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8.00866

Sigma-Aldrich

Diisopropyl ether

(stabilized with 2,6-di-tert-butyl-4-methylphenol (BHT)) for synthesis

Synonym(s):

2,2′-Oxybis[propane], 2,2-Propoxypropane, 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
MDL number:
MFCD00008880
UNSPSC Code:
12352112
EC Index Number:
203-560-6
NACRES:
NA.22

vapor density

3.5 (vs air)

Quality Level

200

vapor pressure

120 mmHg ( 20 °C)

assay

≥99% (GC)

form

liquid

autoignition temp.

827 °F

potency

5880 mg/kg LD50, oral (Rat)
>20000 mg/kg LD50, skin (Rabbit)

expl. lim.

1-21 %, 100 °F

refractive index

n20/D 1.367 (lit.)

pH

7 (20 °C)

bp

68-69 °C (lit.)

mp

−85 °C (lit.)

transition temp

flash point -28 °C

solubility

3.11 g/L

density

0.725 g/mL at 25 °C (lit.)

storage temp.

2-30°C

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

Related Categories

General description

Diisopropylether (DIPE) is secondary ether. Besides its high-octane number, it has low toxicity, low production cost, and good anti-knock properties. It is flammable, non-reactive, colorless, and slightly soluble in water but has a high solubility in organic compounds. Due to its ability to liquefy oil-based solutions, it is being used as a solvent in paints, waxes, dyes, and stain removal. DIPE serves as a solvent in various chemical processes, also used as an extractant and oxygenate in motor fuel.

Application

Diisopropyl ether is used as a solvent in the aza-Michael addition of mono-and bifunctional amines to acrylate.

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.722 - 0.724
Peroxide (as H₂O₂): ≤ 0.005 %
Identity (IR): passes test

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Danger

Hazard Classifications

Flam. Liq. 2 - STOT SE 3

target_organs

Respiratory 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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Thermophysical properties of ternary liquid mixture of diisopropyl ether (1)+ ethanol (2)+ n-heptane (3): Measurement and correlation
Kashyap P, et al.
Journal of Molecular Liquids, 319, 114219-114219 (2020)

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