benzopyrene

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Related to benzopyrene: benzanthracene

benzopyrene

[¦ben·zō¦pī‚rēn]

(organic chemistry)

C₂₀H₁₂ A five-ring aromatic hydrocarbon found in coal tar, in cigarette smoke, and as a product of incomplete combustion; yellow crystals with a melting point of 179°C; soluble in benzene, toluene, and xylene.

References in periodicals archive ?

Benzopyrene is a powerful carcinogen which accounts to about 20-40mg per cigarette.

Tobacco related habits vs oral mucosa

The compounds mainly fall into the following 12 aromatic hydrocarbon series: naphthalene (m/z 128, m/z 142, m/z 156, m/z 170, m/z 184, m/z 198), phenanthrene (m/z 178, m/z 192, m/z 206, m/z 220), benzopyrene (m/z 252), fluoranthene (m/z 202, m/z 216), dibenzothiophene (m/z 184, m/z 198, m/z 212, m/z 226), benzonaphthothiophene (m/z 234), dibenzofuran (m/z 168, m/z 182, m/z 196), fluorene (m/z 166, m/z 180, m/z 194), chrysene (m/z 228, m/z 242, m/z 256), biphenyl (m/z 154, m/z 168, m/z 182), triaromatic sterane (m/z 231) and benzohopane (m/z 191).

Aromatic hydrocarbons in the Biluo Co oil shale of the Shuanghu area, Northern Tibetan Plateau, and their implications

Products including anthracene, benzopyrene (benzo(a) pyrene), bitumen, carbon black, Keure creosote, coal tar pitch, naphthalene, etc.

A study of the status of exposure to polycyclic aromatic hydrocarbons (PAHs) in relation to its metabolites among workers in a Korean chemical factory/Um estudo sobre o estado de exposicao a hidrocarbonetos aromaticos policiclicos (HAPs), em relacao aos seus metabolitos, entre os trabalhadores em fabricas de produtos quimicos coreana

We have previously demonstrated that the traffic intensity was correlated with the content of the main pollutants (oxides of sulfur, nitrogen, carbon, benzine, kerosene, benzopyrene and formaldehyde) in the air along highways in Russian (r = 0.

Dependence of drooping birch (Betula pendula) and lime tree (Tilia cordata) relative seed production as a new seed production index on the intensity of motor traffic pollution

5, PM10, nitrogen dioxide, sulphur dioxide, ozone, carbon monoxide, lead and ammonia -- and four parameters with annual standards -- benzene, benzopyrene, nickel and arsenic.

Newmeasure of air quality being devised

Antioxidant responses to benzopyrene and Aroclor 1254 exposure in the green mussel, Perna viridis.

Tolerancia a la anoxia y defensas antioxidantes en el mejillon verde Perna viridis (Linneus, 1758) bajo exposicion aguda al cadmio

Furthermore, it is an active alkaloid modulate benzopyrene metabolism through cytochrome P450 which is essential for metabolism and transport of xenobiotics and metabolites (Reen et al.

Effects of black pepper (Piper nigrum), turmeric powder (Curcuma longa) and coriander seeds (Coriandrum sativum) and their combinations as feed additives on growth performance, carcass traits, some blood parameters and humoral immune response of broiler chickens

In answer to the question of the possible origin of the benzopyrene detected in residences] Either way it is important, if it really originates from fuel burning, to make it clear that Vila Carioca, the area in the Ipiranga region, is a greatly industrialized area, where in reality the industrialization still often uses fuel burning to generate vapor and heat, in other words, boilers are used in most of the industries.

Narratives and sensemaking of an organizationally-based environmental disaster

Radio Liberty reports that the Service has found no benzopyrene in the Roshen confectionary products being sold in Armenia.

Armenia finds no benzopyrene in Roshen products

Benzopyrene and salts of heavy metals were not found in confectionery of the Ukrainian Roshen company, the press service of Ministry of Health of Kyrgyzstan said with the reference to the Director General of the Department of Disease Prevention and State Sanitary and Epidemiological Control Tolo Isakov.

Kyrgyz experts find no benzopyrene or salts of heavy metals in Roshen confectionery

Cigarette smoke contains a large number of substances which are recognized as carcinogens and mutagens including radioactive polonium, cadmium, benzopyrene, dimethylbenzanthracene, dimethylnitrosamine, naphthalene and methnaphthalene.

Does cigarette smoking affect seminal fluid parameters? A comparative study

The results showed the levels of benzopyrene, a known carcinogen found in the noodles, were less than 5 ppb (parts per billion)--far below the regulatory limit of 10 pbb, the DOH noted.