The POPs Regulation bans or severely restricts the production and use of persistent organic pollutants in the European Union. [4], In their search for a new process for producing cyanides for cyanide leaching of gold, Frank and Caro discovered the ability of alkaline earth carbides to adsorb atmospheric nitrogen at high temperatures. 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. For a detailed overview on identified uses and environmental releases, please consult the registered substance factsheet. Likewise the per substance indication of harmonised C&L, Seveso directive, or notified C&L regulatory context will be made available as soon as possible. the products in which the substance may be used) may refer to uses as intermediate and under controlled conditions, for which there is no consumer exposure. 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. Molecular Weight. A substance may have its use restricted to certain articles or products and therefore not all the examples may apply to the specific substance. The annexes to this directive provide detailed information about the minimum requirements for all safety and health signs. [3], Reducing calcium nitride with carbon at 800-900 °C in a nitrogen atmosphere will also give calcium cyanamide. Substances which have been registered and can be placed on the EEA market by those companies with a valid registration. 156-62-7), https://en.wikipedia.org/w/index.php?title=Calcium_cyanamide&oldid=986623423, Chemical articles with multiple compound IDs, Multiple chemicals in an infobox that need indexing, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Wikipedia articles needing clarification from February 2018, Wikipedia articles incorporating a citation from the 1911 Encyclopaedia Britannica with Wikisource reference, Creative Commons Attribution-ShareAlike License, White solid (Often gray or black from impurities), 1,150 to 1,200 °C (2,100 to 2,190 °F; 1,420 to 1,470 K) (sublimes), This page was last edited on 2 November 2020, at 00:39. Release to the environment of this substance can occur from industrial use: as an intermediate step in further manufacturing of another substance (use of intermediates) and as processing aid. Calcium cyanamide is also used as a wire-fed alloy in steelmaking, in order to introduce nitrogen into the steel. Table 3 of Annex VI to CLP Regulation); and (2) the Candidate List of substances of very high concern (SVHC). The conversion is conducted in slurries, consequently most commercial calcium cyanamide is sold as an aqueous solution. %%EOF It can also be bought from chemical suppliers. 3.2, Table A), Directive 2008/68/EC, last amended by Regulation 2019/1243/EU, 25 July 2019, EU. The quality and correctness of the information submitted to ECHA remains the responsibility of the data submitter. This process requires meticulous temperature control since the melting point of calcium cyanamide is only about 120°C lower than the boiling point of sodium chloride. Welcome to the ECHA website. 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. Calcium cyanamide is obtained industrially by heating calcium carbide powder at 1,000 °C, usually in an electric furnace, while injecting nitrogen gas over the hot carbide, which is recirculated. endstream endobj 24 0 obj <> endobj 25 0 obj <>/Border[0 0 0]/Rect[79 110 124 125]/Subtype/Link/Type/Annot>><>/Border[0 0 0]/Rect[139 110 160 125]/Subtype/Link/Type/Annot>><>/Border[0 0 0]/Rect[342.58 110.0 363.58 125.0]/Subtype/Link/Type/Annot>>]/Contents[28 0 R 29 0 R 31 0 R 32 0 R 33 0 R 34 0 R 35 0 R 36 0 R]/CropBox[0 0 612 792]/MediaBox[0 0 612 792]/Parent 21 0 R/Resources<>/Font<>/ProcSet[/PDF/Text]>>/Rotate 0/Type/Page>> endobj 26 0 obj <>stream This substance is used in the following products: fertilisers. It was first synthesized in 1898 by Adolph Frank and Nikodem Caro (Frank-Caro process). Recent electrophysiological evidence suggests that ethanol simultaneously exerts opposite effects on the activity of dopamine (DA) neurons in the ventral tegmental area (VTA) through two parallel mech... Get all suppliers and price by the below link: Home | This Directive establishes rules for the safe transport of dangerous goods between EU countries by road, rail, and waterway. Service | Product Classification | Substances may have impurities and additives that lead to different classifications. The examples provided are generic examples and may not apply to the specific substance you are viewing. The process was particularly challenging due to the equipment requirements required by the high temperatures during the initial igniter step. This substance has been found in the following regulatory activities (directly, or inheriting the regulatory context of a parent substance): This list represents a calculated inventory of substances based on the list of harmonized substances contained in Table 3 of Annex VI to the CLP Regulation (1272/2008/EC). 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. Franck, W. Burg, Zeitschrift für Elektrochemie und angewandte physikalische Chemie, Angewandte Chemie, Band 29, Ausgabe 16, Seite R97, 25. It was first synthesized in 1898 by Adolph Frank and Nikodem Caro (Frank-Caro process). Shanghai Jizhi Biochemical Technology Co., Ltd, calcium,(E)-4-oxopent-2-en-2-olate,hydrate, calcium,sodium,2-[bis[2-[carboxylatomethyl-[2-(methylamino)-2-oxoethyl]amino]ethyl]amino]acetate, calcium,5-(4-chlorophenoxy)pyridine-2-carboxylate, dust mask type N95 (US);Eyeshields;Faceshields;Gloves. Derivatives of this compound are also referred to as cyanamides, the most common being calcium cyanamide (CaCN 2 ).

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