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Sigma-Aldrich

Ethylene glycol butyl ether

spectrophotometric grade, ≥99.0%

Synonym(s):

2-Butoxyethanol, Butyl glycol

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About This Item

Linear Formula:
CH3(CH2)3OCH2CH2OH
CAS Number:
111-76-2
Molecular Weight:
118.17
Beilstein/REAXYS Number:
1732511
EC Number:
203-905-0
MDL number:
MFCD00002884
UNSPSC Code:
12352104
PubChem Substance ID:
329752806
NACRES:
NA.21
grade:
spectrophotometric grade
assay:
≥99.0%
technique(s):
UV/Vis spectroscopy: suitable
bp:
169-172.5 °C (lit.)
vapor pressure:
<1 mmHg ( 20 °C)
10 mmHg ( 81 °C)

grade

spectrophotometric grade

Quality Level

200

vapor density

4.1 (vs air)

vapor pressure

<1 mmHg ( 20 °C)
10 mmHg ( 81 °C)

assay

≥99.0%

form

liquid

autoignition temp.

473 °F

expl. lim.

10.6 %

technique(s)

UV/Vis spectroscopy: suitable

impurities

≤0.1% water

evapn. residue

<0.001%

refractive index

n20/D 1.419 (lit.)

bp

169-172.5 °C (lit.)

mp

−75 °C (lit.)

density

0.902 g/mL at 25 °C (lit.)

λ

H2O reference

UV absorption

λ: 230 nm Amax: 1.0
λ: 250 nm Amax: 0.10
λ: 275 nm Amax: 0.05
λ: 300-400 nm Amax: 0.01

SMILES string

CCCCOCCO

InChI

1S/C6H14O2/c1-2-3-5-8-6-4-7/h7H,2-6H2,1H3

InChI key

POAOYUHQDCAZBD-UHFFFAOYSA-N

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General description

Ethylene glycol butyl ether is a member of the glycol ether family. It is commonly used as a solvent for pharmaceuticals, agricultural chemicals hydraulic fluids, resins, and varnishes. Ethylene glycol butyl ether or 2-Butoxyethanol (BEG) has an amphiphilic character, it can be utilized to stabilize emulsions, particularly in oil spill dispersants.

Application

Ethylene glycol butyl ether is used as a co-solvent:,In the preparation of conductive inks.

pictograms

Skull and crossbones
GHS06

signalword

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk_germany

WGK 1

flash_point_f

152.6 °F - Pensky-Martens closed cup

flash_point_c

67 °C - Pensky-Martens closed cup

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Certificates of Analysis (COA)

Lot/Batch Number
SHBN7338
SHBN1468
SHBM7965
SHBM7329
SHBM2435

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B S Dean et al.
Journal of toxicology. Clinical toxicology, 30(4), 557-563 (1992-01-01)
Ethylene glycol butyl ether, CAS 111-76-2, an ingredient in many popular commercial window/glass cleaners, is known to produce equal if not greater toxicity than ethylene glycol when administered to animals. Treatment recommendations for human poisonings are based upon animal data
Reproductive toxicology. Ethylene glycol monobutyl ether.
Environmental health perspectives, 105 Suppl 1, 217-218 (1997-02-01)
Lisa M Kamendulis et al.
Toxicology, 270(2-3), 131-136 (2010-02-16)
2-Butoxyethanol increases hemangiosarcomas selectively in male mouse liver after chronic inhalation through mechanisms that have not fully been elucidated. Hemolysis, a primary toxic effect associated with 2-butoxyethanol exposure in rodents, increased hemosiderin (iron) deposition in Kupffer cells in the liver.
Annette L Bunge et al.
International journal of pharmaceutics, 435(1), 50-62 (2012-02-15)
Absorption of 2-butoxyethanol (BE) from neat and aqueous solutions of BE was measured through rat skin in vitro and in vivo and through silicone membranes. Like previous studies in human and guinea pig skin, BE flux increased proportional to BE
Gintautas Korinth et al.
Toxicology letters, 170(2), 97-103 (2007-04-07)
We determined percutaneous absorption kinetics of 2-butoxyethanol (BE) in volunteers using microdialysis. Four male volunteers were dermally exposed twice to 90% and 50% aqueous solutions (v/v) of BE for 4.5h. To determine percutaneous absorption kinetics the concentration of BE was
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