Chemistry:1,4-Dibromobenzene
From HandWiki
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| Names | |
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| Preferred IUPAC name
1,4-Dibromobenzene | |
| Other names
p-Dibromobenzene
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| Identifiers | |
3D model (JSmol)
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| Properties | |
| C6H4Br2 | |
| Molar mass | 235.906 g·mol−1 |
| Appearance | White solid |
| Density | 1.84 g/cm3 [1] |
| Melting point | 87 °C (189 °F; 360 K)[3] |
| Boiling point | 220.4 °C (428.7 °F; 493.5 K)[3] |
| Practically insoluble[2] | |
| Solubility in other solvents | Soluble in 70 parts ethanol[2] Soluble in benzene, chloroform and very soluble in diethyl ether[2] |
| -101.4·10−6 cm3/mol | |
| Hazards | |
| GHS pictograms |  
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| GHS Signal word | Warning |
| H315, H319, H335, H400, H411 | |
| P261, P264, P271, P273, P280, P302+352, P304+340, P305+351+338, P312, P321, P332+313, P337+313, P362, P391, P403+233, P405, P501 | |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
 verify (what is   ?)
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| Infobox references | |
Tracking categories (test):
1,4-Dibromobenzene (p-dibromobenzene) is an isomer of dibromobenzene that is solid at room temperature. It has a strong smell similar to that of the lighter chlorine analogue. It can be used as a precursor to the dye 6,6-Dibromoindigo.[4]
See also
- 1,2-Dibromobenzene
- 1,3-Dibromobenzene
- 1-Bromo-4-iodobenzene
References
- ↑ "Safety data for 1,4-dibromobenzene". http://msds.chem.ox.ac.uk/DI/1,4-dibromobenzene.html.
- ↑ 2.0 2.1 2.2 Merck Index (14th ed.). Whitehouse Station, NJ: Merck & Co Inc.. 2006. p. 3024.
- ↑ 3.0 3.1 "1,4-Dibromobenzene LS026". http://www.freewtc.com/products/1-4-dibromobenzene-332549-44180.htm.
- ↑ Wolk, Joel; Frimer, Aryeh (29 Nov 2020). "A Simple, Safe and Efficient Synthesis of Tyrian Purple (6,6-Dibromoindigo)". Molecules 15 (8): 5561–5580. doi:10.3390/molecules15085561. PMID 20714313.
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