Other relevant information includes the following: To see the full list of notified classifications and to get more information on impurities and additives relevant to classification please consult the C&L Inventory. Phenol itself is the only one of the family that you are likely to need to know about for UK A level purposes. Most of the phenol used today is produced from benzene, through either hydrolysis of chlorobenzene or oxidation of isopropylbenzene (cumene). In this interactive chemical reaction, graphene oxide (GO) was reduced to RGO by phenol, and simultaneously phenol was oxidized to benzoquinone. REACH regulation aims to improve the protection of human health and the environment from the risks that can be posed by chemicals. The simple alcohols are very weak acids (pK...…. The date of the last update corresponds to the publication date of the InfoCard and not necessarily to the date in which the update occurred in the source data. We apologise for the inconvenience in the meantime. Linear Formula: C 6 H 5 C 6 H 4 OH. ECHA has no public registered data indicating whether or in which chemical products the substance might be used. US3336243A US321295A US32129563A US3336243A US 3336243 A US3336243 A US 3336243A US 321295 A US321295 A US 321295A US 32129563 A US32129563 A US 32129563A US 3336243 A US3336243 A US 3336243A Authority US United States Prior art keywords liquid copolymer phenolic acrylamide resin Prior art date 1963-11-04 Legal status (The legal status is an assumption and is not a … With phenol used in this manner, the mortality rate from surgical amputations fell from 45 to 15 percent in Lister’s ward. Phenol, any of a family of organic compounds characterized by a hydroxyl (―OH) group attached to a carbon atom that is part of an aromatic ring. ECHA has no public registered data on the routes by which this substance is most likely to be released to the environment. phenol-formaldehyde resin. Formaldehyde, polymer with 3-chloro-1-propene and phenol | C10H13ClO2 | CID 168810 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. This reaction is used commercially to make salicylic acid for conversion to aspirin and methyl salicylate. These notifications can be provided by manufacturers, importers and downstream users. We report a facile in situ synthesis of reduced graphene oxide (RGO)–phenol formaldehyde (PF) composites with an interactive oxidation–reduction reaction. Phenols with only one other substituent can be named using either the appropriate numbers or the ortho (1,2), meta (1,3), and para (1,4) system. Impurities or additives: When a specific critical property is calculated from industry data and where the majority of data submitters have indicated that the property relates to cases containing impurities and/or additives, then the respective critical property icon is modified with an asterisk (*). It does not represent a new labelling, classification or hazard statement, neither reflect other factors that affect the susceptibility of the effects described, such as duration of exposure or substance concentration (e.g. For example, vanillin, the principal flavouring in vanilla, is isolated from vanilla beans, and methyl salicylate, which has a characteristic minty taste and odour, is isolated from wintergreen. This information is only displayed if the substance is well–defined, its identity is not claimed confidential and there is sufficient information available in ECHA’s databases for ECHA’s algorithms to generate a molecular structure. In 1865 the British surgeon Joseph Lister used phenol as an antiseptic to sterilize his operating field. Molecular Formula. According to the classification provided by companies to ECHA in CLP notifications this substance is toxic to aquatic life with long lasting effects, causes serious eye irritation, causes skin irritation and may cause an allergic skin reaction. Molecular Weight: 170.21. The per substance REACH registration status is being calculated and will be made available as soon as possible. Formaldehyde, polymer with (chloromethyl)oxirane and phenol; formaldehyde,oligomeric reaction products with 1-chloro-2,3-epoxypropane and phenol, Phenol condensation products, with 1-chloro-2,3-epoxypropane and, Phenol condensation products, with 1-chloro-2,3-epoxypropane and formaldehyde, Phenol, polymer with formaldehyde, glycidyl ether, Reaction mass of 2,2'-[methylenebis(p-phenyleneoxymethylene)]bisoxirane and 2,2'-[methylenebis(o-phenyleneoxymethylene)]bisoxirane and [[2-[p-(oxiranylmethoxy)benzyl]phenoxy]methyl]oxirane, Araldite GY 282; 100% Active Matter; active substance, Epichlorohydrin-formaldehyde-phenol copolymer, Epichlorohydrin-formaldehyde-phenol polymer, Epichlorohydrin-phenol-formaldehyde epoxy novolak resin, Epichlorohydrin-phenol-formaldehyde polymer, Epiclon EXA 830 CRP; MG≤700; 100% Active Matter; active substance, Formaldehyde-phenol-epichlorohydrin copolymer, Oxirane, (chloromethyl)-, polymer with formaldehyde and phenol, Phenol, polymer with (chloromethyl)oxirane and formaldehyde, Propane, 1-chloro-2,3-epoxy-, polymer with formaldehyde and phenol, RE 404 S; 100% Active Matter; active substance. The Dow process is somewhat more general, but the stringent conditions required often lead to low yields, and they may destroy any other functional groups on the molecule. (See chemical bonding: Intermolecular forces for more information about hydrogen bonding.) ECHA has no public registered data on the routes by which this substance is most likely to be released to the environment. Most functional groups can survive this technique, as long as they are stable in the presence of dilute acid. Systematic names are more useful, however, because a systematic name specifies the actual structure of the compound. However, substance notifications in the InfoCard are aggregated independently of the impurities and additives. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Substances listed in the EINECS, ELINCS, or NLP inventories. More information about CAS and the CAS registry can be found here. The EC or list number is the primary substance identifier used by ECHA. disodium tetraborate EC no. This section provides an overview of the calculated volume at which the substance is manufactured or imported to the European Economic Area (EU28 + Iceland, Liechtenstein and Norway). Registration, Evaluation, Authorisation and Restriction of Chemicals, Chemical Agents Directive and Carcinogens or Mutagens Directive, Formaldehyde, oligomeric reaction products with 1-chloro-2,3-epoxypropane and phenol, Substance Evaluation - CoRAP, Pre-Registration process, Formaldehyde, polymer with 2-(chloromethyl)oxirane and phenol, 2-(2-{[2-(oxiran-2-ylmethoxy)phenyl]methyl}phenoxymethyl)oxirane; 2-(2-{[4-(oxiran-2-ylmethoxy)phenyl]methyl}phenoxymethyl)oxirane; 2-(4-{[4-(oxiran-2-ylmethoxy)phenyl]methyl}phenoxymethyl)oxirane, 2-(chloromethyl)oxirane; formaldehyde; phenol, bisphenol-F-epichlorohydrin resin, MM=<700, Epichlorohydrin formaldehyde-phenol polymer; epoxy resin, epoxy phenol novolak resin: Phenol, polymer with formaldehyde, glycidyl ether or Epichlorohydrin-formaldehyde-phenol copolymer OR Formaldehyde, oligomeric reaction products with 1-chloro-2,3-epoxypropane and phenol, Formaldehyde, olgomeric reaction products with 1-chloro-2,3epoxypropane and phenol, FORMALDEHYDE, OLIGOMERIC REACTION PRODUCTS WITH 1-CHLORO-2,3- EPOXYPROPANE AND PHENOL, Formaldehyde, Oligomeric reaction products with 1-chloro2,3-epoxypropane and phenol, Formaldehyde, polymer with (chloromethyl)oxirane and phenol. Although they came into existence at the very start of the age of polymers, they continued to be developed into more and more applications. Chlorobenzene is hydrolyzed by a strong base at high temperatures to give a phenoxide salt, which is acidified to phenol. If the hydroxyl group is the principal functional group of a phenol, the compound can be named as a substituted phenol, with carbon atom 1 bearing the hydroxyl group. The described Product category (i.e. Three nitro groups are more easily substituted onto phenol, because the strong activation of the hydroxyl group helps to counteract the deactivation of the first and second nitro groups. C8H6O2. ECHA has no public registered data on the routes by which this substance is most likely to be released to the environment. It is the responsibility of the substance manufacturers and importers to consult official publications, e.g. Phenol/formaldehyde resins used to manufacture high-pressure laminates are typically produced by reacting phenol and formaldehyde by means of an alkaline catalyst such as sodium hydroxide [10]. 4 Fluctuations in price of phenol as a result of changes in oil price and concerns about chronic exposure of workers to phenol during the manufacturing process are the main reasons why over the last three decades many researchers have studied replacing phenol with biobased materials. Substances may have impurities and additives that lead to different classifications. Formaldehyde is an organic compound with the formula CH2O or HCHO and is one of the most important building blocks in the chemical industry. 2-Propenoic acid, polymer with 4-(1,1-dimethylethyl)phenol, formaldehyde, 2,5-furandione, 2-methyloxirane, 4-nonylphenol and oxirane Valid Active The ‘Properties of concern’ section shows ECHA-assigned graphical indicators for certain substance properties that are regarded as being of relevance or importance to human health and/or the environment based on the information provided to the Agency. For example, the systematic name for vanillin is 4-hydroxy-3-methoxybenzaldehyde. The quality and correctness of the information submitted to ECHA remains the responsibility of the data submitter. Used in the production of resins, principally urea formaldehyde and phenol-formaldehyde, which are used to make cores and moulds for foundries. This substance is used in the following areas: formulation of mixtures and/or re-packaging and building & construction work. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. Please note: Precautionary measures and guidance on safe use concern the use and handling of the specific substance as such, not of the presence of the substance in other articles or mixtures. An oxygen atom normally forms two σ bonds with other atoms; the water molecule, H2O, is the... Get exclusive access to content from our 1768 First Edition with your subscription. Benzene is converted to isopropylbenzene (cumene) by treatment with propylene and an acidic catalyst. … Here you can find all of the regulations and regulatory lists in which this substance appears, according to the data available to ECHA. The type of uses and classifications may vary between different submissions to ECHA and for a full understanding it is recommended to consult the source data. Phenol, polymer with formaldehyde. This substance has not been registered under the REACH Regulation, therefore as yet ECHA has not received any data about this substance from registration dossiers. Dynea produces a large volume of formaldehyde as an intermediate product, but we also supply formaldehyde in various consentrations and quality grades to the external market. Guidance on safe use - recommendations by substance registrant on the proper use of the substance in various situations. in case of consumer and professional uses). Note that for readability purposes, only the pictograms, signal words and hazard statements referred in more than 5% of the notifications under CLP are displayed. A milder, more general reaction is the diazotization of an arylamine (a derivative of aniline, C6H5NH2) to give a diazonium salt, which hydrolyzes to a phenol. Molecular formula. Lignin is a good candidate to replace phenol in the phenol formaldehyde resins’ formulation because (a) its polyphenolic structure is similar to that of phenolic resin (Fig. Phenols are similar to alcohols but form stronger hydrogen bonds. Some substance identifiers may have been claimed confidential, or may not have been provided, and therefore not be displayed. Phenols are highly reactive toward electrophilic aromatic substitution, because the nonbonding electrons on oxygen stabilize the intermediate cation. Phenol formaldehyde; Structure of Bakelite. Phenoxide ions, generated by treating a phenol with sodium hydroxide, are so strongly activated that they undergo electrophilic aromatic substitution even with very weak electrophiles such as carbon dioxide (CO2). Warning! Formaldehyde, phenol polymer. Phenols occur either as colourless liquids or white solids at room temperature and may be highly toxic and caustic. Hydroquinone (1,4-benzenediol) is a particularly easy compound to oxidize, because it has two hydroxyl groups in the proper relationship to give up hydrogen atoms to form a quinone. The human genome contains several non-transcribed pseudogenes related to this gene. Individual Protection Measures, Such as Personal Protective Equipment When information is available in all sources, the first two are displayed as a priority. Thus, they are more soluble in water than are alcohols and have higher boiling points. ECHA has no public registered data indicating whether or in which chemical products the substance might be used. Phenols are widely used in household products and as intermediates for industrial synthesis. For example, chromic acid oxidizes most phenols to conjugated 1,4-diketones called quinones. Details of dossier compliance checks and testing proposal evaluation. ECHA has no public registered data indicating whether or in which chemical products the substance might be used. This section provides links to the list of precautions (precautionary statements) and to the guidance on safe use, if they have been provided in REACH registration dossiers. 2017). inside a watch) or with very low concentrations considered not to pose risks to human health or the environment. Many of the more complex phenols used as flavourings and aromas are obtained from essential oils of plants. Unlike simple alcohols, most phenols are completely deprotonated by sodium hydroxide (NaOH). Hydroquinone is used in developing photographic film by reducing activated (exposed to light) silver bromide (AgBr) to black metallic silver (Ag↓). A substance may have its use restricted to certain articles or products and therefore not all the examples may apply to the specific substance. This site is not fully supported in Internet Explorer 7 (and earlier versions). Harmonisation is based on the substance’s physical, toxicological and eco-toxicological hazard assessment. Phenol-formaldehyde resin. The CLP Regulation ensures that the hazards presented by chemicals are clearly communicated to workers and consumers in the European Union through classification and labelling of chemicals. In that case, the ATP (Adaptation to Technical Progress) number is displayed. For a detailed overview on identified uses and environmental releases, please consult the registered substance factsheet. Although this process seems more complicated than the Dow process, it is advantageous because it produces two valuable industrial products: phenol and acetone. Phenol-formaldehyde polymers are polymers formed by the interaction of a phenol, or a mixture of phenols, and formaldehyde. 1) (Forss and Fuhrmann1979), (b) the material comes from renewable resources, and (c) it can be used as a macromolecular material without previous treatment (Nimz 1983; Pang et al. The Prior Informed Consent Regulation administers the import and export of certain hazardous chemicals and places obligations on companies who wish to export these chemicals to non-EU countries. Chemical Formula C11h16o2 Phenol Formaldehyde Resin Market Price , Find Complete Details about Chemical Formula C11h16o2 Phenol Formaldehyde Resin Market Price,Phenol Formaldehyde Resin,Alkyl Phenolic Resin,Bakelite Phenolic Resin from Adhesives & Sealants Supplier or Manufacturer-Tianjin Top Global Co., Ltd. If a substance is classified under multiple CLH entries, a link to the C&L Inventory is provided to allow users to view CLH information associated with the substance and no text is automatically generated for the InfoCard. The molecular structure is based on structures generated from information available in ECHA’s databases. The use information is displayed per substance life cycle stage (consumer use, in articles, by professional workers (widespread uses), in formulation or re-packing, at industrial sites or in manufacturing). Novolaks (sometimes: novolacs) are low molecular weight polymers derived from phenols and formaldehyde.They are related to Bakelite, which is more highly crosslinked.The term comes from Swedish "lack" for lacquer and Latin "novo" for new, since these materials were envisioned to replace natural lacquers such as copal resin.. ChemIDplus - 9003-35-4 - KXGFMDJXCMQABM-UHFFFAOYSA-N - Phenol-formaldehyde resin - Similar structures search, synonyms, formulas, resource links, and other chemical information. the products in which the substance may be used) may refer to uses as intermediate and under controlled conditions, for which there is no consumer exposure. The CLP Regulation makes sure that the hazards presented by chemicals are clearly communicated to workers and consumers in the European Union. Although phenols are often considered simply as aromatic alcohols, they do have somewhat different properties. The ‘Hazard classification and labelling’ section shows the hazards of a substance based on the standardised system of statements and pictograms established under the CLP (Classification Labelling and Packaging) Regulation. ECHA has no public registered data on the routes by which this substance is most likely to be released to the environment. Substances for which classification and labelling data have been notified to ECHA by manufacturers or importers. Formaldehyde, polymer with (Chloromethyl) Oxirane and phenol. Nhận dạng; Số CAS: Trừ khi có ghi chú khác, dữ liệu được cung cấp cho các vật liệu trong trạng thái tiêu chuẩn của chúng (ở 25 °C [77 °F], 100 kPa). Hydrolysis of chlorobenzene (the Dow process), https://www.britannica.com/science/phenol, National Center for Biotechnology Information - PubChem - Phenol. Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. Phenol, formaldehyde polymer. Information on precautionary measures and the safe use is submitted by the registrant of a substance and the registrant is solely responsible for its accuracy and completeness. InfoCards are updated when new information is available. Typically novolaks are prepared by the condensation of a … In industry, phenol is used as a starting material to make plastics, explosives such as picric acid, and drugs such as aspirin. Formaldehyde was initially manufactured in small quantities (5-20kg) for use in a few factories and university laboratories, but improvements to the manufacturing process eventually led to large-scale production of formaldehyde. Its chemical formula can also be … More information about Classification and Labelling is available in the Regulations section of ECHA website. Compounds with other principal functional groups can be named with the hydroxyl group as a hydroxy substituent. Formaldehyde reacts with ammonia forms formamidine and water. The noncovalently adsorbed phenol on the RGO surface can not only serve as an … They are formed through the reaction of phenol with formaldehyde, followed by cross-linking of the polymeric chains. Precautionary statements - describe recommended measures to minimise or prevent adverse effects resulting from exposure to a hazardous product or improper storage or handling of a hazardous product. The Support section provides tools and practical guidance to companies which have responsibilities under the EU chemicals legislation. This section is based on three sources for information (harmonised classification and labelling (CLH), REACH registrations and CLP notifications). 215–540–4, is covered by three harmonisations: 005–011–00–4; 005–011–01–1 and 005–011–02–9), CLH information cannot be displayed in the InfoCard as the difference between the CLH classifications requires manual interpretation or verification. REACH registration dossiers have greater data requirements (such as supporting studies) than do notifications under CLP. The information is aggregated from the data coming from REACH substance registrations provided by industry. During this time formaldehyde was mainly used as an embalming agent or medical preservative, but these early uses represent less than 1% of total formaldehyde sales today. The ability of phenols to form strong hydrogen bonds also enhances their solubility in water. In this study, three different boron compounds were used together with alkaline catalyst to synthesize phenol formaldehyde (PF) resole resins in situ. This website uses cookies to ensure you get the best experience on our websites. Synonyms. Under the trade name Bakelite, a phenol-formaldehyde resin was one of the earliest plastics, invented by American industrial chemist Leo Baekeland and patented in 1909. Phenol dissolves to give a 9.3 percent solution in water, compared with a 3.6 percent solution for cyclohexanol in water. This information is only displayed if the substance is well-defined, its identity is not claimed confidential and there is sufficient information available in ECHA’s databases for ECHA’s algorithms to generate a molecular structure. REACH registered substance data was upgraded on 9th November. Hazard statements were adapted to improve readability and may not correspond textually to the hazard statements codes description in the European Union Specific Hazard Statements (EUH) or the. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. Phenol is quite toxic, however, and concentrated solutions cause severe but painless burns of the skin and mucous membranes. Amines, tallow alkyl, reaction products with formaldehyde and phenol, ethoxylated Unknown: TSCA Inv Amines, tallow alkyl, reaction products with formaldehyde and phenol, ethoxylated Valid: Inactive 2020 CDR Full Exempt Amines, tallow alkyl, reaction products with formaldehyde and phenol… Benzene is easily converted to chlorobenzene by a variety of methods, one of which is the Dow process. This substance is used in the following products: coating products and fillers, putties, plasters, modelling clay. Occupational exposure limit (OEL) values are derived within two legal frameworks that form an integral part of the EU’s mechanism for protecting the health of workers. Let us know if you have suggestions to improve this article (requires login). Phenol may have been the first surgical antiseptic. The association between water and phenol is unusually strong; when crystalline phenol is left out in a humid environment, it picks up enough water from the air to form liquid droplets. The EC Number is the numerical identifier for substances in the EC Inventory. Substance in various situations phenols used as components in wood preservatives such as creosote exposure... Or the environment of this substance is covered by more than 5 of... Recommendations by substance registrant on the routes by which this substance is most likely to be to... For educational purposes only and is a legally binding classification and labelling is available in all sources, the …... 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