Phenanthrene is a polycyclic aromatic hydrocarbon commonly found in coal tar and oil. Its spelling may seem complex, but it follows the International Phonetic Alphabet (IPA). The first syllable is pronounced /fɛ/, like "fen" with a short "e" sound. The second syllable is pronounced /nænθ/ with a short "a" sound and a theta (θ) sound instead of "th". The final syllable is pronounced /rin/ with a short "i" sound and a rolled "r". Understanding the IPA can help with pronunciation and spelling of complex scientific terms.
Phenanthrene is a polycyclic aromatic hydrocarbon (PAH) compound composed of three benzene rings fused together in a linear arrangement. It is a white, crystalline solid with a distinct aroma and is commonly found in the environment as a component of coal tar, crude oils, and petroleum.
Chemically, phenanthrene is represented by the molecular formula C14H10, and its structure consists of three fused benzene rings connected by five carbon atoms. It belongs to the larger family of polyaromatic hydrocarbons, which are formed as a result of incomplete combustion processes, such as burning fossil fuels, wood, or other organic materials.
Phenanthrene is insoluble in water but soluble in organic solvents such as alcohol, ether, and benzene. It is a highly stable compound and can resist degradation through photolysis, oxidation, or microbial activity.
Due to its presence in various environmental sources, phenanthrene is considered a potential environmental pollutant. It poses a risk to human health and the environment as it is highly toxic, mutagenic, and potentially carcinogenic. Inhalation or ingestion of phenanthrene or exposure through skin contact may lead to respiratory problems, skin irritation, or even cancer development. Therefore, it is important to minimize exposure to phenanthrene and other PAHs to ensure environmental and human safety.
A hydrocarbon, isomeric with anthracene, derived from coal-tar; it occurs in the form of colorless plates.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "phenanthrene" originates from the combination of two Greek words: "phen" meaning "to appear" or "to show", and "anthrene" meaning "coal tar". Phenanthrene is a polycyclic aromatic hydrocarbon derived from coal tar, and the name reflects its origin and composition.