tetrachlorosilane

• ChemBase ID: 129461
• Molecular Formular: Cl4Si
• Molecular Mass: 169.8975
• Monoisotopic Mass: 167.85233725
• SMILES: [Si](Cl)(Cl)(Cl)Cl
• Canonical SMILES: Cl[Si](Cl)(Cl)Cl
• InChI: InChI=1S/Cl4Si/c1-5(2,3)4
• InChIKey: FDNAPBUWERUEDA-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: tetrachlorosilane
• IUPAC Traditional name: silicon tetrachloride
• Synonyms: Silicon tetrachloride; Tetrachlorosilane; Silicon tetrachloride; Silicon tetrachloride solution; Silicon(IV) chloride; STC; Silicon tetrachloride; 四氯化硅 溶液; 四氯化硅(IV); 四氯硅烷; 四氯化硅

Database IDs

• CAS Number: 10026-04-7
• EC Number: 233-054-0
• MDL Number: MFCD00011229
• Merck Index: 148500
• PubChem SID: 24857194; 162223755; 24852870; 24855023
• PubChem CID: 24816
• Chemspider ID: 23201
• Wikipedia Title: Silicon_tetrachloride

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• LogD (pH = 5.5): 2.082
• LogD (pH = 7.4): 2.082
• Log P: 2.082
• Molar Refractivity: 24.5452 cm^3
• Polarizability: 11.478416 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: Reaction in water; soluble in benzene, toluene, chloroform, ether, hydrochloric Acid
• Apperance: Colourless liquid; liquid; Liquid
• Melting Point: -68.74°C; -70 °C(lit.); -70°C
• Boiling Point: 57.6 °C(lit.); 57.6°C; 57.65°C
• Density: 1.34 g/mL at 25 °C; 1.483; 1.483 g/cm^3; 1.483 g/mL at 25 °C(lit.)
• Vapor Pressure: 25.9 kPa at 20°C; 420 mmHg ( 37.7 °C)
• Vapor Density: 5.86 (vs air)
• Std enthalpy of formation: -687 kJ·mol^-1
• Std molar entropy: 240 J·mol^-1·K^-1

Safety Information

• Storage Warning: Moisture Sensitive
• RTECS: VW0525000
• European Hazard Symbols: Corrosive (C); Irritant (Xi)
• UN Number: 1818; 3264; UN1818
• German water hazard class: 3
• Hazard Class: 8
• Packing Group: 2; II
• Risk Statements: 14-20/22-35-37; 14-36/37/38; 20/21/22-34-40; R14, R36/37/38
• Safety Statements: 26-27-28.1-36/37/39-45; 7/8-26; S2, S7/8, S26
• TSCA Listed: 是
• EU Index: 014-002-00-4
• GHS Pictograms: GHS05; GHS06; GHS07
• GHS Signal Word: Danger; Warning
• NFPA704:
  

  0

  3

  2

  W
• GHS Hazard statements: H301 + H331-H314-H335; H314-H319-H335; H315-H319-H335
• GHS Precautionary statements: P261-P280-P301 + P310-P305 + P351 + P338-P310; P261-P305 + P351 + P338; P280-P305+P351+P338-P309-P310-P402+P404
• Personal Protective Equipment: Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US)
• RID/ADR: UN 1818 8/PG 2; UN 3264 8/PG 2
• Supplemental Hazard Statements: Reacts violently with water.

Product Information

• Purity: 99%; 99% (metals basis); 99.998% (metals basis); 99.998% trace metals basis
• Concentration: 1.0 M in methylene chloride
• Linear Formula: SiCl4

DETAILS

Sigma Aldrich - 249920

Packaging
100 mL in Sure/Seal™

Sigma Aldrich - 289388

Application
Semiconductor grade
Packaging
100, 800 mL in Sure/Seal™

Sigma Aldrich - 215120

Packaging
1 kg in Sure/Seal™
100 g in Sure/Seal™
View returnable container options.

Sigma Aldrich - 688509

Frequently Asked Questions
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General description
Atomic number of base material: 14 Silicon
Packaging
25 mL in ss cylinder
Protocols & Applications
Precursors Packaged for Depositions Systems