B

Bromobenzene

IUPAC: bromobenzene

C6H5Br Organic Compounds CAS 108-86-1
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Quick Reference
Formula / NotationC6H5Br
CAS Number108-86-1
Molecular Weight157.01
Melting Point-24 °F (NTP, 1992)
Boiling Point313 °F at 760 mmHg (NTP, 1992)
Density1.49 at 77 °F (USCG, 1999) - Denser than water; will sink
Solubilityless than 1 mg/mL at 68.9 °F (NTP, 1992)
AppearanceMobile clear colorless liquid with a pungent odor. Flash point 124 °F. Denser than water and insoluble in water. Hence sinks in water. Vapors are heavier than air. A skin irritant.
Also Known As108-86-1; Monobromobenzene; Phenyl bromide; Benzene, bromo-; C6H5Br; PhBr; NCI-C55492; BROMO-BENZENE; DTXSID5024637; CO4D5J547L
CategoryOrganic Compounds

What is Bromobenzene?

Bromobenzene is the simplest member of the class of bromobenzenes, that is benzene in which a single hydrogen has been substituted by a bromine. A liquid at room temperature (m.p. 30C; b.p.760 156C), it is used as a solvent, particularly for large-scale crystallisations, and for the introduction of phenyl groups in organic synthesis. It has a role as a non-polar solvent, a hepatotoxic agent and a mouse metabolite. It is a volatile organic compound, a bromoarene and a member of bromobenzenes.

Formula & Notation

C6H5Br

IUPAC Name: bromobenzene

Other Names / Synonyms: 108-86-1; Monobromobenzene; Phenyl bromide; Benzene, bromo-; C6H5Br; PhBr; NCI-C55492; BROMO-BENZENE; DTXSID5024637; CO4D5J547L

Properties & Characteristics

Appearance: Mobile clear colorless liquid with a pungent odor. Flash point 124 °F. Denser than water and insoluble in water. Hence sinks in water. Vapors are heavier than air. A skin irritant.. Molecular formula: C6H5Br. Molecular weight: 157.01 g/mol. Boiling point: 313 °F at 760 mmHg (NTP, 1992). Melting point: -24 °F (NTP, 1992). Density: 1.49 at 77 °F (USCG, 1999) - Denser than water; will sink. Solubility: less than 1 mg/mL at 68.9 °F (NTP, 1992). Vapor pressure: 5 mmHg at 82 °F ; 10 mmHg at 104 °F; 20 mmHg at 128.8 °F (NTP, 1992). LogP: 3.

Physical Data

PropertyValue
Melting Point-24 °F (NTP, 1992)
Boiling Point313 °F at 760 mmHg (NTP, 1992)
Density1.49 at 77 °F (USCG, 1999) - Denser than water; will sink
Molecular Weight157.01
Solubilityless than 1 mg/mL at 68.9 °F (NTP, 1992)
AppearanceMobile clear colorless liquid with a pungent odor. Flash point 124 °F. Denser than water and insoluble in water. Hence sinks in water. Vapors are heavier than air. A skin irritant.

Uses & Applications

Used as an industrial feedstock, solvent, pharmaceutical intermediate, flavoring agent, or chemical building block.

Safety Information

Flammable or irritant. Many organic compounds are flammable liquids or vapours. Keep away from ignition sources. Consult SDS for specific hazard data.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Bromobenzene
Formula C6H5Br
CAS Number 108-86-1
Molecular Weight 157.01
Synonyms 108-86-1; Monobromobenzene; Phenyl bromide; Benzene, bromo-; C6H5Br; PhBr; NCI-C55492; BROMO-BENZENE; DTXSID5024637; CO4D5J547L

Frequently Asked Questions

Bromobenzene is the simplest member of the class of bromobenzenes, that is benzene in which a single hydrogen has been substituted by a bromine. A liquid at room temperature (m.p. 30C; b.p.760 156C), it is used as a solvent, particularly for large-scale crystallisations, and for the introduction of phenyl groups in organic synthesis. It has a role as a non-polar solvent, a hepatotoxic agent and a mouse metabolite. It is a volatile organic compound, a bromoarene and a member of bromobenzenes.

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.