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Encyclopedia > Phenyl

In chemistry, the phenyl group or phenyl ring (often abbreviated as -Ph) is the functional group with the formula Chemistry (in Greek: χημεία) is the science of matter that deals with the composition, structure, and properties of substances and with the transformations that they undergo. ... In ecology functional groups are collections of organisms based on morphological, physiological, behavioral, biochemical, or environmental responses or on trophic criteria. ...

-C6H5

Picture General Name, Symbol, Number carbon, C, 6 Chemical series nonmetals Group, Period, Block 14, 2, p Appearance black (graphite) colorless (diamond) Atomic mass 12. ... General Name, Symbol, Number hydrogen, H, 1 Chemical series nonmetals Group, Period, Block 1, 1, s Appearance colorless Atomic mass 1. ...


where the six carbon atoms are arranged in a cyclic manner. This hydrophobic and aromatic hydrocarbon unit can be found in many organic compounds. It can be thought of as being derived from benzene (C6H6). One of the simplest phenyl containing compounds is phenol. In chemistry, hydrophobic or lipophilic species, or hydrophobes, tend to be electrically neutral and nonpolar, and thus prefer other neutral and nonpolar solvents or molecular environments. ... In chemistry, an aromatic molecule is one in which electrons are free to cycle around circular arrangements of atoms, which are alternately singly and doubly bonded to one another. ... // Definition In chemistry, a hydrocarbon is any chemical compound that consists only of carbon (C) and hydrogen (H). ... An organic compound is any member of a large class of chemical compounds whose molecules contain carbon, with exception of carbides, carbonates and carbon oxides. ... Benzene, C6H6, PhH, or benzol is a colorless and flammable liquid with a pleasant, sweet smell. ... General Name, Symbol, Number carbon, C, 6 Chemical series nonmetals Group, Period, Block 14, 2, p Appearance black (graphite) colorless (diamond) Atomic mass 12. ... General Name, Symbol, Number hydrogen, H, 1 Chemical series nonmetals Group, Period, Block 1, 1, s Appearance colorless Atomic mass 1. ... Phenol, also known under the old name carbolic acid, is a colorless crystalline solid with a typical sweet tarry odor. ...


Presence of a phenyl group typically results in an 1H-NMR shift around 7.4ppm. Pacific Northwest National Laboratorys high magnetic field (800 MHz) NMR spectrometer being loaded with sample. ...


The phenylene group is formally a benzene di-radical. For example, poly(p-phenylene) is a polymer built up from phenylene repeating units. Radical is derived from the Latin word radix, which means root. In various fields of endeavor, it can mean: Sciences in chemistry, either an atom or molecule with at least one unpaired electron, or a group of atoms, charged or uncharged, that act as a single entity in reaction. ... Poly(p-phenylene) (PPP) is conducting polymer of the rigid-rod polymer host family. ... A polymer is a generic term used to describe a substantially long molecule. ...


  Results from FactBites:
 
PHENYL MERCAPTAN (Partially Validated Method #2075) (1629 words)
Phenyl mercaptan is regenerated from the mercuric phenyl mercaptide, formed during sampling, by treatment with hydrochloric acid.
Phenyl mercaptan is used as a chemical intermediate, solvent, and as an insect larvicide.
Exposure to phenyl mercaptan causes restlessness, then increased respiration, incoordination, muscular weakness, skeletal muscle paralysis of the hind limbs, cyanosis, lethargy and/or sedation, respiratory depression, followed by coma and death.
Phenyl-Based Silicones - Clearco Products (209 words)
High phenyl content fluids are utilized as heat exchange fluids, dielectric coolants, and base oils for high temperature fluids.
With the introduction of phenyl groups into the polysiloxane, oxidation resistance, thermal stability and shear resistance are enhanced.
Low viscosity phenyl fluids (DPF-7040 and DPF-7050) are formulated for use as diffusion pump fluids.
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