Oct 7, 2021Benzene can also be found in paint remover, glues, adhesives, and cleaning chemicals. Low quantities of benzene are found in outdoor air due to secondhand cigarette smoke, gasoline pollutants, vehicle exhaust, and industrial pollution. Workplace exposure. Benzene exposure can be dangerous to workers who work in industries that produce or use it ...
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For a benzene time-weighted average (TWA) exposure of 10 ppm, an acceptable total phenol in urine concentration at the end of a workshift is < 50 mg/g creatinine (ACGIH, 1993). Exposure to 25 ppm of benzene gives an average end of shift urinary phenol level of 200 mg/L (Walkley et al., 1961).
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CAS No. 71-43-2 Benzene (C 6 H 6) is a highly flammable, colorless liquid that evaporates quickly into the air. It is harmful to the eyes, skin, airway, nervous system, and lungs. Benzene can cause blood cancers like leukemia. Workers may be harmed from exposure to benzene. The level of exposure depends upon the dose, duration, and work being done
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Benzene is an aromatic organic hydrocarbon with the formula C6H6. It is the parent compound of many aromatic compounds. The presence of benzene can be recognized by its characteristic odor. Structure of Benzene- Eilhardt Mitscherlich, a German chemist heated benzoic acid with lime and produced benzene.
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Benzene 71-43-2 Hazard Summary Benzene is found in the air from emissions from burning coal and oil, gasoline service stations, and motor vehicle exhaust. Acute (short-term) inhalation exposure of humans to benzene may cause drowsiness, dizziness, headaches, as well as eye, skin, and respiratory tract irritation, and, at high levels, unconsciousness. Chronic (long-term) inhalation exposure has ...
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Benzene is a carcinogen, ie a cancer-causing chemical. Continuous exposure to even small amounts of the chemical lowers white cell levels in blood. By interfering with blood cell production, anaemia can result, and the ability of the body to fight infections is decreased. At high levels of exposure, bone cancer (leukaemia) can occur.
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Benzene is a colorless petroleum-based chemical that is used to manufacture industrial dyes, explosives, synthetic rubber, detergents, plastics and pesticides. It is also found in gasoline and the smoke that comes from cigarettes. Benzene poisoning can be lethal because it causes the cells in the body to work incorrectly.
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What is benzene? Benzene is a colorless, flammable liquid with a sweet odor. It evaporates quickly when exposed to air. Benzene is formed from natural processes, such as volcanoes and forest fires, but most exposure to benzene results from human activities. Benzene is among the 20 most widely used chemicals in the United States.
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Benzene is a chemical that is a colourless or light yellow liquid at room temperature. Benzene evaporates into the air very quickly. Its vapour is heavier than air and may sink into low-lying areas.
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Jul 25, 2022The benzene molecule is a resonance hybrid of two main contributing structures (left( {1,2} right),) as shown below. Due to resonance, the carbon-carbon bonds in a benzene molecule acquire an intermediate character of carbon-carbon single and double bonds. In Benzene, Kekule's structures (1) and (2) represented the resonance structure, and structure (3) is the resonance hybrid of ...
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Benzene | C6H6 | CID 241 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. National Institutes of Health. National Library of Medicine. National Center for Biotechnology Information. PubChem ...
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Benzene is a clear, colourless, and highly flammable organic chemical compound. It is an aromatic compound with a sweet-smelling odour. A molecule of benzene comprises six carbon atoms joined in a ring-shaped with a hydrogen atom connected to each carbon atom. Therefore, the chemical formula of benzene is C 6 H 6.As the composition of benzene only contains carbon and hydrogen atoms, it is ...
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Benzene MSDS Section 1: Chemical Product and Company Identification Product Name: Benzene Catalog Codes: 10270, 20270, 30270 CAS#: 71-43-2 RTECS: CY1400000 TSCA: TSCA 8(b) inventory: Benzene CI#: Not available. Synonym: Benzol; Benzine Chemical Name: Benzene Chemical Formula: C6-H6 Contact Information: Finar Limited 184-186/P, Chacharwadi Vasna,
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Benzene is an organic chemical compound with the molecular formula C 6 H 6 . Its molecule is composed of 6 atoms joined in a ring, with 1 hydrogen atom attached to each carbon atom. Because its molecules contain only carbon and hydrogen atoms, benzene is classed as a hydrocarbon. Benzene is a natural constituent of crude oil and is one of the ...
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Benzene is a major constituent of crude oil, an excellent fuel and solvent and a precursor used in the manufacture of many chemicals, particularly upon reaction to form cyclohexane, ethyl benzene and cumene. Specification. Specification Value/Information; Formula: C6H6: CAS no. 71-43-2: Gas Response Factor, 11.7 eV : 0.53: Gas Response Factor, 10.6 eV: 0.5: Gas Response Factor, 10.0 eV: 0.54 ...
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Figure 9.13 Temperature-composition phase diagram for the liquid-vapor equihbrium in benzene-toluene mixtures at 1 atm. The boihng points of toluene and benzene are 110.6°C and 80.1°C, respectively. Because benzene and toluene are common solvents one can find in the literature the thermodynamic data needed to model the flash drum.
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Benzene is one of the substances that the Environmental Protection Agency calls a "known human carcinogen." That means that it causes cancer in humans. In particular, scientists believe that high...
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1) MILD TO MODERATE TOXICITY: Benzene is a local irritant. Benzene exposure to the skin causes the development of erythema, burning, and edema. In the gastrointestinal tract, benzene produces a burning sensation of the oral mucous membranes, esophagus, and stomach after ingestion, with associated nausea, vomiting, and abdominal pain.
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