110175

Sigma-Aldrich

Tetraethylene glycol

99%

Synonym(s):
Bis[2-(2-hydroxyethoxy)ethyl] ether, Tetraglycol, Tetra(ethylene glycol)
Linear Formula:
HO(CH2CH2O)3CH2CH2OH
CAS Number:
Molecular Weight:
194.23
Beilstein/REAXYS Number:
1634320
EC Number:
MDL number:
eCl@ss:
39020714
PubChem Substance ID:
NACRES:
NA.23

Quality Level

vapor density

6.7 (vs air)

vapor pressure

<0.01 mmHg

assay

99%

mol wt

average Mn 200

refractive index

n20/D 1.459 (lit.)

bp

314 °C (lit.)

mp

−5.6 °C (lit.)

density

1.125 g/mL at 25 °C (lit.)

Ω-end

hydroxyl

α-end

hydroxyl

SMILES string

OCCOCCOCCOCCO

InChI

1S/C8H18O5/c9-1-3-11-5-7-13-8-6-12-4-2-10/h9-10H,1-8H2

InChI key

UWHCKJMYHZGTIT-UHFFFAOYSA-N

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General description

An oligomer of polyethylene glycol, tetra (ethylene glycol) (TEG) is a transparent, colorless, odorless, low volatility, hygroscopic liquid soluble in ethyl alcohol and very soluble in water.

Application

Used for the synthesis of tetraethylene glycol metha acrylate monomer.

Glow discharge plasma deposition of TEG renders surfaces resistant to protein adsorption and cellular attachment.

Packaging

100 g in poly bottle
20 kg in steel drum
1, 3 kg in poly bottle

Caution

Do not confuse with glycofurol, which is also sometimes called tetraglycol.

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

NONH for all modes of transport

WGK Germany

WGK 2

Flash Point(F)

359.6 °F - closed cup

Flash Point(C)

182 °C - closed cup

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Recently, intensive efforts are dedicated to convert and store the solar energy in a single device. Herein, dye-synthesized solar cell technology is combined with lithium-ion materials to investigate light-assisted battery charging. In particular we report the direct photo-oxidation of lithium...
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Significant, otherwise-unavailable information about mechanisms and transition states (TS) of protein folding and binding is obtained from solute effects on rate constants. Here we characterize TS for lac repressor(R)-lac operator(O) binding by analyzing effects of RO-stabilizing and RO-destabilizing solutes on...
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