A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
Sulfur, S Bromine, Br | |
Names | |
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IUPAC name
Dibromodisulfane
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Other names
Bromosulfanyl thiohypobromite
Disulfur dibromide | |
Identifiers | |
3D model (JSmol)
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ChemSpider | |
ECHA InfoCard | 100.032.821 |
EC Number |
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PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
S2Br2 | |
Molar mass | 223.93 g·mol−1 |
Appearance | Orange/yellow liquid |
Density | 2.703 g/cm3 |
Boiling point | 46–48 °C (115–118 °F; 319–321 K) (0.1 mmHg) |
Structure | |
C2 | |
2 at sulfur atoms | |
gauche | |
Hazards | |
GHS labelling: | |
Danger | |
Safety data sheet (SDS) | ICSC 1661 |
Related compounds | |
Related
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Related compounds
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa).
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Disulfur dibromide is the inorganic compound with the formula S2Br2. It is a yellow-brown liquid that fumes in air. It is prepared by direct combination of the elements and purified by vacuum distillation.[1] The compound has no particular application, unlike the related sulfur compound disulfur dichloride.
The molecular structure is Br−S−S−Br, akin to that of disulfur dichloride (S2Cl2). According to electron diffraction measurements, the angle between the Bra−S−S and S−S−Brb planes is 84° and the Br−S−S angle is 107°. The S−S distance is 198.0 pm, circa 5.0 pm shorter than for S2Cl2.[2]
References
- ^ F. Fehér (1963). "Dibromodisulfane". In G. Brauer (ed.). Handbook of Preparative Inorganic Chemistry, 2nd Ed. Vol. 1. NY, NY: Academic Press. pp. 377–378.
- ^ Zysman-Colman, Eli; Harpp, David (2004). "Comparison of the Structural Properties of Compounds Containing the XSSX Moiety (X = H, Me, R, Cl, Br, F, OR)". Journal of Sulfur Chemistry. 25: 291-316. doi:10.1080/17415990410001710163. S2CID 95468251.
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