Sodium carbide
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| General | ||||||||||||||||
| Surname | Sodium carbide | |||||||||||||||
| other names |
Sodium acetylide |
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| Molecular formula | Na 2 C 2 | |||||||||||||||
| Brief description |
White dust |
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| properties | ||||||||||||||||
| Molar mass | 70 g mol −1 | |||||||||||||||
| Physical state |
firmly |
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| density |
1.57 g cm −3 (15 ° C) |
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| As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . | ||||||||||||||||
Sodium carbide , Na 2 C 2, is an inorganic chemical compound of sodium from the group of carbides .
Extraction and presentation
Between 400 ° C and 600 ° C, sodium carbide is produced from ethyne C 2 H 2 and sodium .
properties
At 800 ° C the sodium carbide dissociates . In the presence of water, explosive decomposition takes place
The compound can be used in the form of a THF solution as a reducing agent in Cabonyl chemistry.
![{\ displaystyle {\ ce {2 [MnBr (CO) 5] + Na2C2 -> [Mn2 (CO) 10] + 2NaBr + 2C}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/db6bd32c564262be612c07b43ad7a5d668c218fd)
Individual evidence
- ^ A b c d T. Y. Kosolapova: Carbides: Properties, Production, and Applications . Springer Science & Business Media, 2012, ISBN 1-4684-8006-5 , p. 63 ( limited preview in Google Book search).
- ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
- ^ Julian A. Davies: Synthetic Coordination Chemistry . Principles and Practice. World Scientific, 1996, ISBN 978-981-02-2084-6 , pp. 299 ( limited preview in Google Book Search [accessed March 24, 2019]).