Back رباعي بروميد السيليكون Arabic Bromid křemičitý Czech Tetrabromsilan German Piitetrabromidi Finnish सिलिकॉन टेट्राब्रोमाइड Hindi Tetrabromuro di silicio Italian Siliciumtetrabromide Dutch Тетрабромид кремния Russian Silicijum tetrabromid Serbo-Croatian Bromid kremičitý Slovak

Silicon tetrabromide

Silicon tetrabromide
Stereo structural formula of silicon tetrabromide
Stereo structural formula of silicon tetrabromide
Space fill model of silicon tetrabromide
Space fill model of silicon tetrabromide
Ball and stick model of silicon tetrabromide
Names
IUPAC name
Silicon tetrabromide
Other names
Silicon bromide
Silicon(IV) bromide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.029.257 Edit this at Wikidata
EC Number
  • 232-182-4
UNII
UN number 3264
  • InChI=1S/Br4Si/c1-5(2,3)4 checkY
    Key: AIFMYMZGQVTROK-UHFFFAOYSA-N checkY
  • Br[Si](Br)(Br)Br
Properties
Br4Si
Molar mass 347.701 g·mol−1
Appearance Colorless liquid
Density 2.79 g·cm−3
Melting point 5 °C (41 °F; 278 K)
Boiling point 153 °C (307 °F; 426 K)
−-128.6·10−6 cm3/mol
1.5685
Hazards
GHS labelling:
GHS05: CorrosiveGHS07: Exclamation mark
Danger
H302, H312, H314, H332, H335
P260, P261, P264, P270, P271, P280, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P310, P312, P321, P322, P330, P363, P403+P233, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 0: Will not burn. E.g. waterInstability 2: Undergoes violent chemical change at elevated temperatures and pressures, reacts violently with water, or may form explosive mixtures with water. E.g. white phosphorusSpecial hazard W: Reacts with water in an unusual or dangerous manner. E.g. sodium, sulfuric acid
3
0
2
W
Related compounds
Related tetrahalosilanes
 Silicon tetrachloride
Silicon tetrafluoride
Silicon tetraiodide
Related compounds
 Platinum(IV) bromide
Tellurium tetrabromide
Tetrabromomethane
Tin(IV) bromide
Titanium tetrabromide
Zirconium(IV) bromide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Silicon tetrabromide, also known as tetrabromosilane, is the inorganic compound with the formula SiBr4.[1] This colorless liquid has a suffocating odor due to its tendency to hydrolyze with release of hydrogen bromide.[2] The general properties of silicon tetrabromide closely resemble those of the more commonly used silicon tetrachloride.[2]

  1. ^ PubChem. "Tetrabromosilane". pubchem.ncbi.nlm.nih.gov. Retrieved 2022-12-22.
  2. ^ a b Encyclopedia of Inorganic Chemistry; King, B. R.; John Wiley & Sons Ltd.: New York, NY, 1994; Vol 7, pp 3779–3782.
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