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296082 Sigma-Aldrich

Diethyl ether

contains 1 ppm BHT as inhibitor, anhydrous, ≥99.7%

Synonym: Ether, Ethyl ether

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Properties

Related Categories Anhydrous, Anhydrous Solvents, Diethyl Ether, Returnable Containers, Solvent by Type,
grade   anhydrous
vapor density   2.6 (vs air)
vapor pressure   28.66 psi ( 55 °C)
  8.56 psi ( 20 °C)
assay   ≥99.7%
autoignition temp.   320 °F
contains   1 ppm BHT as inhibitor
expl. lim.   36.5 %
impurities   <0.003% water
  <0.005% water (100 mL pkg)
evapn. residue   <0.0003%
color   colorless
refractive index   n20/D 1.3530(lit.)
bp   34.6 °C(lit.)
  34.6 °C
mp   −116 °C(lit.)
density   0.706 g/mL at 25 °C(lit.)

Description

Packaging

1, 6×1 L in Sure/Seal™

View returnable container options.

100, 12×100 mL in Sure/Seal™

18 L in Pure-Pac™ 1

Price and Availability

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
Supplemental Hazard Statements 
May form explosive peroxides., Repeated exposure may cause skin dryness or cracking.
RIDADR 
UN1155 - class 3 - PG 1 - Diethyl ether
WGK Germany 
1
RTECS 
KI5775000
Flash Point(F) 
-40 °F
Flash Point(C) 
-40 °C

Documents

Certificate of Analysis

Certificate of Origin

Protocols & Articles

Articles

A New Biarylphosphine Ligand for the Pd-Catalyzed Synthesis of Diaryl Ethers under Mild Conditions

An efficient, general palladium catalyst for C-O bond-forming reactions of secondary and primary alcohols with a range of aryl halides has been developed using the ligand�1. Heteroaryl halides, and f...
Keywords: Chromatography, Flash chromatography, Ligands

A New Palladium Precatalyst Allows for the Fast Suzuki-Miyaura Coupling Reactions of Unstable Polyfluorophenyl and 2-Heteroaryl Boronic Acids

A method for the Pd-catalyzed coupling of 2-aminothiazole derivatives with aryl bromides and triflates is described. Significantly, for this class of nucleophiles, the coupling exhibits a broad subst...
Keywords: Catalysis, Chromatography

Copper-Free Sonogashira Coupling of Cyclopropyl Iodides with Terminal Alkynes

An efficient palladium-catalyzed cyanation of aryl chlorides is established. In the presence of a highly effective Pd/CM-phos catalyst, cyanation of aryl chlorides proceeds at 71 �C in general, which...
Keywords: Catalysis, Chromatography, Column chromatography, Gas chromatography, Ligands, Nuclear magnetic resonance spectroscopy

Design and preparation of new palladium precatalysts for C-C and C-N cross-coupling reactions

Good to excellent yields�of aryl trifluoromethyl sulfides, which are an important class of compounds in both the pharmaceutical and agrochemical areas, can be achieved under mild conditions by the Pd...
Keywords: Agrochemicals, Catalysis, Pharmaceutical

Determination of Water Content in Diethyl ether Using Karl Fischer Titration

Ethers behave similarly to hydrocarbons. They are mostly adequately soluble in methanol. Only long chain ethers require the addition of propanol or chloroform as solubilizers. Double bonds can someti...
Keywords: Pharmaceutical, Titrations

Palladium/Tris(tert-butyl)phosphine-Catalyzed Suzuki Cross- Couplings in the Presence of Water

The Suzuki reaction is an exceptionally useful cross-coupling process that has been widely applied in synthetic chemistry, and boronic acids are, by far, the most commonly employed coupling partner. ...
Keywords: Chromatography, Column chromatography, Cross couplings, Eliminations, Oxidative additions, Suzuki reactions

Pd-PEPPSI-IPent: An Active, Sterically Demanding Cross-Coupling Catalyst and Its Application in the Synthesis of Tetra-Ortho- Substituted Biaryls-

The halogenated 1H-1,2,4-triazole glycosides 6-11 were synthesized by BF3-activated glycosylation of 3(5)-chloro-1,2,4- triazole (2), 3,5-dichloro-1,2,4-triazole (3), 3,5-dibromo-1,2,4-triazole (4), ...
Keywords: Arylations, Catalysis, Coupling reactions, Cross couplings, Glycosylations, Purification, Separation

Pd-PEPPSI-IPent: Low-Temperature Negishi Cross-Coupling for the Preparation of Highly Functionalized, Tetra-ortho-Substituted Biaryls-

A convenient protocol for the rapid and efficient synthesis of 3-(N-substituted) aminocoumarins is described. The synthetic route developed involves the Pd-catalyzed C-N coupling reaction from readil...
Keywords: Catalysis, Chromatography, Column chromatography, Coupling reactions, Purification

The First Applications of Carbene Ligands in Cross-Couplings of Alkyl Electrophiles: Sonogashira Reactions of Unactivated Alkyl Bromides and Iodides

The synthesis of ?,?-alkynyl esters and amides using air-stable potassium alkynyltrifluoroborates as nucleophilic partners in a mild Suzuki-Miyaura cross-coupling reaction has been achieved. Propargy...
Keywords: Chromatography, Column chromatography, Coupling reactions, Cross couplings

The Palladium-Catalyzed Trifluoromethylation of Aryl Chlorides

A series of N-heterocyclic carbene catalysts (see picture) were prepared and evaluated in the Suzuki-Miyaura reaction. A variety of sterically encumbered tetra-ortho-substituted biaryl products were ...
Keywords: Chromatography, Flash chromatography

Peer-Reviewed Papers
15

References

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