Properties of concern are calculated at four "levels" of certainty: The following properties of concern are calculated: The substance properties displayed in this section are derived from Harmonised classification and labelling (CLH) data, entries in the Candidate list of substances of very high concern for authorisation, the PBT assessment list, the ED assessment list, REACH registered dossier data and from notifications made under CLP. The InfoCard summarises the non-confidential data of a substance held in the databases of the European Chemicals Agency (ECHA). Zinc Bromide/Calcium Bromide brine is used as a clear-fluid brine during workover and completion operations which require densities to 19.2 lb/gal (2,301 kg/m3). Zinc bromide is a Lewis acid. Please be aware there may be intermittent unavailability while work in ongoing. the electronic edition of the Official Journal of the European Union. 0000008659 00000 n 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). disodium tetraborate EC no. 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 information is aggregated from the data coming from REACH substance registrations provided by industry. The EC or list number is the primary substance identifier used by ECHA. This substance is used in the following areas: mining and municipal supply (e.g. electricity, steam, gas, water) and sewage treatment. It is blended with calcium chloride/calcium bromide brines to formulate and control the density of various fluid blends. The quality and correctness of the information submitted to ECHA remains the responsibility of the data submitter. 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. 34 0 obj<>stream ��6�)�@����{a�����C�+< &�,ٗb+�L���Fܯ��׻+g����_��֏�O|�'Ubg�>��������*g�����-V8���L��>R�4�C}Z\C��;�8~]4�em^�7;��;T�\X��F$B� /"�T���A����g&�������=�F=BЈ��0y&���at>�Q� Pp�z@��� �td��y�|��0�' 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. ECHA has no public registered data on the routes by which this substance is most likely to be released to the environment. Harmonised classification and labelling is a legally binding classification and labelling for a substance, agreed at European Community level. Zinc Bromide/Calcium Bromide brine is used as a clear-fluid brine during workover and completion operations which require densities to 19.2 lb/gal (2,301 kg/m3). For readability purpose, only non-confidential use descriptors occurring in more than 5% of total occurrences are displayed. 0000009920 00000 n In oil and natural gas wells, solutions containing zinc bromide are used to displace drilling mud when transitioning from the drilling phase to the completion phase or in well workover operations. Its HSE problems must be weighed carefully against its advantages. This site is not fully supported in Internet Explorer 7 (and earlier versions). This substance is used in the following products: pH regulators and water treatment products, welding & soldering products, adsorbents and heat transfer fluids. 0 Close Find out more on how we use cookies. trailer 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. 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. Zinc bromide is sometimes used for the selective removal of Boc protecting groups from secondary amines. Other release to the environment of this substance is likely to occur from: indoor use (e.g. 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 POPs Regulation bans or severely restricts the production and use of persistent organic pollutants in the European Union. ECHA has no public registered data indicating whether or in which chemical products the substance might be used. 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. If available, additional information on classification and labelling (C&L) is derived from REACH registration dossiers submitted by industry. * Skin rash can occur with repeated exposure. However, use of zinc bromide or ytterbium triflate allowed formation of the addition product 173 (R = Et, R 1 = Me). It is 75% clear brine and has the chemical formula ZnBr2. Uses. The examples provided are generic examples and may not apply to the specific substance you are viewing. 0000055458 00000 n 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. in case of consumer and professional uses). 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 (*).

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