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Sigma-Aldrich

Diisopropyl ether

ReagentPlus®, 99%, contains either BHT or hydroquinone as stabilizer

Synonym(s):

Isopropyl ether

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About This Item

Linear Formula:
(CH3)2CHOCH(CH3)2
CAS Number:
108-20-3
Molecular Weight:
102.17
Beilstein/REAXYS Number:
1731256
EC Number:
203-560-6
MDL number:
MFCD00008880
UNSPSC Code:
12191502
PubChem Substance ID:
329751685
NACRES:
NA.07

vapor density

3.5 (vs air)

Quality Level

100

vapor pressure

120 mmHg ( 20 °C)

product line

ReagentPlus®

assay

99%

form

liquid

autoignition temp.

827 °F

expl. lim.

1-21 %, 100 °F

refractive index

n20/D 1.367 (lit.)

bp

68-69 °C (lit.)

mp

−85 °C (lit.)

density

0.725 g/mL at 25 °C (lit.)

SMILES string

CC(C)OC(C)C

InChI

1S/C6H14O/c1-5(2)7-6(3)4/h5-6H,1-4H3

InChI key

ZAFNJMIOTHYJRJ-UHFFFAOYSA-N

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General description

Diisopropyl ether is a colorless liquid. It is widely used as a solvent for the isolation of fats and oils. It can be synthesized from isopropyl alcohol. Its mixture with isooctane has been added to the gasoline fuel as an antiknocking agent. Its synthesis from propylene and water in a single-pass trickle-bed reactor in the presence of an ion-exchange resin catalyst Amberlyst 15 has been proposed. Its efficacy as a fuel additive has been reported. When released in the atmosphere, it undergoes photodecomposition by reacting with OH radicals. Kinetics and mechanism of its reaction in atmosphere have been reported.

application

Diisopropyl ether may be employed as a solvent for the preparation of aliphatic and aromatic cyanohydrins.

Legal Information

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

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Danger

hcodes

H225,H336

Hazard Classifications

Flam. Liq. 2 - STOT SE 3

target_organs

Central nervous system

supp_hazards

EUH019,EUH066

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

-20.2 °F - closed cup

flash_point_c

-29 °C - closed cup

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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Atmospheric chemistry of automotive fuel additives: diisopropyl ether.
Wallington TJ, et al.
Environmental Science & Technology, 27(1), 98-104 (1993)
Single stage synthesis of diisopropyl ether-an alternative octane enhancer for lead-free petrol.
Heese FP, et al.
Catalysis Today, 49(1), 327-335 (1999)
Eagleson M.
Concise Encyclopedia Chemistry, 325-325 (1994)
Novel (R)-oxynitrilase sources for the synthesis of (R)-cyanohydrins in diisopropyl ether.
Kiljunen E and Kanerva LT.
Tetrahedron Asymmetry, 8(8), 1225-1234 (1997)
R Gonzalez-Olmos et al.
Chemosphere, 71(11), 2098-2105 (2008-02-27)
Methyl tert-butyl ether (MTBE) is the most widely used oxygenate in gasoline blending and has become one of the world's most widespread groundwater and surface water pollutants. Alternative oxygenates to MTBE, namely ethyl tert-butyl ether (ETBE), tert-amyl ether (TAME) and
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