Fenol (též známý jako kyselina karbolová, hydroxybenzen, karbol, benzenol) je jedovatá bezbarvá krystalická pevná látka sladkého dehtového zápachu, často označovaného jako vůně nemocnice. Chemický vzorec fenolu je C 6 H 5 OH a jeho molekula obsahuje hydroxylovou funkční skupinu (-OH) vázanou na benzenové jádro, jde tedy o aromatickou sloučenin Phenol, puriss., ≥99.5% (GC), meets analytical specification of Ph. Eur., BP, USP, crystalline (detached), 242322 Phenol, contains hypophosphorous as stabilizer, loose crystals, ACS reagent, ≥99.0% For the molecule alone, see Phenol. In organic chemistry, phenols, sometimes called phenolics, are a class of chemical compounds consisting of one or more hydroxyl groups (— O H) bonded directly to an aromatic hydrocarbon group. The simplest is phenol, C. 6H. 5OH
benzocaine/phenol/povidone iodine topical. Drug class(es): mouth and throat products. camphor/menthol/phenol topical. Camphor/menthol/phenol topical is used in the treatment of: Cold Sores; camphor/phenol topical. Brand names: Campho-Phenique Drug class(es): mouth and throat products, topical rubefacient. glycerin/phenol topica Phenol (C6H6O or C6H5OH) is a colorless to light-pink, crystalline solid with a sweet, acrid odor. Exposure to phenol may cause irritation to the skin, eyes, nose, throat, and nervous system. Some symptoms of exposure to phenol are weight loss, weakness, exhaustion, muscle aches, and pai phenol. [ fe´nol] 1. an extremely poisonous compound, used in dilute solution as an antimicrobial, anesthetic, and antipruritic. Ingestion or absorption through the skin causes symptoms including colic, local irritation, corrosion, seizures, cardiac arrhythmias, shock, and respiratory arrest Phenol and phenolic compounds can be oxidized by peroxidase-dependent prostaglandin H synthase to phenoxyl radicals. It is a reactive intermediate in the P450 oxidation of benzene to hydroquinone. Phenol that is not oxidized will undergo conjugation to etheral, sulfate, or glycuronate species Formule Nom Numéro CAS Numéro CE Numéro index Synonymes; C 6 H 6 O. Phénol: 108-95-2: 203-632-7: 604-001-00-
Phenol definition, a white, crystalline, water-soluble, poisonous mass, C6H5OH, obtained from coal tar, or a hydroxyl derivative of benzene: used chiefly as a disinfectant, as an antiseptic, and in organic synthesis. See more Examples of how to use phenol in a sentence from the Cambridge Dictionary Lab
Phenol occurs naturally as tyrosine, an amino acid found in most proteins, and as serotonin—a neurotransmitter in the brain. Urushiol is a phenol that is secreted by poison ivy to prevent animals from eating its leaves. Vanillin, the principal flavoring in vanilla, is a phenol isolated from vanilla beans phenol (countable and uncountable, plural phenols) ( organic chemistry , uncountable ) A caustic , poisonous , white crystalline compound , C 6 H 5 OH, derived from benzene and used in resins , plastics , and pharmaceuticals and in dilute form as a disinfectant and antiseptic ; once called carbolic acid phe·nol (fē′nôl′, -nōl′, -nŏl′) n. 1. A caustic, poisonous, white crystalline compound, C6H6O, derived from benzene and used in resins, plastics, and pharmaceuticals and in dilute form as a disinfectant. Also called carbolic acid. 2. Any of a class of aromatic organic compounds having at least one hydroxyl group attached directly to the. . It is a colorless-to-white solid when pure. The commercial product is a liquid. Phenol has a distinct odor that is sickeningly sweet and tarry. You can taste and smell phenol at levels lower than those that are associated with harmful effects. Phenol evaporates more slowly than water, and a moderate amount can form a solution with. Phenol is one of the main components of the commercial antiseptic TCP (trichlorophenol). It is also the active ingredient in some oral anesthetics. Notwithstanding the effects of concentrated solutions, it is also used in cosmetic surgery as an exfoliant , to remove layers of dead skin
Phenol is a member of a class of organic compounds with the same name, Phenols. Phenol is widely used in a lot of industries for varied purposes. Phenol is the most commonly used disinfectants since ancient times. It has got amazing antiseptic properties too. Phenol is proven to be effective anti-bacterial, anti-fungi and anti-viral agent Thermo Scientific Pierce Phenol, Saturated is phenol supplied as a saturated solution (pH 6.6) and accompanied by a bottle of buffer to adjust the pH to 7.9 for typical molecular biology applications.Features of Pierce Phenol, Saturated: pH 6.6 or pH 7.9 for use in typical DNA purifications (bottl Phenol is a compounds where the -OH group is attached directly to a benzene ring, therefore Phenols react with carboxylic acids so slowly that the reaction is unusable for preparation purposes. Esters are produced when carboxylic acids are heated with alcohols in the presence of an acid catalyst (concentrated sulphuric acid.)
Phenol-Explorer is the first comprehensive database on polyphenol content in foods. The database contains more than 35,000 content values for 500 different polyphenols in over 400 foods. These data are derived from the systematic collection of more than 60,000 original content values found in more than 1,300 scientific publications Phenol may be used to treat muscle spasticity. It is also used in surgeries for severe ingrown toenails to help prevent them from growing back. Phenol can be used as a vaccine preservative to help keep bacteria from contaminating vaccine solutions. In hospitals, phenol is commonly found in disinfectants used to sterilize medical equipment . Using the same reaction condition when benzene gives mono-substituted product, phenol gives tri-substituted phenol. By improving the condition it is possible to form mono or di substituted phenol. Nitration of phenol. Phenols are o, p- directory Phenol is the organic compound with formula C 6 H 5 OH. It is a white solid. It has an OH group (hydroxyl group) bonded to a benzene ring.It is an alcohol.Because the aromatic group attracts electrons, it is quite acidic. topolin is produced from petroleum.It is an important molecule because it can be used to make many other products. It is also used in detergents and herbicide
Hydrothermal Reactions from Sodium Hydrogen Carbonate to Phenol. Organic Letters. 2007-05, 9 (10): 2019-2021. ISSN 1523-7060. doi:10.1021/ol070597o （英語）. ^ Shouhua Feng, Ge Tian, Hongming Yuan, Ying Mu & Chao He. Supporting Information for Hydrothermal Reactions from Sodium Hydrogen Carbonate to Phenol (PDF). [2009-08-15] Find here Liquid Phenol, 108-95-02 manufacturers, suppliers & exporters in India. Get contact details & address of companies manufacturing and supplying Liquid Phenol, 108-95-02 across India Phenol Revision Date: 17-May-2014 Methods for containmentPrevent further leakage or spillage if safe to do so.Prevent spreading over a wide area (e.g. by containment or oil barriers). Methods for cleaning upSoak up with inert absorbent material.Take up mechanically and collect i Phenol-formaldehyde resin, any of a number of synthetic resins made by reacting phenol (an aromatic alcohol derived from benzene) with formaldehyde (a reactive gas derived from methane). Phenol-formaldehyde resins were the first completely synthetic polymers to be commercialized. In the firs
Phenol is an aromatic compound. In the United States, Phenol may be used as an active ingredient in OTC drug products. When used as an active drug ingredient, the established name is Phenol. BENZENOL, CARBOLIC ACID, HYDROXYBENZENE, LIQUID PHENOL, OXYBENZENE, PHENOL, PHENOL and PHENYL ALCOHOL Phenol, 4-(dimethylamino)-p-(Dimethylamino)phenol. More... Molecular Weight: 137.18 g/mol. Dates: Modify . 2020-11-21. Create . 2005-03-26. 4-dimethylaminophenol is a tertiary amino compound and a dialkylarylamine. ChEBI. Contents. 1 Structures Expand this section. 2 Names and Identifiers Expand this section Phenol is an important chemical in biological research. It is used primarily for isolation and purification of DNA and RNA. Pure phenol is solid at room temperature. Almost all biochemical uses of phenol use a water saturated phenol solution, or a mixture of phenol in chloroform
INEOS Phenol is the largest producer of Phenol and Acetone in the world. Our global manufacturing capacity is two times that of our closest competitor and three times that of the next largest European producer. We produce just under 1.9 million tonnes of Phenol and around 1.2 million tonnes of Acetone annually. Learn Mor The production of phenol from benzene is the first step in the manufacture of some very important polymers, including polyamides (nylons), polycarbonates and the phenolic resins. Uses of phenol. The most important chemical made from phenol is bisphenol A, which is used to make the polycarbonates . It finds a wide variety of use in many things we depend on for our daily lives, such as epoxy resins. The 459 foods with composition data are classified in 9 classes and 67 sub-classes. Use the text-boxes below to filter on food common name, french name, botanical family, scientific name, and the number of associated compounds and composition data
Phenol is an important commodity chemical in the industry, which is currently produced using fossil feedstocks. Here, we report a strategy to produce phenol from lignin by directly deconstructing Csp2-Csp3 and C-O bonds under mild conditions. It was found that zeolite catalyst could efficiently catalyze both the direct Csp2-Csp3 bond breakage to remove propyl structure and aliphatic β. Carbolic acid, Hydroxybenzene, Monohydroxybenzene, Phenyl alcohol, Phenyl hydroxide Colorless to light-pink, crystalline solid with a sweet, acrid odor. [Note: Phenol liquefies by mixing with about 8% water.
A liquid containing over 50% phenol. See Phenol (solid). Phenols do not behave as organic alcohols, as one might guess from the presence of a hydroxyl (-OH) group in their structure. Instead, they react as weak organic acids. Phenols and cresols are much weaker as acids than common carboxylic acids (phenol has pKa = 9.88) Phenol is an antiseptic and disinfectant. It is active against a wide range of micro-organisms including some fungi and viruses, but is only slowly effective against spores. It has been used to. Add one volume of phenol:chloroform:isoamyl alcohol (25:24:1) to your sample, and vortex or shakeby hand thoroughly for approximately 20 seconds. Centrifuge at room temperature for 5 minutes at 16,000 × g. Carefully remove the upper aqueous phase, and transfer the layer to a fresh tube. Be sure not to carry over any phenol during pipetting Phenol is an oxygen substituted organic compound. Phenol is an insoluble organic compound in water. Phenol has a characteristic smell and can act as a germicidal. Preparing phenol, reactions of phenol, characteristics of phenol are sections you have to learn under phenol lesson in organic chemistry. Figure 01: phenol molecul
Phenol is a highly toxic, reactive and corrosive compound whether in solid, powder, liquid or vapour form. It damages cell proteins very quickly and has been known to penetrate shoe leather. 2. Symptoms of phenol exposure. Phenol is a severe irritant, which is readily absorbed through the skin causing severe burns. Fatalities can occur if it is. . Naší filosofií je pevný vztah se zaměstnanci Phenol: health effects, incident management and toxicology. Information on phenol (also known as carbolic acid and hydroxybenzene), for responding to chemical incidents. Published 1 July 2014 Phenol is a family of organic compounds that consist of an aromatic ring bonded to an alcohol group. The molecular formula of phenol is C 6 H 5 OH. Its physical properties include a high boiling. Phenol is a very weak acid and the position of equilibrium lies well to the left. Phenol can lose a hydrogen ion because the phenoxide ion formed is stabilised to some extent. The negative charge on the oxygen atom is delocalised around the ring. The more stable the ion is, the more likely it is to form
PubMe Phenol is primary used in the manufacture of some very important polymers, including polyamides (nylons), polycarbonates, phenolic resins and the epoxy resin. Among the other uses of phenol is the production of disinfectant which is widely used in household cleaners. . Acetone: is a co-product of phenol via cumene oxidation process Phenol is a colorless or white solid when it is pure; however, it is usually sold and used as a liquid. (1) The odor threshold for phenol is 0.04 parts per million (ppm), with a strong very sweet odor reported. (1,7) Phenol is very soluble in water and is quite flammable. (2) The chemical formula for phenol is C 6 H
Phenol is a corrosive organic compound (technically, a hydrocarbon) in many household cleaners and construction products. It smells sweet and tarry and is usually cloudy in commercial liquid cleansers. In both its natural and synthetic form it's toxic to mammals -- particularly cats, who lack the ability to clean it out of their bloodstream Phenol, molten is the white crystalline solid shipped at an elevated temperature to form a semi-solid. It is very hot and may cause burns from contact and also may cause the ignition of combustible materials. It is toxic by ingestion, and inhalation of its fumes, and skin absorption. It may also be very irritating to skin and eyes Phenol was isolated for the first time from coal tar in 1834. Initially, its disinfecting properties meant that it was used to treat wounds. It was soon discovered that a vast number of useful derivatives could be synthesised from it, preparing the ground for today's high-quality, high-value Phenol derivative products The PHENOL Kickstarter was a success! Thank you to all backers who supported the project! PHENOL is a new type of electronic instrument from Kilpatrick Audio. Inspired by modular synthesizers, PHENOL offers the creative potential, sound and hands-on experience of a modular synth, in a sleek, compact and affordable package Chemsrc provides Phenol(CAS#:108-95-2) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of Phenol are included as well
The Phenol Panel of the American Chemistry Council formed in 1988 to address health and safety issues relating to the manufacture and use of phenol. The Panel is comprised of major U.S. producers of phenol Preparation of Phenol - Phenol was first mined from coal tar, but today is manufactured on a large scale (around 7 billion kg/year) from petroleum. It is an important industrial product as a pioneer to various materials and useful compounds. Preparation of phenols from diazonium salts, benzene sulphonic acid, haloarenes, cumene. They are known as carbolic acids Phenol is moderately soluble in water - about 8 g of phenol will dissolve in 100 g of water. If you try to dissolve more than this, you get two layers of liquid. The top layer is a solution of phenol in water, and the bottom one a solution of water in phenol. The solubility behaviour of phenol and water is complicated, and beyond UK A level
Indications and dose. Haemorrhoids (particularly when unprolapsed) By submucosal injection. For Adult. 2-3 mL, dose (using phenol 5%) to be injected into the submucosal layer at the base of the pile; several injections may be given at different sites, max. total injected 10 mL at any one time. Side-effects Phenol has an acrid smell and a sharp burning taste. In the molten state, it is a clear, colourless liquid with a low viscosity. It is soluble in most organic solvents, and solubility is limited in aliphatic solvents. Phenol's solubility . It is also produced in the conversion of coal into gaseous or liquid fuels and in the production of metallurgical coke from coal. It may enter the environment from oil refinery discharges, coal conversion plants, municipal waste treatment plant discharges, or spills
Phenol is the simplest aromatic alcohol which characterized by a hydroxyl (-OH) group attached to a benzene ring. The term phenol is not only for phenol itself but also for a class of aromatic compounds possessing a hydroxyl group attached to a benzene ring or a complex ring system. Phenol in water solution is sometimes called carbolic acid Phenol reacts with ethanoyl chloride at room temperature, although the reaction isn't as fast as the one between ethanoyl chloride and an alcohol. Phenyl ethanoate is formed together with hydrogen chloride gas. Sometimes it is necessary to modify the phenol first to make the reaction faster 182 °C Food and Agriculture Organization of the United Nations Phenol: 181 °C Alfa Aesar 33213, 44526, A15760: 181 °C Matrix Scientific 098829: 262.3 °C Biosynth J-610001: 25 °C / 90.2 mmHg (86.7683 °C / 760 mmHg) FooDB FDB000893: 182 °C Parchem - fine & specialty chemicals 5724
Phenol is a basic feedstock for the production of phenolic resins, bisphenol A, caprolactam, chlorophenols and several alkylphenols and xylenols. Phenol is also used in disinfectants and antiseptics. Occupational exposure to phenol has been reported during its production and use, as well as in the use of phenolic resins in the wood products. Phenol is readily adsorbed through intact skin and is highly toxic to cells. Cellular damage and death at the site of entry results in a chemical burn, which may be extremely serious. There can be a time delay between absorption of phenol and the appearance of burn symptoms and phenol is a local anesthetic which numbs sensory nerve endings; for.
Phenol Peel. The Baker-Gordon phenol peel is a classic deep chemical peel that dramatically improves the appearance of deep wrinkles, pigmentation irregularities, and uneven skin texture. A phenol peel requires a knowledgeable provider to ensure predictable results while avoiding hypopigmentation Phenol - Last updated on November 26, 2020 All rights owned and reserved by Memorial Sloan Kettering Cancer Center. Educational Resources. Log in to print or send this list to your patient and save lists of resources you use frequently. Add resources to your list by clicking the checkbox next to the title Phenol Red Broth is a general-purpose differential test medium typically used to differentiate gram negative enteric bacteria. It contains peptone, phenol red (a pH indicator), a Durham tube, and one carbohydrate (glucose, lactose, or sucrose). Phenol red is a pH indicator which turns yellow below a pH of 6.8 and fuchsia above a pH of 7.4 Phenol is one of the most important chemicals in industry. One-step selective benzene hydroxylation is an attractive yet challenging method for phenol production, especially when such a reaction can be driven by solar energy. Herein, we reported that a highly selective benzene hydroxylation to phenol can be achieved over two Fe-based metal-organic frameworks [MIL-100(Fe) and MIL-68(Fe.
phenol [fe´nol] 1. an extremely poisonous compound, used in dilute solution as an antimicrobial, anesthetic, and antipruritic. Ingestion or absorption through the skin causes symptoms including colic, local irritation, corrosion, seizures, cardiac arrhythmias, shock, and respiratory arrest. Phenol should be properly labeled and stored to avoid. Phenol coefficient definition, the number indicating the effectiveness of a disinfectant as a germicide relative to phenol, which is arbitrarily assigned the number 1: based on the time required to kill a given quantity of a specific type of bacteria. See more