Basic information
- CAS
13759-10-9- Standard SMILES
S=[Si]=S- InChIKey
KHDSWONFYIAAPE-UHFFFAOYSA-N- Molecular formula
- S2Si
- Average molar mass
- 92.22 g/mol
- Monoisotopic mass
- 91.92106888
Names & identifiers
- Preferred name
- Silicon disulfide
- IUPAC
- bis(sulfanylidene)silane
- English name
- SILICON DISULFIDE
- Molecular formula
- S2Si
- Molecular weight
- 92.22
Names & synonyms
Silicon disulfideSilicon sulfide (SiS2)13759-10-9Silicone disulfideUNII-35Y5PHW16K35Y5PHW16KEINECS 237-344-8SILICON DISULFIDE [MI]DTXSID4065606RefChem:183001DTXCID1034424237-344-8
Show more names
Silicon SiliconSilicon(Ⅳ) SulfideSilicon monosulfideSILICON(IV) SULFIDEsiliconsulfide(sis2)mm)silicon(IV sulfide
Silicon disulphidebis(sulfanylidene)silaneSilicon sulfidedithioxosilanesilanedithioneS2SiSiliciumdisulfidSilicium disulfide D-h
Database identifiers
- CAS
13759-10-9- PubChem CID
- 83705
- DTXSID
DTXSID4065606- UNII
- 35Y5PHW16K
- EC Number
- 237-344-8
- Nikkaji
- J95.305I
Properties
Computed structural properties
- Topological polar surface area
- 64.2 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 2
- Rotatable bonds
- 0
- Heavy atoms
- 3
- Formal charge
- 0
- Complexity
- 18.3
Experimental & physicochemical properties
Chemical ClassesMetals -> Metalloid Compounds (Silicon)
SpringerMaterials PropertiesAtomic environment
Physical DescriptionWhite solid; [Merck Index] Grey pieces with an odor of rotten eggs in moist air; [MSDSonline]
Physicochemical properties
- Melting point
- 1090 °C · 1090°C subl.
- Boiling point
- 1090 °C · 1090°C
- Density
- 2 · 2,02 g/cm3
- solubility
- 2 O, · reacts with H2O, ethanol; insoluble in benzene
- form
- white rhombohedral crystals
- color
- white rhomb crystals, crystalline
- Water Solubility
- Decomposes in water
- Specific Heat Capacity
- 0.35 J/ · Cp(gas): 0.35 J/(g·K), at 25℃
- Sensitive
- Moisture Sensitive
- Merck
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
GHS classification
GHS Classification
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, P264+P265, P270, P271, P280, P301+P316, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P370+P378, P402+P404, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 4 reports by companies from 1 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard information
Regulatory InformationSilicon sulfide (SiS2): Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Hazards SummaryEvolves hydrogen sulfide on contact with moisture; [Merck Index] A moderate eye irritant; Hydrogen sulfide produced on contact with moisture can have effects on the respiratory system; [MSDSonline] See Hydrogen sulfide.
Toxicology
Adverse EffectsOther Poison - Chemical Asphyxiant
Safety data
- tsca
- TSCA listed
- ridadr
- UN3134
- Signal word
- Danger
- Symbol(GHS)
- GHS02,GHS06
- hazard_class
- 4.3
Chemistry & industry
Uses & manufacturing
General Manufacturing InformationSilicon sulfide (SiS2): ACTIVE
Upstream & downstream products
Upstream raw materials
Suppliers61 total
湖北成丰化工有限公司13125175253 · [email protected]
杭州品高化工有限公司0571-87658025 · [email protected]
宁波化工原料有限公司13306607903;13306607903 · [email protected]
Dayang Chem (Hangzhou) Co.,Ltd.+86-0571-88938639 17705817739 · [email protected]
上海迈瑞尔生化科技有限公司4006356688 18621169109 · [email protected]
淄博容纳生物科技有限公司+86-86-13583358881 +8618560316533 · [email protected]
上海和宁美生物医药科技有限公司021-18019086215 18019086215 · [email protected]
陕西麟邦实业有限公司17709134430 · [email protected]
PT CHEM GROUP LIMITED+86-85511178; +86-85511178 · [email protected]
上海麦克林生化科技股份有限公司
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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