Substance profile
Bromobenzene
Bromobenzene is a mobile liquid with an aromatic odor.
01 · Identification
What Bromobenzene is
Bromobenzene is a mobile liquid with an aromatic odor. Its molecular formula is C6H5Br and its molecular weight is 157.01 g/mol. It boils at 156 °C, melts at -30.6 °C, is miscible with water.
Under the GHS it carries the signal word Warning. It is classed as flammable agents - 2nd degree.
02 · GHS classification
Hazards and label elements
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
| Code | Hazard statement |
|---|---|
| H226 | Flammable liquid and vapour. |
| H315 | Causes skin irritation. |
| H411 | Toxic to aquatic life with long lasting effects. |
Precautionary statements: P210, P233, P241, P242, P264, P273, P280, P302, P313, P332, P352, P391, P403, P501
03 · Physical and chemical properties
Bromobenzene properties
Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.
| Property | Value | Conditions | Source |
|---|---|---|---|
| Boiling point | 156.2 °C (313.2 °F) | at 760 mmHg | HSDB |
| 156.11 °C (313 °F) | at 760 mmHg | CAMEO | |
| 156.2 °C (313.2 °F) | ICSC | ||
| Melting point | -30.6 °C (-23.1 °F) | SOLIDIFIES | HSDB |
| -31.11 °C (-24 °F) | CAMEO | ||
| -30.7 °C (-23.3 °F) | ICSC | ||
| Density | 1.5 g/cm³ | ICSC | |
| 1.495 g/cm³ | at 20 °C | DOE PAC | |
| 1.49 g/cm³ | at 25 °C | CAMEO | |
| Solubility | SOL IN CARBON TETRACHLORIDE | HSDB | |
| Miscible with most organic solvents; insoluble in water | HSDB | ||
| Vapor pressure | 4.18 mmHg | at 25 °C | HSDB |
| 4.1253 mmHg | at 25 °C | ICSC | |
| 5 mmHg | at 27.78 °C | CAMEO | |
| Flash point | 51 °C (123.8 °F) | HSDB | |
| Autoignition temperature | 565 °C (1049 °F) | HSDB | |
| 566 °C (1050.8 °F) | ICSC | ||
| Lower explosive limit (LEL) | 6 % by volume | ICSC | |
| Upper explosive limit (UEL) | 36.5 % by volume | ICSC | |
| Vapor density | 5.41 (air = 1) | HSDB | |
| Critical temperature and pressure | 397 °C (746.6 °F) | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Source notes
Further notes on Bromobenzene
These are descriptions rather than measured values, so they are kept out of the table above and quoted here with the source that reported them.
Solubility
MISCIBLE WITH CHLOROFORM, BENZENE, PETROLEUM HYDROCARBONS; SOL IN ALCOHOL (10.4 G/100 G @ 25 °C), IN ETHER (71.3 G/100 G @ 25 °C); PRACTICALLY INOL IN WATER (0.045 G/100 G @ 30 °C)
Source: HSDB
05 · Handling and storage
Storing and handling Bromobenzene
Incompatible materials
DANGEROUS...CAN REACT WITH OXIDIZING MATERIALS.
Source: Hazardous Substances Data Bank (HSDB)
Reactivity
BROMOBENZENE may be sensitive to light. May react with oxidizing agents (NTP, 1992).
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check Bromobenzene in the storage compatibility matrix →