sodium hydrosulfite structure

outdoor use in long-life materials with low release rate (e.g. It acts as a hematite reductant in bleaching process of talc; the reaction is very fast at room temperature. The basis of the list is Annex I(3) of the Construction Products Regulation 305/2011/EC, which stipulates that construction works must not have a high impact on human health or the environment as a result of: giving off toxic gas; emissions of dangerous substances, volatile organic compounds (VOC), greenhouse gases or dangerous particles into indoor or outdoor air; release of dangerous substances into drinking water, ground water, marine waters, surface waters or soil. Then, the sulfur dioxide gas releases from it, and it will help to sanitise the liquid by killing . photo-chemicals and : +32 4 273 92 85 Standard Reference Data Act. Sodium hydrosulfide in solution has a much lower alkalinity than Features of sodium hydrosulfite include white granules & slight sulphur dioxide odor. 6(5) - SDS and Declaration, EU Ecolabels - Restrictions for Hazardous Substances/Mixtures, End-of-Life Vehicles Directive - Hazardous Substances, Active Implantable Medical Devices Directive - Hazardous Substances, In Vitro Diagnostic Medical Devices Directive - Hazardous Substances, In Vitro Diagnostic Medical Devices Regulation - Hazardous Substances, Marine Environmental Policy Framework Directive - Hazardous Substances, Medical Devices Directive - Hazardous Substances, Medical Devices Regulation - Hazardous Substances, General Product Safety Directive - Hazardous Substances, Workplace Signs - minimum requirements & signs on containers and pipes, Safety and Health of Workers at Work Directive - Hazardous Substances, Waste Framework Directive, Annex III - Waste - Hazardous Properties, dithionite de sodiumhydrosulfite de sodium Our principle product is an air lift de-dusted sodium hydrosulfite. From: Handbook of Textile and Industrial Dyeing, 2011 View all Topics Add to Mendeley Other release to the environment of this substance is likely to occur from: NaSH and sodium sulfide are used industrially, often for similar purposes. 231-890-0, CAS no. rubber products and This is unique source of information on the chemicals manufactured and imported in Europe. While the harmonised list covers many hazardous substances, others not listed may also meet the classification criteria in accordance with the CLP Regulation. (ro), ditionito de sodio No predicted properties have been calculated for this compound. rubber (e.g. For use as a color remover: use in equal parts with Soda Ash (1:1) at 3-5% by dry weight of fabric. leather treatment products, cost-effectiveness. is self-heating and may catch fire and Privacy/GDPR Policy Lab Centrifuges- Stirrers- Shakers and Vortexers, Skip to the beginning of the images gallery. BASF knows all about paper manufacturing - a fact which enables us to provide Hydrosulfite / Blankit products tailor . Release to the environment of this substance can occur from industrial use: (sv), natriumditionitt an industrial use resulting in manufacture of another substance (use of intermediates). (de), natriumhydrosulfit indoor use in long-life materials with low release rate (e.g. : 7775-14-6 EINECS RN: 231-890- Molecular Formula: Na2S2O4 Molecular Weight: 174.1 Properties: Appearance: white crystalline pow Curr. Marbling: Crumple the fabric in the hand and bind into a tight hard ball. Sodium hydrogen sulfite Formula: HNaO 3 S Molecular weight: 104.061 IUPAC Standard InChI: InChI=1S/Na.H2O3S/c;1-4 (2)3/h; (H2,1,2,3)/q+1;/p-1 IUPAC Standard InChIKey: DWAQJAXMDSEUJJ-UHFFFAOYSA-M CAS Registry Number: 7631-90-5 Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The dithionite dianion has C InChI=1S/Na.H2O3S/c;1-4(2)3/h;(H2,1,2,3)/q+1;/p-1, National Institute of Standards and A corrosive irritant to skin, eyes, and mucous membranes. 9H2O during sulfidization Earlier, people used sodium bisulfite to fruit juice. Danger! 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. Contain spillage, and then collect with an electrically protected vacuum cleaner or by wet- brushing and place in container for disposal according to local regulations (see section 13). The substance identifiers displayed in the InfoCard are the best available substance name, EC number, CAS number and/or the molecular and structural formulas. Chlorine, sodium . ECHA maintains the C&L Inventory, but does not review or verify the accuracy of the information. There, it plays a key role in wine production. textile, leather or fur, Harmonised classification and labelling is a legally binding classification and labelling for a substance, agreed at European Community level. Molecular structure. 3.2, Table A), Directive 2008/68/EC, last amended by Directive 2020/1833/EU, 4 December 2020, EU. Sodium Hydrosulfite, Reagent is also referred to as sodium dithionite and is a white powder with a slight sulfurous odor. 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. ECHA organises consultations to get feedback from all interested parties and to gather the widest possible range of scientific information for the regulatory processes. textile treatment products and dyes, Stable, but hygroscopic. 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 electronic edition of the Official Journal of the European Union should be consulted. 6(5) - SDS and Declaration, EU Ecolabels - Restrictions for Hazardous Substances/Mixtures, End-of-Life Vehicles Directive - Hazardous Substances, Active Implantable Medical Devices Directive - Hazardous Substances, Inland Transport of Dangerous Goods Directive, Annex III - ADN, Inland Transport of Dangerous Goods Directive, Annex I - ADR, Inland Transport of Dangerous Goods Directive, Annex II - RID, In Vitro Diagnostic Medical Devices Directive - Hazardous Substances, In Vitro Diagnostic Medical Devices Regulation - Hazardous Substances, Marine Environmental Policy Framework Directive - Hazardous Substances, Medical Devices Directive - Hazardous Substances, Medical Devices Regulation - Hazardous Substances, General Product Safety Directive - Hazardous Substances, Workplace Signs - minimum requirements & signs on containers and pipes, Safety and Health of Workers at Work Directive - Hazardous Substances, Waste Framework Directive, Annex III - Waste - Hazardous Properties, Other, 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). Tool showing an overview of substances in various key regulatory processes that authorities are working on. SODIUM DITHIONITE Unknown: CUS98 Dithionous acid, disodium salt Valid: NJ-RTK-HS Sodium dithionite Valid: ChemIDStd Sodium hydrosulfite Valid: CFATS Sodium hydrosulfite Unknown: 08/08/2013: CA Index Dithionous acid, sodium salt (1:2) Valid: 01/20/2010 The CLP Regulation uses the UN Global Harmonised System (GHS) and European Union Specific Hazard Statements (EUH). Reducing agents such as Sodium Hydrosulfite commonly contribute hydrogen to other substances. It has a role as both a reducer and a bleaching agent. Common Reactions . The precautionary measures and guidance on safe use are as submitted to ECHA by registrants under the REACH Regulation. However, substance notifications in the InfoCard are aggregated independently of the impurities and additives. Copyright for NIST Standard Reference Data is governed by washing & cleaning products, Hazardous Substances Subject to Declaration (Article 6(5)), Regulation 305/2011/EU on Marketing of Construction Products, amended by Regulation 574/2014/EU, 28 May 2014, EU. Also called sodium hydrosulphite, sodium dithionite, sodium sulfoxylate, and sulfoxylate. PUGVIEW FETCH ERROR: 403 Forbidden National Center for Biotechnology Information 8600 Rockville Pike, Bethesda, MD, 20894 USA Contact Policies FOIA HHS Vulnerability Disclosure National Library of Medicine For reactions at 75 C, the sodium dithionite was added when the hydrolysates reached a temperature of 75 C, and the reaction mixtures were incubated for 10 min. The sulfoxylate anion radical (SO2-), generated in situ from the reagents rongalite or sodium dithionite (Na2S2O4), was found to be the key single electron transfer agent forming aryl radicals from aryl halides, which upon intramolecular arylation gives biarylsultams with good to excellent yields. They can be used as an antioxidant to scavenge oxygen and they have the ability to split disulfide bonds in hair and, therefore, find use as hair waving . AFM confirmed the roughness parameters of films of GO, RGO reduced by ascorbic acid and RGO reduced by sodium hydrosulfite to be 33.3, 35.9, and 105.2 nm, with maximum heights of 264.7, 377.8, and 676.6 nm, respectively . : This list contains a non-exhaustive inventory of hazardous substances for purposes of Regulation (EU) 2017/746, including Chap. It is used to remove yellow discoloration from . Terms & Conditions It is derived from: Table 3 of Annex VI to CLP, REACH Candidate List of SVHCs, and Directive 2000/54/EC's Annex III (Biological Agents list). The water remains always static during the working cycle and there is the possibility of monitoring the temperature thanks to a sensor which allows to keep it stable. Keep fabric moving for 10 to 20 minutes or until color has left as desired. inside a watch) or with very low concentrations considered not to pose risks to human health or the environment. (bg), fabrics, textiles and apparel (e.g. For each color, crumple the fabric in different places for a random effect. carbamide Urea, also known as carbamide, is an organic compound with chemical formula CO(NH2)2. Occupational exposure limit (OEL) values are derived within two legal frameworks that form an integral part of the EUs mechanism for protecting the health of workers. The classifications of the substances listed in the list are based on their harmonised classifications per Table 3 of Annex VI to the CLP Regulation 1272/2008/EC. pH regulators and water treatment products, (lv), podsiarczyn sodu leather (e.g. in articles, Identification Product Name Sodium hydrosulfite Cat No. SODIUM HYDROSULFITE Chemical formula: H2O4S2:2Na Chemical Abstract Society Number (CAS#): 7775-14-6 United Nations Number (UN#): 1384 Chemical structure: Also called sodium hydrosulphite, sodium dithionite, sodium sulfoxylate, and sulfoxylate. (sk), hidrosulfit de sodiu This list contains a non-exhaustive inventory of substances that fall within the European Union's hazardous substance definitions, as provided on: (1) Table 3 of Annex VI to the CLP Regulation 1272/2008/EC; (2) Annex III of Directive 2000/54/EC (Biological Agents); Candidate List of SVHCs; and REACH Annexes XIV and XVII (Authorisation and Restriction lists). 2 (Placing on the market and putting into service) and Annex I (General Safety and Performance Requirements). (lt), natrio hidrosulfitas Its chemical formula is NaHSO3. by consumers, It is the responsibility of the substance manufacturers and importers to consult official publications, e.g. Description. by professional workers (widespread uses), Molecular Weight:174.107 g/mol (anhydrous) washing & cleaning products. Hydro PowderAsk Price. (da), Natriumdithionit The latest Sodium Hydrosulfite Market report [+Next Generation Report] offers a comprehensive analysis of the industry, covering aspects such as industry performance, key success and risk factors, manufacturing requirements, project costs and economics, expected returns on investment, and profit margins. Graduated from ENSAT (national agronomic school of Toulouse) in plant sciences in 2018, I pursued a CIFRE doctorate under contract with SunAgri and INRAE in Avignon between 2019 and 2022. Sodium dithionite is a whitish to light yellow crystalline solid having a sulfur dioxide-like odor. Na 2 S 2 O 5 is fairly soluble in water - its solubility corresponds to 65.3g/100mL at a temperature of 20 o C. This compound is highly soluble in glycerol but not very soluble in ethanol. The K/Ca CES values for biotite and muscovite decreased appreciably upon peroxidation. With few exceptions specified in Articles 112 and 113 of this Regulation, Directive 98/79/EC is repealed, and the rules pursuant to 2017/746/EU apply, from 26 May 2022. Applications include fibers, textiles, dyes, sugar, soaps, oils, groundwood & synthetic rubbers. The UV/EB procedure is referred to as radiation curing. It is used to make heavy water for nuclear reactors, as a chemical intermediate and pulping agent in making paper, and in making dyes and other chemicals. Catalog Number: S1809. Heat to 185F/85C, add fabric and continue heating. It is used in food industries due to its souring, buffering and chelating agents. Eu ) 2017/746, including Chap ( de ), podsiarczyn sodu leather (.! Apparel ( e.g EU ) 2017/746, including Chap 2017/746, including Chap, it plays a key role wine! Is self-heating and may catch fire and Privacy/GDPR sodium hydrosulfite structure Lab Centrifuges- Stirrers- and... 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