1,4-Dibromobenzene

1,4-Dibromobenzene
Names
	Preferred IUPAC name 1,4-Dibromobenzene
	Other names p-Dibromobenzene
Identifiers
CAS Number	106-37-6 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:37150 ;
ChEMBL	ChEMBL195407 ;
ChemSpider	13868640 ;
ECHA InfoCard	100.003.083
EC Number	203-390-2;
PubChem CID	7804;
UNII	9991W3M5HZ ;
CompTox Dashboard (EPA)	DTXSID4024012 ;
	InChI InChI=1S/C6H4Br2/c7-5-1-2-6(8)4-3-5/h1-4H Key: SWJPEBQEEAHIGZ-UHFFFAOYSA-N ; InChI=1/C6H4Br2/c7-5-1-2-6(8)4-3-5/h1-4H Key: SWJPEBQEEAHIGZ-UHFFFAOYAE;
	SMILES Brc1ccc(Br)cc1;
Properties
Chemical formula	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)[2]
Boiling point	220.4 °C (428.7 °F; 493.5 K)[2]
Solubility in water	Practically insoluble[3]
Solubility in other solvents	Soluble in 70 parts ethanol[3]; Soluble in benzene, chloroform and very soluble in diethyl ether[3]
Magnetic susceptibility (χ)	-101.4·10−6 cm3/mol
Hazards
GHS pictograms
GHS Signal word	Warning
GHS hazard statements	H315, H319, H335, H400, H411
GHS precautionary statements	P261, P264, P271, P273, P280, P302+352, P304+340, P305+351+338, P312, P321, P332+313, P337+313, P362, P391, P403+233, P405, P501
	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

1,4-Dibromobenzene (p-dibromobenzene) is an organic compound that is solid at room temperature. This compound has two bromine atoms (bromo substituents) off the central benzene ring. 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]

Related compounds

1,2-Dibromobenzene
1,3-Dibromobenzene

References

"Safety data for 1,4-dibromobenzene". Retrieved 23 November 2011.
"1,4-Dibromobenzene LS026". Archived from the original on 2011-07-11. Retrieved 23 November 2011.
Merck Index (14th ed.). Whitehouse Station, NJ: Merck & Co Inc. 2006. p. 3024.
Wolk, Joel; Frimer, Aryeh (29 Nov 2020). "A Simple, Safe and Efficient Synthesis of Tyrian Purple (6,6-Dibromoindigo)". Molecules. doi:10.3390/molecules15085561 – via PubMed Central.

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[MSDS-1] "Safety data for 1,4-dibromobenzene". Retrieved 23 November 2011.

[freewtc-2] "1,4-Dibromobenzene LS026". Archived from the original on 2011-07-11. Retrieved 23 November 2011.

[MI-3] Merck Index (14th ed.). Whitehouse Station, NJ: Merck & Co Inc. 2006. p. 3024.

[4] Wolk, Joel; Frimer, Aryeh (29 Nov 2020). "A Simple, Safe and Efficient Synthesis of Tyrian Purple (6,6-Dibromoindigo)". Molecules. doi:10.3390/molecules15085561 – via PubMed Central.