2,3,4,5,6-Pentabromoethylbenzene
- CAS NO.：85-22-3
- Empirical Formula: C8H5Br5
- Molecular Weight: 500.65
- MDL number: MFCD00000061
- EINECS: 201-593-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-10 10:27:01
What is 2,3,4,5,6-Pentabromoethylbenzene?
Chemical properties
2,3,4,5,6-Pentabromoethylbenzene is a solid of high bromine content (80 wt %) with a melting point of 136-138°C and a decomposition temperature of ca 210°C. The compound is prepared by the Friedel-Crafts-catalyzed bromination of ethyl benzene in an inert solvent. Its manufacturers recommends its use in epoxy resins, ABS and urethane foams.
The Uses of 2,3,4,5,6-Pentabromoethylbenzene
Pentabromoethylbenzene is a flame retardant and a standard for environmental testing and research.
Air & Water Reactions
Insoluble in water.
Reactivity Profile
Simple aromatic halogenated organic compounds, such as 2,3,4,5,6-PENTABROMOETHYLBENZENE, are very unreactive. Reactivity generally decreases with increased degree of substitution of halogen for hydrogen atoms. Materials in this group may be incompatible with strong oxidizing and reducing agents. Also, they may be incompatible with many amines, nitrides, azo/diazo compounds, alkali metals, and epoxides.
Health Hazard
ACUTE/CHRONIC HAZARDS: Toxic. Irritant.
Fire Hazard
Flash point data for 2,3,4,5,6-PENTABROMOETHYLBENZENE are not available; 2,3,4,5,6-PENTABROMOETHYLBENZENE is probably combustible.
Safety Profile
Low toxicity by skin contact. When heated to decomposition it emits toxic vapors of Brí.
Properties of 2,3,4,5,6-Pentabromoethylbenzene
| Melting point: | 138 °C |
| Boiling point: | 367.74°C (rough estimate) |
| Density | 2.8012 (rough estimate) |
| refractive index | 1.7040 (estimate) |
| storage temp. | Refrigerator, under inert atmosphere |
| solubility | Chloroform (Slightly), Methanol (Slightly, heated) |
| form | neat |
| color | White to Off-White |
| BRN | 3133073 |
| CAS DataBase Reference | 85-22-3 |
| EPA Substance Registry System | Pentabromoethylbenzene (85-22-3) |
Safety information for 2,3,4,5,6-Pentabromoethylbenzene
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 2,3,4,5,6-Pentabromoethylbenzene
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