2024年4月29日 · Chrysene - cas 218-01-9, synthesis, structure, density, melting point, boiling point

Chrysene is a polycyclic aromatic hydrocarbon (PAH) with the molecular formula C 18 H 12 [4] that consists of four fused benzene rings. It is a natural constituent of coal tar, from which it was first isolated and characterized.It is also found in creosote at levels of 0.5–6 mg/kg. [5]The name "chrysene" originates from Greek Χρύσoς (chrysos), meaning "gold", and is due to the golden ...

Chrysene occurs ubiquitously and in about the same concentration as benzo(a)pyrene in products of incomplete combustion. ln addition, chrysene and, preferentially, related stuctures (methyl-substituted and partially hydrogenated chrysenes) occur in higher concentrations than most of the other polynuclear aromatic hydrocarbons in fossil fuels ...

Chrysene is a four-ring (fused benzene rings) polycyclic aromatic hydrocarbon (PAH) and is produced from combustion of carbonaceous organic matter such as coal, gasoline, garbage, animal and plant materials (International Agency for Research on Cancer (IARC), 1983).This chemical was first isolated from coal tar as one of its major components. Of concern is that …

2020年12月21日 · Chrysene is a polynuclear aromatic hydrocarbon that OSHA has identified as one of a number of typical components of the benzene-soluble fraction of coal tar pitch volatiles. Other components include anthracene, benzo[a]pyrene, phenanthrene, acridine, and pyrene. Chrysene is characteristic of coal tar pitch volatiles (PEL is 0.2 mg/m³) and/or ...

Chrysene-D12; Other names: Benzo[a]phenanthrene; 1,2-Benzophenanthrene; 1,2-Benzphenanthrene; Benz(a)phenanthrene; 1,2,5,6-Dibenzonaphthalene; Rcra waste number U050; Crysene Permanent link for this species. Use this link for bookmarking this species for future reference. Information on this page: Mass spectrum (electron ionization) References ...

Chrysene can be synthesized through a process known as flash vacuum pyrolysis (FVP), where a precursor compound such as 1,1′-biphenyl is rapidly heated to high temperatures in a vacuum. This method, however, is mostly used in research settings. Commercially, chrysene is often isolated from coal tar, a by-product of the carbonization (heating ...

The name "chrysene" originates from Greek Χρύσoς (chrysos), meaning "gold", and is due to the golden-yellow color of the crystals of the hydrocarbon, thought to be the proper color of the compound at the time of its isolation and characterization.However, high purity chrysene is colorless, the yellow hue being due to the traces of its yellow-orange isomer tetracene, which …

Chrysene is a polycyclic aromatic hydrocarbon (PAH) with the molecular formula C 18 H 12 that consists of four fused benzene rings. It is a natural constituent of coal tar, from which it was first isolated and characterized.It is also found in creosote, a chemical used to preserve wood.. Chrysene is formed in small amounts during the burning or distillation of coal, crude oil, and …

2023年10月20日 · Chrysene structure: The four benzene rings are condensed in a way that enables multiple resonance structures, adding to the stability of the Chrysene molecule. Chrysene formula: The chemical formula of Chrysene is \[C_{18}H_{12}\]. Chrysene uses: It is widely used in dye manufacturing, metallurgical procedures, and the production of certain ...