1,2-Dibromobenzene
1,2-Dibromobenzene (o-Dibromobenzene) is an organobromine compound with the formula C6H4Br2. It is one of three isomers, the others being 1,3- and 1,4-dibromobenzene. It is a colorless liquid, although impure samples appear yellowish. The compound is a precursor to many 1,2-disubstituted derivatives of benzene. For example, it is a precursor to 1,2-dicyanobenzene[1] and dithioethers.[2]
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| Names | |
|---|---|
| Preferred IUPAC name
1,2-Dibromobenzene | |
| Other names
o-Dibromobenzene | |
| Identifiers | |
3D model (JSmol) |
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| 970241 | |
| ChEBI | |
| ChEMBL | |
| ChemSpider | |
| ECHA InfoCard | 100.008.645 |
| EC Number |
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| 130950 | |
PubChem CID |
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| UNII | |
| UN number | 2711 |
CompTox Dashboard (EPA) |
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| Properties | |
| C6H4Br2 | |
| Molar mass | 235.906 g·mol−1 |
| Appearance | colorless liquid |
| Density | 1.9940 g/cm3 |
| Melting point | 7.1 °C (44.8 °F; 280.2 K) |
| Boiling point | 225 °C (437 °F; 498 K) |
| Hazards | |
| GHS labelling: | |
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| Warning | |
| H315, H319, H335 | |
| P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |
See also
- 1,3-Dibromobenzene
- 1,4-Dibromobenzene
References
- Löbbert, Gerd (2000). "Phthalocyanines". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a20_213.
- "1,2-BIS(n-BUTYLTHIO)BENZENE". Organic Syntheses. 42: 22. 1962. doi:10.15227/orgsyn.042.0022.
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