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110-71-4 - 1,2-Dimethoxyethane, 99+%, stab. with BHT - DME - Ethylene glycol dimethyl ether - A12986 - Alfa Aesar

A12986 1,2-Dimethoxyethane, 99+%, stab. with BHT

CAS-Nummer
110-71-4
Synonyme
DME
Ethylene glycol dimethyl ether

Größe Preis ($) Menge Verfügbarkeit
100ml 30,82
500ml 57,99
2500ml 214,24
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1,2-Dimethoxyethane, 99+%, stab. with BHT

MDL
MFCD00008502
EINECS
203-794-9

Chemische Eigenschaften

Formel
C4H10O2
Molmasse
90.12
Schmelzpunkt
-69°
Siedepunkt
84-86°
Flammpunkt
-6°(21°F)
Dichte
0.867
Brechungsindex
1.3800
Löslichkeit
Miscible with water, methanol, ethanol, diethyl ether, acetone, tetrahydrofuran, benzene and toluene.

Anwendungen

1,2-Dimethoxyethane is widely used as a solvent for electrolyte of lithium batteries, polysilicones, oligo- and polysaccharides. It plays an important role in Grignard reactions, Suzuki reactions and Stille couplings in organometallic chemistry and in pharmaceutical synthesis. It is a higher boiling point solvent and is used as an alternative to diethyl ether and tetrahydrofuran. It is used for the etching of synthetic polymers like polytetrafluoroethylene and other fluoropolymers with alkali metal dispersions.

Bemerkungen

Keep away from sources of ignition. Keep container tightly closed in a dry and well-ventilated place. Incompatible with strong oxidizing agents. It can be oxidized on air to form peroxides.

Literaturverweise

Solvent for lithiations and metal hydride reductions.

Recommended solvent for the Schmidt reaction of ketones with hydrazoic acid, avoiding potential hazards reported with the more usual chlorinated solvents, particularly chloroform. The hydrazoic acid is generated in situ from NaN3 and methanesulfonic acid: Tetrahedron, 52, 1609 (1996).

/n

Che, P.; Lu, F.; Si, X.; Xu, J. Catalytic etherification of hydroxyl compounds to methyl ethers with 1,2-dimethoxyethane. RSC Adv. 2015, 5 (31), 24139-24143.

Monreal, M. J.; Thomson, R. K.; Scott, B. L.; Kiplinger, J. L. Enhancing the synthetic efficacy of thorium tetrachloride bis(1,2-dimethoxyethane) with added 1,2-dimethoxyethane: Preparation of metallocene thorium dichlorides. Inorg. Chem. Commun. 2014, 46, 51-53.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H225-H360-H332

Highly flammable liquid and vapour. May damage fertility or the unborn child. Harmful if inhaled.

Sicherheitshinweise: P210-P201-P261-P280-P281-P240-P303+P361+P353-P304+P340-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Obtain special instructions before use. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. Use personal protective equipment as required. Ground/bond container and receiving equipment. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Merck
14,3224
Beilstein
1209237
Gefahrenklasse
3
Verpackungsgruppe
II
Harmonized Tariff Code
2909.19
TSCA
Yes
RTECS
KI1451000

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