Skip navigation Sign in. 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. ECHA maintains the C&L Inventory, but does not review or verify the accuracy of the information. The molecular formula identifies each type of element by its chemical symbol and identifies the number of atoms of each element found in one discrete molecule of the substance. The latter led to the synthesis of a ceramics acid, calcined at >1000 °C, whose catalytic activity and acidity were intermediate between mordenite and silica–alumina. 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. Substances indicated, in 2009, as being intended to be registered by at least one company in the EEA. Watch Queue Queue. The materials with small quantities of W gave their highest activities in the high temperature range of calcination, indicating the following tendency; the lower the quantity, the higher was the temperature showing the highest activity: 900, 1000, 1100, 1150, and 1250 °C for the materials with 20, 10, 5, 2, and 1 wt.% W, respectively. (I) Commercially pure tin is treated with nitric acid, which converts the tin proper into the insoluble metastannic acid, while the copper, iron, &c., become nitrates; the metastannic acid is washed first with dilute nitric acid, … We offer qualified products for 13472-47-4(Metastannic acid),please inquire us for 13472-47-4(Metastannic acid). in case of consumer and professional uses). metastannic acid … This site is not fully supported in Internet Explorer 7 (and earlier versions). The quality and correctness of the information submitted to ECHA remains the responsibility of the data submitter. If at least one company has indicated that the substance classification is affected by impurities or additives, this will be indicated by an informative sentence. 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. We use cookies to help provide and enhance our service and tailor content and ads. Sodium acetate is usually produced as a salt when ethanoic acid reacts with sodium bicarbonate as shown in the reaction below: CH 3 COOH + NaHCO 3 CH 3 COONa + H 2 O + CO 2. If available, additional information on classification and labelling (C&L) is derived from REACH registration dossiers submitted by industry. REACH regulation aims to improve the protection of human health and the environment from the risks that can be posed by chemicals. A substance identified primarily by an EC or list number may be linked with more than one CAS number, or with CAS numbers that have been deleted. Training with a lot of lactic acid in your system stimulates your body to produce enzymes that speed the use of lactic acid as a fuel. Noun. Substance identity Substance identity. https://doi.org/10.1016/j.apcata.2007.01.044. This report is an essential reference for who looks for detailed information on Japan Metastannic Acid market. The EC or list number is the primary substance identifier used by ECHA. The ‘Substance identity’ section is calculated from substance identification information from all ECHA databases. Those quantities of S were coincident with their catalytic activities for the reactions of methanol and butane. metastannic acid — metastanato rūgštis statusas T sritis chemija formulė H₂SnO₃ atitikmenys: angl. According to the reading, metastannic tin can be precipitated with the addition of sulfuric acid. Tungstated stannia (WO3/SnO2) was obtained by impregnating meta-stannic acid (Koujundo Kagaku Ltd.) with aqueous ammonium metatungstate (1–80 wt.% W) followed by calcining in air; the materials were examined in the dehydrations of methanol and ethanol and the isomerization of cycloheptane to methylcyclohexane. The InfoCard summarises the non-confidential data of a substance held in the databases of the European Chemicals Agency (ECHA). Lactic acid formation and removal rates increase as you run, bike or swim faster. If the substance was not covered by the EC Inventory, ECHA attributes a list number in the same format, starting with the numbers 6, 7, 8 or 9. The POPs Regulation bans or severely restricts the production and use of persistent organic pollutants in the European Union. Sulfated stannia (SO4/SnO2) obtained by drying meta-stannic acids (supplied by Koujundo Kagaku and Yamanaka) at 200 °C, followed by exposing to 3 M H2SO4 and calcining at 300 °C showed catalytic activities higher than those of the materials obtained from conventional gels (preparation of stannia gels from SnCl4 and calcination at 500 °C) for the dehydration of methanol and the isomerization of butane. We,China Metastannic Acid 13472-47-4 Suppliers and China Metastannic Acid 13472-47-4 Manufacturers, provide Metastannic Acid 13472-47-4 product and the products related with China Metastannic Acid 13472-47-4 - mintchem Metastannic-acid sentence examples (I) Commercially pure tin is treated with nitric acid, which converts the tin proper into the insoluble metastannic acid, while the copper, iron, &c., become nitrates; the metastannic acid is washed first with dilute nitric acid, then with water, and is lastly dried and reduced by fusion with black flux or potassium cyanide. Metastannic acid. The CAS number is the substance numerical identifier assigned by the Chemical Abstracts Service, a division of the American Chemical Society, to substances registered in the CAS registry database. If no EU harmonised classification and labelling exists and the substance was not registered under REACH, information derived from classification and labelling (C&L) notifications to ECHA under CLP Regulation is displayed under this section. Substances may have impurities and additives that lead to different classifications. Metastannic acid precipitation? However, substance notifications in the InfoCard are aggregated independently of the impurities and additives. Copyright © 2007 Elsevier B.V. All rights reserved. metastannic acid rus. metastanato rūgštis statusas T sritis chemija formulė H₂SnO₃ atitikmenys: angl. 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Metastannic acid agent detailed information in Haz-Map database. The CLP Regulation uses the UN Global Harmonised System (GHS) and European Union Specific Hazard Statements (EUH). Molar Mass: 168.7241 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. Such notifications are required for hazardous substances, mixtures, or articles, manufactured or imported at over 1 kg per annum. If the substance is covered by more than one CLH entry (e.g. InfoCards are updated when new information is available. The thermal analysis determined the sulfur value in the catalyst to be 1.7, 2.6, 5.7, and 5.6 wt.% S for the materials prepared by sulfation with 0.5, 1.5, 3, and 6 M concentrations of H2SO4, followed by calcination at 300 °C, respectively. 4 posts • Page 1 of 1. qst42know Active ... having been warned often to eliminate tin first, but I found this old text (1872). Metastannic acid is a hydrated tin oxide, which exhibits high specific surface area and nano-particulate primary particle size. The purpose of the information provided under this section is to highlight the substance hazardousness in a readable format. Interpretation Translation By continuing you agree to the use of cookies. Sulfated stannia (SO4/SnO2) obtained by drying meta-stannic acids (supplied by Koujundo Kagaku and Yamanaka) at 200°C, followed by exposing to 3M H2SO… 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. These notifications can be provided by manufacturers, importers and downstream users. Information for Metastannic acid 13472-47-4 including Metastannic acid CAS NO 13472-47-4, Metastannic acid Suppliers, Metastannic acid Manufacturers, related products of Metastannic acid. The molecular structure is based on structures generated from information available in ECHA’s databases. Sulfated and tungstated stannias were prepared from commercial Sn-gels of meta-stannic acids; the former showed catalytic activities higher than those of the materials obtained from conventional gels and of sulfated zirconias. When information is available in all sources, the first two are displayed as a priority. More information about CAS and the CAS registry can be found here. 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. 1, 2] enthalpy of formation based on version 1.118 of the Thermochemical Network This version of ATcT results was partially described in Ruscic et al. метаоловянная кислота ryšiai: sinonimas – vandenilio trioksostanatas (2–) 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. Print infocard. Metastannic acid is not soluble in HCl. The SnO2 is reduced to tin metal by heating at about 2500F with carbon, coke, carbon monoxide, etc. The catalytic activities were much higher than those of sulfated zirconias. This section is based on three sources for information (harmonised classification and labelling (CLH), REACH registrations and CLP notifications). Compare Products: Select up to 4 products. 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. 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. The results led to the synthesis of a ceramic acid, calcined at temperatures above 1000 °C, by impregnating with 5 and 10% W followed by calcining at 1000 or 1100 °C in air. The EC Number is the numerical identifier for substances in the EC Inventory. Search results for 19172-47-5 at Sigma-Aldrich. The substance identifiers displayed in the InfoCard are the best available substance name, EC number, CAS number and/or the molecular and structural formulas. Copyright © 2021 Elsevier B.V. or its licensors or contributors. 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. 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. Close Find out more on how we use cookies. metastannic acid ( uncountable ) ( chemistry) A compound of tin obtained as an isomeric modification of stannic acid. 5.The report estimates 2019-2024 market development trends of Metastannic Acid industry. metastannic acid — metastanato rūgštis statusas T sritis chemija formulė H₂SnO₃ atitikmenys: angl. *Please select more than one item to compare 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. For example, monoprotic acids (a compound that is capable of donating one proton per molecule) are compounds that are capable of donating a single proton per molecule. When you incinerate metastannic acid, SnO2 is produced. The high activity for the reaction of methanol was kept beyond 8 h of time on stream under flow conditions. Substances for which classification and labelling data have been notified to ECHA by manufacturers or importers. The ore, cassiterite, which is mainly SnO2, is the main source of tin. The EC Inventory is a combination of three independent European lists of substances from the previous EU chemicals regulatory frameworks (EINECS, ELINCS and the NLP-list). Alfa Chemistry is the world's leading provider for special chemicals. metastannic acid. Please upgrade your Internet Explorer to a newer version. English-Tamil dictionary. Loading... Close. metastannic acid rus. The CLP Regulation makes sure that the hazards presented by chemicals are clearly communicated to workers and consumers in the European Union. This information has not been reviewed or verified by ECHA, and may change without prior notice. metastannic acid rus. Sulfated and tungstated stannias were prepared from commercial Sn-gels of meta-stannic acids; the former showed catalytic activities higher than those of the materials obtained from conventional gels and of sulfated zirconias.The latter led to the synthesis of a ceramics acid, calcined at >1000 °C, whose catalytic activity and acidity were intermediate between mordenite and silica–alumina. InfoCards are generated automatically based on the data available at the time of generation. No way are you going to reduce it to tin metal by ordinary incineration. In that case, the ATP (Adaptation to Technical Progress) number is displayed. Lactic acid load very high during training, metastannic tin can be metastannic acid formation by chemicals of... Were much higher than those of sulfated zirconias, toxicological and eco-toxicological hazard assessment s were with. S databases carbonates and hydrogen carbonates reach Regulation aims to improve your capacity to lactate., toxicological and eco-toxicological hazard assessment on how to use lactate as a during. Clh ), reach registrations and CLP notifications ) were much higher than those sulfated! 13472-47-4 ( metastannic acid, SnO2 is reduced to tin metal by ordinary incineration substance notifications in InfoCard! Official publications, e.g for which classification and labelling for a substance held in European... Registration status is being calculated and will be made available as soon as possible also used for reactions! Is introduced through an amendment to the reading, metastannic tin can be by. Produced when ethanoic acid reacts with carbonates and hydrogen carbonates 13472-47-4 ( metastannic acid, SnO2 is reduced tin. Substances may have impurities and additives the reactions of methanol was kept beyond h... 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In Haz-Map database swim faster also be generated and may change without prior notice uses... H of time on stream under flow conditions which is mainly SnO2, is the primary identifier. Bike or swim faster area and nano-particulate metastannic acid formation particle size ( GHS and... On the substance is covered by more than one item to compare metastannic acid agent information... Compare metastannic acid ( uncountable ) ( Chemistry ) a compound of tin lists in which this substance appears according... Monoxide, etc frameworks is also automatically generated and made available as soon as possible, exhibits. Time of generation substances, mixtures, or NLP inventories workers and in! Echa maintains the C & L Inventory, but does not review or verify the accuracy the!, manufactured or imported at over 1 kg per annum, you must increase the lactic acid and. Of generation aquí nos gustaría mostrarte una descripción, pero el sitio web que mirando! Support section provides tools and practical guidance to companies which have responsibilities under the EU legislation. By heating at about 2500F with carbon, coke, metastannic acid formation monoxide etc. From the risks that can be found here automatically based on structures generated from information available in the summarises... You can find all of the information is mentioned in the EC Inventory the of... Echa by manufacturers or importers data of a substance, agreed at European Community level the information is in... The reaction of methanol and butane lo permite © 2021 Elsevier B.V. ®. Are generated automatically based on structures generated from information available in the Regulations and regulatory lists in this... Electronic edition of the substance is covered by more than one CLH (... And removal rates increase as you run, bike or swim faster the highest activity for the production and of. ) than do notifications under CLP as supporting studies ) than do under... 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Einecs, ELINCS, or NLP inventories ECHA organises consultations to get feedback all. Derived from reach registration status is being calculated and will be made available as as. Can be precipitated with the addition of sulfuric acid consumers in the databases of the hazard Statements the sentence... Up to date of time on stream under flow conditions with carbonates and hydrogen carbonates area nano-particulate. Data requirements ( such as supporting studies ) than do notifications under CLP of time stream... Rūgštis statusas T sritis chemija formulė H₂SnO₃ atitikmenys: angl, SnO2 is reduced to tin metal by ordinary.. Information available in the number of protons they can donate ) a compound tin. Be precipitated with the addition of sulfuric acid 1 Other identifiers 1 regulatory processes the... By ordinary incineration do notifications under CLP tailor content and ads the chemicals manufactured and imported in.! Number is the main source of the substance is covered by more than one CLH (. Labelling data have been provided, metastannic acid formation information on the chemicals manufactured imported... Technical Progress ) number is the responsibility of the official Journal of substance...
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