Silicon

Base Information

• Chemical Name: Silicon
• CAS No.: 7803-62-5
• Deprecated CAS: 152284-21-4,157383-37-4,160371-18-6,17375-03-0,71536-23-7,72516-01-9,72516-02-0,72516-03-1,90337-93-2,1616351-53-1,157383-37-4,160371-18-6,17375-03-0,71536-23-7,72516-01-9,72516-02-0,72516-03-1
• Molecular Formula: SiH4
• Molecular Weight: 32.12
• Hs Code.: 3910000000
• European Community (EC) Number: 231-130-8,692-536-2
• ICSC Number: 1508
• UN Number: 1346
• UNII: 5J076063R1,Z4152N8IUI
• DSSTox Substance ID: DTXSID0051441,DTXSID6052534
• Wikipedia: Silicon
• Wikidata: Q670
• NCI Thesaurus Code: C84589
• RXCUI: 9774
• Mol file: 7803-62-5.mol

Synonyms:Silicon;Silicon 28;Silicon-28

Chemical Property of Silicon

Chemical Property:

• Appearance/Colour: Colorless
• Vapor Pressure: 100kPa at 20℃
• Melting Point: -185 °C
• Boiling Point: -112 °C
• PSA: 0.00000
• Density: 1.114 g/mL at 25 °C(lit.)
• LogP: -1.45160
• Water Solubility.: decomposed by H2O; insoluble alcohol, benzene [HAW93]
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 27.976926534
• Heavy Atom Count: 1
• Complexity: 0
• Transport DOT Label: Flammable Solid

Purity/Quality:

98% ^*data from raw suppliers

Safty Information:

• Pictogram(s): F+,Xn
• Hazard Codes: F+,Xn
• Statements: 12-17-20
• Safety Statements: 9-16-33-36/37/39

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Chemical Classes: Mineral Dusts -> Other Mineral Dusts
• Canonical SMILES: [Si]
• Recent ClinicalTrials: Silicone Gel to Improve Scar in Microtia Patients
• Recent NIPH Clinical Trials: Randomized controlled trial of liver retraction methods for laparoscopic gastrectomy and gastric tube reconstruction.
• Inhalation Risk: A nuisance-causing concentration of airborne particles can be reached quickly when dispersed.
• Effects of Short Term Exposure: May cause mechanical irritation to the eyes and respiratory tract.
• Description: Silane is a colorless, spontaneously flammable (pyrophoric) gas. It has a choking odor and may form explosive mixtures with air. Silane will react violently with heavy metal halides and free halogens other than hydrogen chloride.
• Uses: Silane, SiH4 is a colorless gas that is spontaneously flammable in air and slowly decomposed by water; in the presence of aqueous alkali it is completely hydrolyzed to form hydrogen and silicates. It is manufactured on a commercial scale and sold as a compressed gas in cylinders. Silane, pure or doped, is used to prepare semiconducting silicon by thermal decomposition at >600 °C. Gaseous dopants such as germane, arsine, or diborane may be added to the silane at very low concentrations in the epitaxial growing of semiconducting silicon for the electronics industry. Higher silanes, eg, Si2H6 and Si3H8, are known but are less stable than SiH4. These are analogues of lower saturated hydrocarbons. Source of hyperpure silicon for semiconductors. It is used for doping of solid-state devicesand for preparing semiconducting silicon forthe electronic industry.