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H26456

Sigma-Aldrich

Diethylene glycol

ReagentPlus®, 99%

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Synonym(s):
2,2′-Oxydiethanol, 2-Hydroxyethyl ether, Bis(2-hydroxyethyl) ether, Diglycol
Linear Formula:
(HOCH2CH2)2O
CAS Number:
111-46-6
Molecular Weight:
106.12
Beilstein:
969209
EC Number:
203-872-2
MDL number:
MFCD00002882
UNSPSC Code:
12352104
PubChem Substance ID:
24895513
NACRES:
NA.21

description

non-ionic

Quality Level

200

product line

ReagentPlus®

Assay

99%

form

liquid
viscous liquid

autoignition temp.

442 °F

expl. lim.

2-12.3 %

pH

5.0-8 (20 °C, 500 g/L)

density

1.118 g/mL at 25 °C (lit.)

SMILES string

OCCOCCO

InChI

1S/C4H10O3/c5-1-3-7-4-2-6/h5-6H,1-4H2

InChI key

MTHSVFCYNBDYFN-UHFFFAOYSA-N

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General description

Diethylene glycol (DEG) is employed as a comonomer during the synthesis of poly (ethylene terephthalate) (PET). It undergoes oxidation on treatment with nitric acid. Its toxicity has been assessed. The ozonation and modified Fenton oxidation of DEG have been investigated.

Application

Diethylene glycol may be used in the preparation of bis(2,2′:6′,2″-terpyrid-4′-yl) diethylene glycol, which can act as a precursor for producing water-soluble coordination polymers.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302

Precautionary Statements

P264 - P270 - P301 + P312 - P501

Hazard Classifications

Acute Tox. 4 Oral

WGK

WGK 1

Flash Point(F)

closed cup

Flash Point(C)

closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Degradation mechanism of diethylene glycol units in a terephthalate polymer.
Lecomte HA and Liggat. JJ.
Polymer Degradation and Stability, 91(4), 681-689 (2006)
Metallo-supramolecular diethylene glycol: water-soluble reversible polymers.
Schmatloch S, et al.
Macromolecular Rapid Communications, 23(16), 957-961 (2002)
Oxidation of diethylene glycol with nitric acid.
Svetlakov NV, et al.
Russ. J. Org. Chem., 38(5), 753-753 (2002)
Diethylene glycol poisoning.
Schep LJ, et al.
Clinical Toxicology, 47(6), 525-535 (2009)
Tuba Turan-Ertas et al.
Chemosphere, 47(3), 293-301 (2002-05-09)
This paper describes a study of oxidation of diethylene glycol (DEG) by ozone and modified Fenton process (hydrogen peroxide and ferric salt mixture) in aqueous solution. Both oxidation processes were able to oxidize relatively high concentrations of DEG effectively. DEG
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