Silicon sulfide (SiS2)
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Silicon sulfide (SiS2)
structure -
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CAS No:
13759-10-9
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Formula:
S2Si
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Chemical Name:
Silicon sulfide (SiS2)
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Synonyms:
Silicon sulfide (SiS2);Silicon disulfide;1315-00-0
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CAS No:
Description
Silicon sulfide is an inorganic compound with the chemical formula SiS2. It is a white fibrous orthorhombic or tetragonal crystal system, formed by the sublimation of amorphous silicon and sulfur after heating. Similar to silicon dioxide, this material is a polymer, but its one-dimensional structure is different from the usual form of silicon dioxide. Similar to other silicon sulfur compounds, Silicon sulfide (SiS2) is easily hydrolyzed in the air to produce H2S and SiO2. It is stable at room temperature and pressure, and burns when heated in the air. Its density is 1.853 g/cm3, melting point is 1090 ℃, and boiling point is 1130 ℃.
Safety Information
II
4.3
UN3134
|Danger|H261 (100%): In contact with water releases flammable gas [Danger Substances and mixtures which in contact with water, emit flammable gases]|P231+P232, P261, P264, P270, P271, P280, P301+P310, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P370+P378, P402+P404, P403+P233, P405, and P501|Aggregated GHS information provided by 4 companies from 1 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Silicon sulfide (SiS2) Use and Manufacturing
Silicon sulfide (SiS2) can be prepared by direct co-heating of the elements, or by co-heating of hydrogen sulfide with silicon, or by reacting SiO2 with Al2S3: Si + 2 H2S —2073K→ SiS2 + 2 H2; 3 SiO2 + 2 Al2S3 —1373K→ 3 SiS2 + 2 Al2O3. Silicon sulfide (SiS2) is a promising material for the production of cathodes for a variety of solid-state battery designs, and like many related sulfides, may eventually rely on this compound as a key production material. The same properties that Silicon sulfide (SiS2) possesses in the production of cathodes for solid-state batteries also make it of great interest in the production of other electronic components, especially cathodes for a variety of applications. In addition to direct applications and research potential, many other valuable compounds can be produced from Silicon sulfide (SiS2) as a basis. Like many related inorganic compounds, Silicon sulfide (SiS2) has recently been investigated for its potential optical and photovoltaic properties, i.e. for use in solar and similar technologies.
25,000 - 100,000 lb
Petroleum refineries|Silicon sulfide (SiS2): ACTIVE
Computed Properties
Molecular Weight:92.22
Hydrogen Bond Acceptor Count:2
Exact Mass:91.92106888
Monoisotopic Mass:91.92106888
Topological Polar Surface Area:64.2
Heavy Atom Count:3
Complexity:18.3
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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