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Sigma-Aldrich

Diethylene glycol

puriss. p.a., ≥99.0% (GC), colorless

Synonym(s):

2,2′-Oxydiethanol, 2-Hydroxyethyl ether, Bis(2-hydroxyethyl) ether, Diglycol

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About This Item

Linear Formula:
(HOCH2CH2)2O
CAS Number:
111-46-6
Molecular Weight:
106.12
Beilstein/REAXYS Number:
969209
EC Number:
203-872-2
MDL number:
MFCD00002882
UNSPSC Code:
12352100
PubChem Substance ID:
57648659
NACRES:
NA.21

description

non-ionic

Quality Level

200

grade

puriss. p.a.

assay

≥99.0% (GC)

form

viscous liquid (clear)

autoignition temp.

442 °F

expl. lim.

2-12.3 %

impurities

≤0.003% peroxides (as H2O2)
≤0.01% free acid (as CH3COOH)
≤0.1% water
≤0.8% ethylene glycol (HOCH2CH2OH)

color

colorless
APHA: ≤25

refractive index

n20/D 1.447

density

1.116 g/mL at 20 °C
1.118 g/mL at 25 °C (lit.)

cation traces

Ca: ≤5 mg/kg
Cd: ≤1 mg/kg
Co: ≤1 mg/kg
Cr: ≤1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤2 mg/kg
K: ≤20 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Na: ≤20 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Zn: ≤10 mg/kg

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 formed as side reaction product during the esterification reaction of terephthalic acid with ethylene glycol. It readily forms complexes with 3d transition metal cations in the presence of alkaline hydroxide. Its solutions are widely employed for antifreeze and lubricating applications. Oxidative degradation of DEG with ozone by modified Fenton process (mixture of hydrogen peroxide and ferric salt) was described in a study.

Application

Diethylene glycol may be used for electrodeposition of cadmium sulfide (CdSe) films. It may be used to compose the fluoride ion electrolytes, for use in the preparation of self-organized titania nanotube arrays.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H302

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

280.4 °F - closed cup

flash_point_c

138 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
BCCG9554
BCCF3838
BCCD5412
BCCG2302
BCCC7604

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Synthesis of ordered arrays of discrete, partially crystalline titania nanotubes by Ti anodization using diethylene glycol electrolytes.
Yoriya S, et al.
Journal of Materials Chemistry, 18(28), 3332-3336 (2008)
Formation of diethylene glycol as a side reaction during production of polyethylene terephthalate.
Hovenkamp SG and Munting JP.
Journal of Polymer Science Part A: Polymer Chemistry, 8(3), 679-682 (1970)
The physical properties of CdS thin films electrodeposited from aqueous diethylene glycol solutions.
Baranski AS, et al.
Journal of Applied Physics, 54(11), 6390-6394 (1983)
Daniela Caruntu et al.
Inorganic chemistry, 41(23), 6137-6146 (2002-11-12)
Study of the reactivity of 3d transition metal cations in diethylene glycol solutions revealed several key features that made it possible to develop a new method for synthesis of the nanocrystalline transition metal ferrites. The 3-7 nm particles of [MFe2O4]n[O2CR]m
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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