3.2, Table A), Directive 2008/68/EC, last amended by Regulation 2019/1243/EU, 25 July 2019, EU. Qu’est-ce que l’inventaire des classifications et des étiquetages? Primary halides are the most reactive followed by secondary halides. Accepting LiH + Al as the final product, the hydrogen storage capacity is reduced to 7.96 wt%. This Directive establishes rules for the safe transport of dangerous goods between EU countries by road, rail, and waterway. [41] Cycling only reaction R2 — that is, using Li3AlH6 as starting material — would store 5.6 wt% hydrogen in a single step (vs. two steps for NaAlH4 which stores about the same amount of hydrogen). 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). 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. The POPs Regulation bans or severely restricts the production and use of persistent organic pollutants in the European Union. Close Find out more on how we use cookies. The EC or list number is the primary substance identifier used by ECHA. 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More information about CAS and the CAS registry can be found here. This information has not been reviewed or verified by ECHA, and may change without prior notice. This Directive establishes rules for the safe transport of dangerous goods between EU countries by road, rail, and waterway. Le règlement CLP a pour objet d’assurer que les dangers que présentent les substances chimiques soient clairement communiqués aux travailleurs et aux consommateurs de l’Union européenne grâce à la classification et à l’étiquetage des produits chimiques. The InfoCard summarises the non-confidential data of a substance held in the databases of the European Chemicals Agency (ECHA). Dangerous Goods List (ADR, Chap. 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. Regarding the limit values introduced for nitrogen monoxide, nitrogen dioxide and carbon monoxide, Member States have until 21 August 2023 at the latest. Le règlement relatif au consentement préalable en connaissance de cause régit les importations et les exportations de certains produits chimiques dangereux et impose des obligations aux entreprises qui souhaitent exporter ces produits chimiques vers des pays extérieurs à l’Union européenne. Note the primitive cell may appear less symmetric than the conventional cell representation (see "Structure Type" selector below the 3d structure) For example, sodium hydride (NaH) can be prepared from sodium chloride (NaCl) through the following reaction:[13], LAH also reacts with many inorganic ligands to form coordinated alumina complexes associated with lithium ions. However, substance notifications in the InfoCard are aggregated independently of the impurities and additives. This Directive establishes rules for the safe transport of dangerous goods between EU countries by road, rail, and waterway. The examples provided are generic examples and may not apply to the specific substance you are viewing. 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). 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. [4] This compound is used as a reducing agent in organic synthesis, especially for the reduction of esters, carboxylic acids, and amides. [15] This process can be accelerated by the presence of catalytic elements, such as titanium, iron or vanadium. Commonly, the impure gray material is used in synthesis, since the impurities are innocuous and can be easily separated from the organic products. In order to take advantage of the total hydrogen capacity, the intermediate compound LiH must be dehydrogenated as well. sur la façon dont nous utilisons les cookies. 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. Reactivity can be tuned by replacing hydride groups by alkoxy groups. The cation and anion are joined by electrostatic forces. Please be aware there may be intermittent unavailability while work in ongoing. Some substance identifiers may have been claimed confidential, or may not have been provided, and therefore not be displayed. Release to the environment of this substance can occur from industrial use: manufacturing of the substance. Large-scale purifications employ a Soxhlet extractor. 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. De plus amples informations sur la pratique multilingue de l'ECHA sont disponibles. Information on applicable regulatory frameworks is also automatically generated and may not be complete or up to date. Indicative OELVs, Directive 2017/164/EU establishing a fourth list of IOELVs pursuant to Dir 98/24/EC, and amending Dirs. It applies the European Agreements on the international transport of dangerous goods by road (ADR) and inland waterways (ADN), and the Regulations concerning the international carriage of dangerous goods by rail (RID). The per substance REACH registration status will be made available as soon as possible thereafter. LiAlH4 is then prepared by a salt metathesis reaction according to: which proceeds in a high yield. 1. The solid is dangerously reactive toward water, releasing gaseous hydrogen (H2). Please note that it may take a week or two to have everything fully in place, and please be aware in the meantime that the Registration status may be incorrect and the CLP regulatory context may be incompletely shown. Additionally, if available, information on the use of the substance and how consumers and workers are likely to be exposed to it can also be displayed here. Value might be unreliable. This database contains the RID's Dangerous Goods List, as implemented by the EU's Directive 2008/68/EC. If available, additional information on classification and labelling (C&L) is derived from REACH registration dossiers submitted by industry. When heated LAH decomposes in a three-step reaction mechanism:[15][16][17], R1 is usually initiated by the melting of LAH in the temperature range 150–170 °C,[18][19][20] immediately followed by decomposition into solid Li3AlH6, although R1 is known to proceed below the melting point of LiAlH4 as well.

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