Tin (II) sulfide

Crystal structure
__ Sn 2+      __ S 2−
General
Surname	Tin (II) sulfide
other names	Tin monosulfide
Ratio formula	SnS
Brief description	dark gray solid
External identifiers / databases
CAS number 1314-95-0 EC number 215-248-7 ECHA InfoCard 100,013,863 PubChem 426379 ChemSpider 377250 Wikidata Q204986
properties
Molar mass	150.76 g mol −1
Physical state	firmly
density	5.22 g cm −3
Melting point	882 ° C
boiling point	about 1230 ° C
solubility	almost insoluble in water
safety instructions
GHS labeling of hazardous substances Caution H and P phrases H: 315-319-335 P: 261-305 + 351 + 338
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 .

${\displaystyle \mathrm {Sn+\ S\longrightarrow \ SnS} }$

${\displaystyle \mathrm {SnCl_{2}+H_{2}S\longrightarrow \ SnS+2\ HCl} }$

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 .

${\displaystyle \mathrm {Sn^{2+}+\ S^{2-}\longrightarrow \ SnS\downarrow } }$

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

1. ↑ ^{a b c d e} record with tin (II) sulphide in the GESTIS database of IFA , accessed on 4 September 2007 (JavaScript required)
2. ↑ ^{a b} Datasheet Tin (II) sulfide from Sigma-Aldrich , accessed on April 26, 2011 ( PDF ).
3. ↑ Mineral data sheet - Herzenbergite (English, PDF 57.5 kB)
4. ^ Robert Strebinger: Practical course in qualitative chemical analysis including micro and spot reactions . 1939, p. 49 .
5. ↑ Gerhart Jander, Ewald Blasius, textbook of analytical and preparative inorganic chemistry. 14th edition. Hirzel Verlag, Stuttgart 1995, ISBN 3-7776-0612-X .
6. ↑ Chemmetall: Use of metal sulfides ( Memento from February 2, 2012 in the Internet Archive )
7. ↑ 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).
8. ^ 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 .