Disulfur dibromide

Sulfur dibromide
IUPAC name
bromosulfanyl thiohypobromite
Other names
Sulphur dibromide
Sulfur(II) bromide
Bromosulfanyl thiohypobromite
13172-31-1 YesY
3D model (Jmol) Interactive image
ECHA InfoCard 100.032.821
EC Number 236-119-1
PubChem 123296
Molar mass 223.940 g mol−1
Appearance orange/yellow liquid
Density 2.703
Boiling point 54 °C (129 °F; 327 K)
C2, gauche
Safety data sheet ICSC 1661
Corrosive (C)
Irritant (Xi)
Dangerous for the environment (N)
R-phrases R14, R34, R37, R50
S-phrases (S1/2), S26, S45, S61
Related compounds
Sulfur dibromide
Thionyl bromide
Sulfuryl bromide
Related compounds
Disulfur difluoride
Disulfur dichloride
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

Disulfur dibromide is the chemical compound whose molecule is composed of two atoms each of sulfur and bromine. The molecular structure is akin to that of hydrogen peroxide (H2O2).

Disulfur dibromide is the most stable sulfur bromide, however, its thermal stability is low. It is a toxic, orange/yellow liquid that smokes in air due to the reaction with water vapor. In the presence of moisture, disulfur dibromides reacts violently with oxidants, releasing bromide anion and sulfur oxides. In general, its reactivity resembles that of S2Cl2.

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