Benzo[a]anthracen – SVHC-Datenblatt (2023)

FAQs

What is benzo a anthracene sources? ›

Benz(a)anthracene is primarily found in gasoline and diesel exhaust, tobacco and cigarette smoke, coal tar and coal tar pitch, coal combustion emissions, charcoal-broiled foods, amino acids, fatty acids and carbohydrate pyrolysis products, wood and soot smoke, and creosote, asphalt and mineral oils.

Benz(a)Anthracene is an odorless, colorless to yellow brown flake, plate or powder. It is not produced commercially, but is used in research laboratories. It is also found in Coal Tar, roasted coffee, smoked foods, and automobile exhaust, and is formed as an intermediate during chemical manufacturing.

Several of the PAHs, including benz[a]anthracene, benzo[a]pyrene, benzo[b]fluoranthene, benzo[j]fluoranthene, benzo[k]fluoranthene, chrysene, dibenz[a,h]anthracene, and indeno[1,2,3-c,d]pyrene, have caused tumors in laboratory animals when they breathed these substances in the air, when they ate them, or when they had ...

* Anthracene can affect you when breathed in. * Skin contact can cause irritation, itching and burning which is greatly aggravated by sunlight. Repeated contact can cause thickening of the skin and pigment changes. * Breathing Anthracene can irritate the nose, throat and lungs causing coughing and wheezing.

Erythrina velutina. Willd (Fabaceae) is a tree popularly known in Brazil as “mulungu.” In Brazilian folk medicine, the genus Erythrina. is cited for the treatment of central nervous system (CNS) illnesses, especially the species E. velutina. and Erythrine mulung.

Plants, notably Aspergillus fungi, can make a range of benzodiazepines, and these naturally occurring benzodiazepines can also be stored in human brains after being eaten — so it is possible that the receptors evolved to take advantage of these naturally occurring anxiolytics.

An anthracene used to treat stable plaque psoriasis. A laxative used to treat constipation. A chemotherapeutic agent used for the treatment of secondary progressive, progressive relapsing, or worsening relapsing-remitting multiple sclerosis.

Like most PAHs, anthracene is used to make dyes, plastics and pesticides. It has been used to make smoke screens and scintillation counter crystals.

Tumorigenicity. Coal tar contains some potent carcinogens (polycyclic aromatic hydrocarbons such as benzo(a)pyrene, benz(a)anthracene and dibenz(a,h)anthracene). Occupational and animal studies have shown an increased risk of cancer after exposure to coal tar, which contains several carcinogens.

Benzo(a)pyrene is considered one of the most carcinogenic PAHs and generally used as an exposure marker for risk assessments (Lee and Vu, 2010).

What are the effects of PAHs on human health? ›

Long-term health effects of exposure to PAHs may include cataracts, kidney and liver damage, and jaundice. Repeated skin contact to the PAH naphthalene can result in redness and inflammation of the skin. Breathing or swallowing large amounts of naphthalene can cause the breakdown of red blood cells.

Anthracene is used as a raw material for industrial synthesis. Anthracene is found in pyro-technical products, in creosote, in extracts from refining of lubricating oil and in products containing coal tar, such as paints and waterproof surface coatings.

The mineral form of anthracene is called freitalite and is related to a coal deposit.

The skin infection often forms a darkened pustule, thus the name anthrax (from the Greek for coal, e.g., anthracene.)

It is primarily used as an intermediate in the production of dyes, smoke screens, scintillation counter crystals, and in organic semiconductor research. Although a large body of literature exists on the toxicity of PAHs, data for anthracene are limited.

Similarly, magnesium, a natural Xanax alternative, helps calm the mind and improve mood. It is naturally found in nuts, avocados, and whole grains. Natural Xanax for stress reduction is another popular alternative to Benzodiazepines, which are often prescribed to treat anxiety and panic disorders.

There are three types of benzodiazepines: long, intermediate and short-acting.

Kava is a well-studied herbal remedy that has been found to be a safe and effective alternative to prescription drugs for anxiety, without the side effects of benzodiazepines.

Chlordiazepoxide (Librium) was the first to be synthesised in 1957 and introduced into medicine in 1961. Benzodiazepines are under international control.

Benzodiazepines are a group of prescription-only medicines that have a sedating/hypnotic and calming effects on the nervous system. Examples of benzodiazepines active ingredients are diazepam, lorazepam, oxazepam, temazepam and alprazolam.

What is the most sedating benzodiazepine? ›

What Is the Strongest Benzodiazepine for Sleep? Nitrazepam, loprazolam, and lormetazepam are the strongest and more effective benzos that can work as sleeping pills to treat insomnia. Some drugs prescribed for anxiety can help patients sleep better if they are mandated to take them at night.

Anthralin or dithranol (Dithrocream, Micanol, Psorlin) is a hydroxyanthrone (anthracene derivative) medicine applied to the skin of people with psoriasis. It is available as creams, ointment, or pastes in 0.1 to 2% stengths. This substance has been used to treat psoriasis for more than 100 years.

anthracene, a tricyclic aromatic hydrocarbon found in coal tar and used as a starting material for the manufacture of dyestuffs and in scintillation counters. Crude anthracene crystallizes from a high-boiling coal-tar fraction. It is purified by recrystallization and sublimation.

An excipient added to medications for flavouring. An antiemetic used to treat postoperative nausea and vomiting and nausea associated with gastroenteritis. A topical treatment for scabies and lice.

The anthracene molecules are converted predominantly into anthraquinone, a dye precursor. A large band gap organic semiconductor, anthracene, is used as a scintillator in photon, electron, and alpha particle detectors.

Anthracene is obtained from coal tar. It is used in the production of anthraquinone, the parent compound for a large class of dyes and pigments.

Anthracene occurs naturally in coal tar and it does not react to other components of the coal tar.

Exposure to some chemicals and hazardous substances can increase the risk of cancer. A few well-known carcinogens are asbestos, nickel, cadmium, radon, vinyl chloride, benzidene, and benzene. These carcinogens may act alone or with another carcinogen to increase your risk.

Dioxins and dioxin-like compounds, benzene, kepone, EDB, and asbestos have all been classified as carcinogenic.

What cancers do PAHs cause? ›

Increased incidences of lung, skin, and bladder cancers are associated with occupational exposure to PAHs. Epidemiologic reports of PAH-exposed workers have noted increased incidences of skin, lung, bladder, and gastrointestinal cancers.

Polycyclic aromatic hydrocarbons (PAHs) are a class of chemicals that occur naturally in coal, crude oil, and gasoline. They result from burning coal, oil, gas, wood, garbage, and tobacco.

Polycyclic Aromatic Hydrocarbons (PAHs) are naturally occurring substances composed of multiple carbon and hydrogen aromatic rings. They are found in fossil fuels and are often formed during incomplete combustion of organic materials. 1 PAHs have a characteristic smell similar to that of car tires or asphalt.

Reduce your Exposure

Exposure to PAHs by smoking or second hand smoke may increase the risk of overexposure to PAHs and PAH-related disease. Some foods contain PAHs. Minimizing consumption of charbroiled, chargrilled and smoked meats and fish can all reduce your exposure to PAHs.

There are various methods used for the removal of PAHs, including physical, chemical, biological, combined, ultrasound treatment [11], activated sludge process [20], coagulation and flocculation, membrane filtration, adsorption [21], advanced oxidation process [22], and Fenton process [23].

Epidemiological studies have shown that PAHs are associated with reduced lung function, exacerbation of asthma, and increased rates of obstructive lung diseases and cardiovascular diseases. Limited epidemiological evidence also suggests adverse effects on cognitive or behavioural function in children.

Benzene is found in crude oil and is a major part of gasoline. It's used to make plastics, resins, synthetic fibers, rubber lubricants, dyes, detergents, drugs and pesticides.

1,4-diethylene oxide, dioxethylene ether, or diethyl dioxide (O-GH -CH OCHzCHr) is a superior solvent from which to crystallize anthracene mixed with impurities such as phenanthrene, carbazole and fluorene.

Inhalation anthrax begins with flu-like symptoms (cough, fever, muscle aches). These symptoms may last two to three days, and then appear to go away for one or two days. Then the illness can come back, resulting in severe lung problems, difficulty breathing, and shock.

Inhalation anthrax is considered to be the most deadly form of anthrax. Infection usually develops within a week after exposure, but it can take up to 2 months.

What are the three 3 types of anthrax? ›

There are three forms of anthrax infection: cutaneous (skin), inhalation (lungs) and gastrointestinal (stomach and intestine).

Potential Environment Impacts of Anthracene

Anthracene is toxic to aquatic organisms though surface water concentrations are most often lower than the water quality standard. Anthracene can persist in aquatic sediments, which may pose a risk to those organisms living in the bottom of lakes and rivers.

Anthracene has been detected in fumes from vehicle exhaust, coal, coal tar, and at hazardous waste sites. These are all sources of exposure. Since anthracene has been found in cigarettes, you can be exposed by breathing cigarette and tobacco smoke.

Benzo(b)fluoranthene is a colorless, needle-shaped solid. It is used as a research chemical and is present in coal, and coke oven emissions, and petroleum products.

A chemical that comes from certain substances when they are not burned completely. It is found in car exhaust, smoke from wood fires, tobacco, oil and gas products, charred or grilled foods, and other sources. It may also be found in water and soil.

It is present in wood preservatives, insecticides, and coating materials. Anthracene is widely used as a UV tracer in printed wiring board conformal coatings. The anthracene tracer allows for UV inspection of the conformal coating. Anthracene is also used in anthraquinone use.

Anthracene is commonly used as a UV tracer in conformal coatings applied to printed wiring boards. The anthracene tracer allows the conformal coating to be inspected under UV light.

Benzodiazepines are generally synthesized by the condensation of o-phenylenediamine (OPDA) with a,b-unsaturated carbonyl compounds, b-haloketones, or with ketones [12] using acidic catalysts which are critical to enhance the condensation process.

In addition, benzodiazepines can also be extracted from biological fluid (Westland & Dorman, 2013), and Erythrina velutina Willd (Fabaceae plant) (Danta et al., 2004;Ribeiro et al., 2006;Teixeira-Silva et al., 2008). However, benzodiazepine was first established in mammalian tissues in 1986 (Sand et al., 2000) .

The substance with the formula C₂₀H₁₂ is one of the benzopyrenes, formed by a benzene ring fused to pyrene. Its diol epoxide metabolites (more commonly known as BPDE) react with and bind to DNA, resulting in mutations and eventually cancer. It is listed as a Group 1 carcinogen by the IARC.

Is anthracene a carcinogen? ›

Anthracene was negative as a complete carcinogen following chronic dermal exposure (Habs et al., 1980).

All benzodiazepines are composed of a benzene ring fused to a seven-member diazepine ring. Most benzodiazepines also possess a phenyl ring attached at the 5-position of the diazepine ring.

evidence that it causes skin and lung cancer in humans and has been shown to cause lung, bladder, liver, kidney, throat, stomach, and skin cancer in animals. a carcinogen.

The most common benzodiazepines are the prescription drugs Valium®, Xanax®, Halcion®, Ativan®, and Klonopin®. Tolerance can develop, although at variable rates and to different degrees.