Search results
Results from the WOW.Com Content Network
4-Fluorobromobenzene is synthesized via bromination of fluorobenzene in the presence of a Lewis acid catalyst such as iron(III) bromide or aluminium tribromide. [2]4-Bromofluorobenzene is regarded by the Toxic Substances Control Act as a high production volume chemical, that is, a chemical that 1 million pounds (about 500 tonnes) per year is either produced in or imported to the United States.
This reagent can be used, e.g. in the reaction with carbon dioxide to prepare benzoic acid. [4] Other methods involve palladium-catalyzed coupling reactions , such as the Suzuki reaction . Bromobenzene is used as a precursor in the manufacture of phencyclidine .
It is somewhat soluble in water and readily evaporates into the air. Bromoform is the main trihalomethane produced in beachfront salt water swimming pools with concentrations as high as 1.2 ppm (parts per million). Concentrations in freshwater pools are 1000 times lower. [9] Occupational skin exposure limits are set at 0.5 ppm. [10]
3-Bromobenzaldehyde [2] 4-Bromobenzaldehyde [3] [4] Structure Molecular formula: C 7 H 5 BrO (BrC 6 H 4 COH) Molar mass: 185.020 g/mol Appearance colorless liquid colorless liquid white solid CAS number [6630-33-7] [3132-99-8] [1122-91-4] Properties Density and phase: 1.585 g/ml, liquid 1.587 g/ml, liquid solid Solubility in water: practically ...
Bromophenols (as well as PBDEs) were detected in 88% of samples, with 2,4,6-Tribromophenol present in 84% of breast milk samples alone. This was widely reported [ 2 ] [ 3 ] and has raised questions about restricting the use of brominated flame retardants in the future.
4,4’-Difluorobenzophenone is an organic compound with the formula of (FC 6 H 4) 2 CO. This colorless solid is commonly used as a precursor to PEEK , or polyetherether ketone, a so-called high performance polymer.
PhF behaves rather differently from other halobenzene derivatives owing to the pi-donor properties of fluoride. For example, the para position is more activated than benzene toward electrophiles. For this reason, it can be converted to 1-bromo-4-fluorobenzene with relatively high efficiency. [3]
4-Bromobenzaldehyde, or p-bromobenzaldehyde, is an organobromine compound with the formula BrC 6 H 4 CHO. It is one of three isomers of bromobenzaldehyde . [ 3 ] It displays reactivity characteristic of benzaldehyde and an aryl bromide .