 314 °C (lit.)
Density  1.125 g/mL at 25 °C (lit.)
vapor density  6.7 (vs air)
vapor pressure  <0.01 mm Hg
refractive index  n20/D 1.459(lit.)
Flash point: 400 °F
storage temp.  Store below +30°C.
solubility  1000g/l
form  Liquid
pka 14.06±0.10(Predicted)
color  Clear slightly yellow
PH 8.5-9.0 (500g/l, H2O, 20℃)
explosive limit 0.5-3.4%(V)
Water Solubility  soluble
BRN  1634320
Stability: Stable. Incompatible with strong oxidizing agents, strong bases.
CAS DataBase Reference 112-60-7(CAS DataBase Reference)
NIST Chemistry Reference Ethanol, 2,2'-[oxybis(2,1-ethanediyloxy)]bis-(112-60-7)
EPA Substance Registry System Tetraethylene glycol (112-60-7)

Safety information for Bis[2-(2-hydroxyethoxy)ethyl] ether

Signal word Warning
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
GHS Hazard Statements H320:Serious eye damage/eye irritation
Precautionary Statement Codes P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P337+P313:IF eye irritation persists: Get medical advice/attention.

Computed Descriptors for Bis[2-(2-hydroxyethoxy)ethyl] ether

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