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sodium perchlorate solubility

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13 de novembro de 2020

sodium perchlorate solubility

Displayed is the most conservative of the prioritised value(s). Note: Registrants can also select ‘other’ as the test species, dose descriptor type and/or the unit of measure. Solubility in organic solvents / fat solubility. Data is generally standardised and the displayed in milligram per litre or molar per litre. However, substance notifications in the Brief Profile are aggregated independently of the impurities and additives. Provides information if the substance has been identified by one of the following previous EU chemicals regulatory frameworks: The ‘Hazard classification and labelling’ section shows the hazards of a substance through a standardised system of statements and pictograms, as has been established under CLP (Classification Labelling and Packaging) Regulation. The REACH regulatory processes identified for the Brief Profile are: Persistent Organic Pollutants (POPs)The POPs Regulation (EU) 2019/1021 entered into force on 15 July 2019, repealing the previous POPs Regulation (EC) No 850/2004. Solubility: Solubility in water: 209 g/100mL (15°C). Thirdly the display of data is prioritised by units. This website uses cookies to ensure you get the best experience on our websites. Values are generally displayed in milligram per kilo soil (dry weight). These substances cannot be placed on the market or used after a given date, unless an authorisation is granted for their specific use, or the use is exempted from authorisation. Since the sodium perchlorate can also decompose and the sodium chlorate can give off oxygen without making perchlorate, this can be a lossy way to produce this compound. If more than one value is available, results are displayed as concatenated distinct values, ordered by most to least commonly provided, with the % of provided values appended. Units of solubility are given in grams per 100 millilitres of water (g/100 ml), unless shown otherwise. This section displays the values related to carcinogenicity from all registered dossiers for the substance. Sodium perchlorate monohydrate. This brief profile is covered by the ECHA Legal Notice. Processable data is prioritised by the toxicity descriptor type (see list below) and subsequently further prioritised by duration (longer prioritised over shorter). Sodium perchlorate is produced by anodic oxidation of sodium chlorate (which in turn is made from the electrolysis of a solution of sodium chloride) at an inert electrode, such as platinum. Only non-confidential use descriptors are displayed and for readability purpose only use descriptors occurring in more than 5% of the total occurrences are displayed. Applicant’s summary and conclusion – Interpretation of results provides information on the substance’s biodegradation properties in water and can be registered by the registrants by one or more of the following picklist options: Note: Registrants can also select ‘other’ as picklist option for describing the biodegradation values of the substance in water. The physical state and form of a substance can play a significant impact when the hazards of a substance are assessed. More information about the EC Inventory can be found here. For this endpoint registrants do not provide study results that are processable for the Brief Profile. Well, when bonded with the perchlorate ion, it is actually a volatile compound used in explosives! Physicochemical properties Release to the environment of this substance can occur from industrial use: formulation of mixtures and formulation in materials. Processable data is prioritised by the toxicity descriptor type (see list below) and subsequently further prioritised by duration (longer prioritised over shorter). Substance classifications under CLH are agreed at the Community level. This section summarises the Toxicological information provided from all registered dossiers for the substance. Sodium perchlorate is the precursor to many other perchlorate salts, often taking advantage of their low solubility relative to NaClO4 (209 g/100 mL at 25 °C). Half-life in air provides substance information on the substance’s dissipation half-life in air in seconds/minutes/hours/days/weeks/months/years. Applicant’s summary and conclusion – Interpretation of results. To confirm if a substance is covered by a specific legislative framework the official publication should be consulted.Reproduction or further distribution of this information may be subject to copyright protection. Values are generally displayed in milligram per kilo soil (dry weight). Each endpoint includes three information blocks: Note: Information presented in this section is generated as part of an automatic process, i.e. Henry’s Law Constant provides substance information on the substance’s Henry’s Law Constant measured in in Pa.m3.mol-1 at a temperature measured in °C. Therefore, it is the purpose of this paper to present a study of the solubility of CaSO4.2H20 at 298 K and of CaSO4 at 423 and 523 K in dilute and concentrated NaC104+H20 solutions for comparison with previous results in several other 1--1 salt solutions. Sodium perchlorate is the precursor to many other perchlorate salts, often taking advantage of their low solubility relative to NaClO 4 (209 g/100 ml at 25 °C). Solubility. concentrations. Close Find out more on how we use cookies. Welcome to the ECHA website. The bars indicate the number of matching classifications, i.e. If on clothing: rinse immediately contaminated clothing and skin with plenty of water before removing clothes. Applicant’s summary and conclusion – Interpretation of results (inhalation). If more than one result is available per endpoint, the range of results (min-max) and range of experimental conditions will be presented (RANGE method). The CLP regulatory processes identified for the Brief Profile are: The BPR (528/2012) entered into force on 1 September 2013. See information under ‘Applicant’s summary and conclusion – interpretation of results (oral)’. This substance is used by professional workers (widespread uses), in formulation or re-packing, at industrial sites and in manufacturing. Harmonised classifications (√ - check mark). This section summarises physical and chemical property values from all registered dossiers in ECHA’s databases for the substance. Oxidising. Within each of these categories, data is prioritised further by duration (in hours), with longer prioritised over shorter. There are four methods to aggregate and summarise data, depending on the available data and endpoint. If such information is available in ECHA’s database and is it not claimed confidential, the molecular formula and molecular structure will be displayed here. If a threshold is derived, the type of hazard assessment conclusion is displayed and the registered threshold is reported in (nano/micro/milli)gram per cubic metre. This section summarises the values related to toxicity to microorganisms from all registered dossiers for the substance. Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH)The REACH Regulation (1907/2006) entered into force on 1 June 2007. It is possible that the harmonisation is introduced through an amendment to the CLP Regulation. Note: Registrants can also select ‘BMD’, ‘BMC’, ‘dose level’ and ‘conc. Dossier evaluation – indicated if at least one registered dossier for the substance has been evaluated under REACH for compliance check or testing proposal evaluation and associated decision(s) published on the ECHA website. Registrants can register their substance’s bioaccumulation properties as: Registrants can register their substance’s oral/dermal/inhalation absorption rate values in percentages. Liptakov's video on producing sodium perchlorate from sodium chlorate by thermal decomposition: http://www.utahpyro.org/compositions/HowToMakeSodiumPerchlorate.pdf, http://www.oocities.org/capecanaveral/campus/5361/chlorate/naperchl.html, https://www.youtube.com/watch?v=1Ylt2ZKJlME, https://patents.google.com/patent/US3151935A/en, Perchlorate in the Environment (2000), Edward Todd Urbansky, pag. Color: White: Melting Point: 482.0°C: pH: 6.0 to 8.0 (5% aq. Values are generally displayed in milligram per litre. Values provided in ppb and Vol% are provided separately. Sodium Perchlorate. Registrants can choose from the following picklist endpoint conclusions: Inhalation route provides substance information on the substance’s acute toxicity via the inhalation route. Skin irritation/corrosion provides substance information on the substance’s irritation/corrosion effect on the skin. This substance is used in the following products: laboratory chemicals and pharmaceuticals. 'IUPAC name' is the generic field by which substance names are provided in various data submission tools. Processable data for study results is prioritised by test species (see list below) and subsequently further prioritised by the dose descriptor. SODIUM PERCHLORATE Critical evaluation Binary systems Solubility in water Solubility in 020 Solubility in other solvents II Ternary systems Solubility in mixed solvents Systems NaCI04-inorganiccompound-H20 ... Solubility Data Project and Chairman ofCommission V.8 … ECHA maintains the C&L Inventory, but does not review or verify the accuracy of the information. Data generally displayed in milligrams per kilogram bodyweight per day. EC10 / LC10 or NOEC for freshwater sediment provides substance information on the substance’s effect concentration/lethal concentration for 10% of the model organisms feeding off the freshwater sediment or the no observed effect concentration for of the model organisms feeding off the freshwater sediment. Within the context of REACH, impurities are unintended constituents present in a substance as manufactured. Hazard for terrestrial organisms provides information on the substance’s hazard assessment conclusion related to terrestrial organisms/soil. An IUPAC name is based on the international standard chemical nomenclature set by the International Union of Pure and Applied Chemistry (IUPAC). Short-term EC50 or LC50 for soil microorganisms provides substance information on the substance’s effect concentration or lethal concentration (short term) for 50% of soil microorganisms in the test, generally displayed in milligram per kilo soil (dry weight). In this case, the preferred CAS number is displayed first. ECHA has no public registered data indicating whether or into which articles the substance might have been processed. Inherently biodegradable, fulfilling specific criteria; Inherently biodegradable, not fulfilling specific criteria, Under test conditions no biodegradation observed. The ‘Scientific properties’ section gives an overview of summarised scientific data from registered dossiers. Sodium perchlorate has the maximum solubility in water at a given temperature as compared to perchlorates of magnesium and potassium. If so, the data provided is not processed for the Brief Profile. Data from all dossiers registered for the same substance is used in the summarisation and aggregation process, as it is presumed that all data submitted by the registrants is relevant for the substance being registered. Displayed are the RANGES of min – max of the PRIORITISED value(s) within the five highest priority groupings of provided data. Translated names gives the names in different EU languages, where available to ECHA. This section provides an overview of the type of study records behind the presented results and – if applicable - data waving justifications. Values are generally displayed in milligram per kilo food. Displayed are the RANGES of min – max of the PRIORITISED value(s) within the five highest priority groupings of provided data. Solubility in mg/100g standard fat at 20°C provides substance information on the substance solubility in standard fat in milligram per 100 gram at a temperature of 20°C. The substance identifiers – if available and not claimed confidential – displayed in the ’Substance identity’ section of the Brief Profile are: In addition, information on the type of substance, origin, number and type of registered compositions and other places where the substance is listed are displayed in this section. Natriumperchlorate. Additional information on classification and labelling (C&L) – if available – is derived from REACH registration dossiers submitted by industry. The Agency thus cannot guarantee the correctness of the information displayed. These notifications can be provided by manufacturers, importers and downstream users. It should be kept away from organic substances and strong reducing agents. Though the Agency aims to include as many studies as possible in the Brief Profile endpoint study results/summaries, those studies which do not fit the format or miss crucial information (such as measurement conditions) cannot be processed and therefore will not be included on this page. The content is subject to change without prior notice. sodium perchlorate Physical appearance: colorless rhombic crystals Empirical formula (Hill's system for organic substances): ClNaO 4 Structural formula as text: NaClO4 Molar/atomic mass: 122.44 Melting point (°C): 482 Destruction point (°C): 482 Solubility (g/100 g of solvent): 1-butanol: 1.86 (23°C) liquid ammonia: 278.3 (-33°C) If there are additives and impurities relevant for the substance classification, these are also indicated. The Brief Profile is produced based on data in ECHA’s databases and maintained by the Agency, and therefore the Brief Profile as a dissemination tool falls under ECHA’s responsibility. With standard SMILES, the name of a molecule is synonymous with its structure: it indirectly shows a two dimensional picture of the molecular structure. Values are generally displayed in milligrams per kilogram (dry weight). 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). Bulk density provides substance information on the bulk density in (kilo)grams per (centi)metre (cm/m) at a temperature measured in °C. More information about classification and labelling can be found in the Regulations section of ECHA website. Also, if the registrant selects the ‘mg/100 g solvent’; ‘g/kg solvent’; ‘ppb’; ‘vol%’ and ‘other’ as a unit of measure, the data provided will not be processed for the Brief Profile.

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