More than 50 branches of industry using formaldehyde and its derivatives, as adhesives, resins, and in many other applications. It is a colourless, odorless solid and highly soluble in water. SCHEMBL3232769. bis Fr., 8.00 - 18.00 Uhr) Hautberatung Online. Nachricht schreiben. Infact, UF resins are the most popular adhesives for particleboards. CH2O)x Manufacturer: Ehtemam Jam Company IRAN-Asaloye-three Petrochimical-Pars Formalin Site (+98)0772-7324584-7324584 Section 2. (File Format: Jpg, Gif, Png, PDF,Zip,Txt,doc or xls Max Size: 3MB), The username will be used as the login user name and retrieve the password, Copyright 2017 © ChemicalBook. S544. Urea-formaldehyde copolymer, minimum average molecular weight (in amu), 30,000. AKOS015915450. The total free formaldehyde content in a product containing 0.5% diazolidinyl urea will thus correspond to 0.215%. Formaldehyde formula is given here along with its structure. Brief Profile REACH registered substance factsheets C&L Inventory Biocidal active substance factsheets PACT tool Regulatory Obligations . The methylolation step, which usually is performed at high formaldehyde (F) to urea (U) molar ratio (F/U = 1.8 to 2.5), consists of the addition of up to three (four in theory) molecules of the bifunctional formaldehyde to one molecule of urea to give the so-called methylolureas. The popularity of urea-for… The Support section provides tools and practical guidance to companies which have responsibilities under the EU chemicals legislation. Synonyms. Dreißigprozentige Urea-Produkte eignen sich zur Pflege verhornter Hautstellen, zum Beispiel an den Ellbogen. FT-0694064. CTK7D3408. Er spielt eine wichtige Rolle in vielen biologischen Prozessen wie dem Stoffwechsel von Proteinen. BPR regulation aims to improve the functioning of the biocidal products market in the EU, while ensuring a high level of protection for humans and the environment. A large portion of UF resins are consumed by the wood products industry. Formaldehyde Formula . 1. This is then absorbed in urea solution to form UFC-85. : 918-363-7. Each methylolation step has its … 2. Carbamimidic acid--formaldehyde (1/1) Urea formaldehyde pre-condensation liquid. Harnstoff (Urea)-Formaldehyd-Ortschäume [UF-Ortschäume]) weiterhin als Hauptquellen. Visit ChemicalBook To find more Urea formaldehyde (9011-05-6) information like chemical properties,Structure,melting point,boiling point,density,molecular formula,molecular weight, physical properties,toxicity information,customs codes. Help Regulatory context. ECHA organises consultations to get feedback from all interested parties and to gather the widest possible range of scientific information for the regulatory processes. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Urea EC Number: 200-315-5 EC Name: Urea CAS Number: 57-13-6 Molecular formula: CH4N2O IUPAC Name: urea Registration, Evaluation, Authorisation and Restriction of Chemicals, Chemical Agents Directive and Carcinogens or Mutagens Directive, Substances of very high concern identification, Recommendation for the Authorisation List, Getting started with EU chemicals legislation, Classification of substances and mixtures, Harmonised classification and labelling (CLH). When dissolved in water, formaldehyde also forms a hydrate, methanediol, with the formula H2C(OH)2. Urea, formaldehyde, paraformaldehyde polymer, butylated. A saturated water solution, of about 40% formaldehyde by volume or 37% by mass, is called "100% formalin". You can also browse global suppliers,vendor,prices,Price,manufacturers of Urea formaldehyde (9011-05-6). Es gibt eine Vielzahl von Produkten, die Formaldehyd enthalten und die Formaldehyd an die Raumluft abgeben können. China UF (Harnstoff-Formaldehyd) – Finden Sie den Preis und vollständige Details über Harnstoff-Formaldehyd,Verzögert abfallendes Fertilzer,UF Produkte vom Lieferanten oder Hersteller - Shanghai Wintong Ecological Engineering Co., Ltd.. Substances indicated, in 2009, as being intended to be registered by at least one company in the EEA. Click on aldehydes and ketones to learn more about aldehydes, their uses, and occurrences. Infact, they are some of the fastest curing resins available. 2007), the synthesis of urea formaldehyde resin through a new synthetic route and some physical properties of *Corresponding author. Rufen Sie einfach an: 040 - 4909 7555 (Mo. UREA-FORMALDEHYDE ADHESIVE RESINS8497 dustry for a variety of purposes.1 The resin is used in the production of an adhesive for bonding particleboard (61% of the urea-formaldehyde used by the industry), medium-density fiberboard (27%), hardwood plywood (5%), and a laminating adhesive for bonding (7%), for example, furni- ture case goods, overlays to panels, and interior flush doors. The POPs Regulation bans or severely restricts the production and use of persistent organic pollutants in the European Union. 5 In aqueous solution, diazolidinyl urea is decomposed to release formaldehyde. Technical quality … CTK4H9117. This substance has been found in the following regulatory activities (directly, or inheriting the regulatory context of a parent substance): Welcome to the ECHA website. 51% of them are made in China. Urea is an organic compound having chemical formula NH2CONH2 Also called as Carbonic diamide. LS-160681. thermisch ausgehärtet werden können.. Melamine urea formaldehyde (MUF) resin is a thermosetting polymer type which is produced by the reaction between urea with melamine and formaldehyde (Pizzi.A, 1994). For this research, the thermosetting adhesive used is MUF. Urea, polymer with formaldehyde and methanol. The per substance REACH registration status is being calculated and will be made available as soon as possible. To recall about formaldehyde, it is also known as methanal or formol, is an organic compound which occurs naturally. Formaldehyde (/ f ə r ˈ m æ l d ə h aɪ d / fer-mal-duh-hahyd, also / f ɔːr ˈ m æ l d ə h aɪ d / fawr-) (systematic name methanal) is a naturally occurring organic compound with the formula CH 2 O … formaldehyde addition to affect in any way the acid titration of a protein, while we would expect it to influence the alkaline titration, since in the alkaline zone the formaldehyde undoubtedly reacts in some manner with the available free and uncharged amino groups. urea = Harnstoff) bezeichnet. Regulatory process names 1 . Urea–formaldehyde (UF) resins are the most important type of adhesive resins for the production of wood based panels. 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. Urea-Formaldehyde Concentrate, UFC 85 Section 1. Bei Säugetieren ist Harnstoff ein harnpflichtiges Stoffwechselprodukt, das hauptsächlich mit dem Urin und in geringem Umfang mit dem Schweiß ausgeschieden wird. Harnstoffderivaten) und Aldehyden (insbesondere Formaldehyd) hergestellt und chemisch bzw. Harnstoff (lateinisch und englisch urea, nicht zu verwechseln mit Harnsäure), chemisch das Diamid der Kohlensäure, ist eine organische Verbindung. Kurz als UF-Harze ( von engl on our websites geringem Umfang mit dem Urin und in geringem Umfang mit Urin. Of information on the chemicals manufactured and imported in Europe ( insbesondere Formaldehyd hergestellt! 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