Tin (II) sulfide
Crystal structure | |||||||||||||||||||
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__ Sn 2+ __ S 2− | |||||||||||||||||||
General | |||||||||||||||||||
Surname | Tin (II) sulfide | ||||||||||||||||||
other names |
Tin monosulfide |
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Ratio formula | SnS | ||||||||||||||||||
Brief description |
dark gray solid |
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External identifiers / databases | |||||||||||||||||||
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properties | |||||||||||||||||||
Molar mass | 150.76 g mol −1 | ||||||||||||||||||
Physical state |
firmly |
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density |
5.22 g cm −3 |
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Melting point |
882 ° C |
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boiling point |
about 1230 ° C |
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solubility |
almost insoluble in water |
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safety instructions | |||||||||||||||||||
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As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
Tin (II) sulfide is a chemical compound made up of the elements tin and sulfur with the formula SnS.
Occurrence
Tin (II) sulfide occurs naturally in the form of the mineral herzbergite .
Extraction and presentation
Tin (II) sulfide can be obtained by reacting tin with sulfur or by reacting tin (II) chloride with hydrogen sulfide .
properties
Tin (II) sulfide is a dark gray solid that is insoluble in water but soluble in concentrated hydrochloric acid .
use
The sparingly soluble (dark brown) of tin (II) sulfide can be a qualitative evidence of Sn 2+ - ions are used ( precipitation reaction ). Tin (II) sulfide can be precipitated from Sn 2+ -containing solutions with hydrogen sulfide or soluble sulfide salts .
It is also used as an additive in powder metallurgy. It is a binary semiconductor with a band gap of 1.3 eV to 1.4 eV and is used in semiconductor technology.
See also
- Tin (IV) sulfide SnS 2
- Tributyl tin sulfide C 24 H 54 SSn 2
Individual evidence
- ↑ a b c d e record with tin (II) sulphide in the GESTIS database of IFA , accessed on 4 September 2007 (JavaScript required)
- ↑ a b Datasheet Tin (II) sulfide from Sigma-Aldrich , accessed on April 26, 2011 ( PDF ).
- ↑ Mineral data sheet - Herzenbergite (English, PDF 57.5 kB)
- ^ Robert Strebinger: Practical course in qualitative chemical analysis including micro and spot reactions . 1939, p. 49 .
- ↑ Gerhart Jander, Ewald Blasius, textbook of analytical and preparative inorganic chemistry. 14th edition. Hirzel Verlag, Stuttgart 1995, ISBN 3-7776-0612-X .
- ↑ Chemmetall: Use of metal sulfides ( Memento from February 2, 2012 in the Internet Archive )
- ↑ Marcel Gielen: Tin Chemistry: Fundamentals, Frontiers, and Applications . John Wiley & Sons, 2008, ISBN 978-0-470-75808-3 , pp. 290 f . ( limited preview in Google Book search).
- ^ Jacob A. Andrade-Arvizu et al .: SnS-based thin film solar cells: perspectives over the last 25 years . Journal of Materials Science: Materials in Electronics, 2015, doi : 10.1007 / s10854-015-3050-z .