Carbon tetrabromide

Carbon tetrabromide
Names
Preferred IUPAC name
Tetrabromomethane
Other names
  • Carbon(IV) bromide
  • Carbon bromide, neutral (1:4)
  • Carbon tetrabromide
Identifiers
3D model (JSmol)
Abbreviations R-10B4
1732799
ChEBI
ChemSpider
ECHA InfoCard 100.008.355
EC Number
  • 209-189-6
26450
MeSH carbon+tetrabromide
RTECS number
  • FG4725000
UNII
UN number 2516
  • InChI=1S/CBr4/c2-1(3,4)5 Y
    Key: HJUGFYREWKUQJT-UHFFFAOYSA-N Y
  • BrC(Br)(Br)Br
Properties
CBr4
Molar mass 331.627 g·mol−1
Appearance Colorless to yellow-brown crystals
Odor sweet odor
Density 3.42 g mL−1
Melting point 94.5 °C; 202.0 °F; 367.6 K
Boiling point 189.7 °C; 373.4 °F; 462.8 K decomposes
0.024 g/100 mL (30 °C)
Solubility soluble in ether, chloroform, ethanol
Vapor pressure 5.33 kPa (at 96.3 °C)
−93.73·10−6 cm3/mol
1.5942 (100 °C)
Structure
Monoclinic
Tetragonal
Tetrahedron
0 D
Thermochemistry
0.4399 J K−1 g−1
212.5 J/mol K
26.0–32.8 kJ mol−1
47.7 kJ/mol
−426.2–−419.6 kJ mol−1
Hazards
GHS labelling:
Danger
H302, H315, H318, H335
P261, P280, P305+P351+P338
NFPA 704 (fire diamond)
2
0
0
Flash point noncombustible
Lethal dose or concentration (LD, LC):
  • 56 mg kg−1 (intravenous, mouse)
  • 100 mg kg−1 (oral, rat)
NIOSH (US health exposure limits):
PEL (Permissible)
 none
REL (Recommended)
 TWA 0.1 ppm (1.4 mg/m3) ST 0.3 ppm (4 mg/m3)
IDLH (Immediate danger)
 N.D.
Safety data sheet (SDS) inchem.org
Related compounds
Other anions
 Carbon tetrafluoride
Carbon tetrachloride
Carbon tetraiodide
Other cations
 Silicon tetrabromide
Germanium tetrabromide
Tin(IV) bromide
Related alkanes
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Carbon tetrabromide, CBr4, also known as tetrabromomethane, is a bromide of carbon. Both names are acceptable under IUPAC nomenclature.

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