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1,1-Dibromoethane is a clear, slightly brown, flammable chemical compound. [3] It is classified as the organobromine compound, and has the chemical formula C 2 H 4 Br 2 [4] and it is a position isomer of 1,2-dibromoethane. It is commonly seen in industrial chemistry, where it is used as a fuel additive. [5]
Detail of 12th-century stained glass window in Strasbourg Cathedral; black and white paint has been used on the coloured glass. Secondly it refers to stained glass, used for windows. Here the design is made up using sheets of coloured glass, cut to shape and held in place by lead. The painting is the final stage, typically only in black. [2]
Dibromomethane is used as a solvent, gauge fluid, and in organic synthesis (often as 1 H-NMR internal standard). [3] It conviently converts polyols (such as catechols ) to their methylenedioxy derivatives, and bromomethylenates enolates .
Dibromoethane can refer to either of two isomeric organobromides with the molecular formula C 2 H 4 Br 2: 1,1-Dibromoethane (ethylidene dibromide) 1,2-Dibromoethane (ethylene dibromide)
1,2-Dibromoethane has wider applications in the preparation of other organic compounds including those carrying modified diazocine rings [9] and vinyl bromide that is a precursor to some fire retardants. [4] In organic synthesis, 1,2-dibromoethane is used to brominate carbanions and to activate magnesium for certain Grignard reagents.
In 1916, The Vitrolite Company began manufacturing the product under the name "Vitrolite", [13] which eventually became a generic name for pigmented structural glass. [2] [d] In time, about eight American firms made pigmented structural glass, [2] although Carrara glass and Vitrolite dominated the market.
1,3-Dibromopropane is an organobromine compound with the formula (CH 2) 3 Br 2. It is a colorless liquid with sweet odor. It is used in organic synthesis to form C 3-bridged compounds such as through C-N coupling reactions. 1,3-Dibromopropane was used in the first cyclopropane synthesis in 1881, known as the Freund reaction. [4]
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