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2,3,4,5,6-Pentabromoethylbenzene

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2,3,4,5,6-Pentabromoethylbenzene Basic information

Product Name:
2,3,4,5,6-Pentabromoethylbenzene
Synonyms:
  • eb80
  • pentabromoethyl-benzen
  • pentabromoethylbenzene
  • pentabromoethylbenzene(peb)
  • 2 3 4 5 6-PENTABROMOETHYLBENZENE 98%
  • 1-(Pentabromophenyl)ethane
  • 1-Ethyl-2,3,4,5,6-pentabromobenzene
  • 2,3,4,5,6-Pentabromo-1-ethylbenzene
CAS:
85-22-3
MF:
C8H5Br5
MW:
500.65
EINECS:
201-593-0
Product Categories:
  • BromoGasoline, Diesel,&Petroleum
  • Alpha Sort
  • Chemical Class
  • Halogenated
  • OlefinsVolatiles/ Semivolatiles
  • P
  • PA - PEN
  • P-SAlphabetic
  • Substance classes
Mol File:
85-22-3.mol
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2,3,4,5,6-Pentabromoethylbenzene Chemical Properties

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)
color 
White to Off-White
BRN 
3133073
CAS DataBase Reference
85-22-3
EPA Substance Registry System
Pentabromoethylbenzene (85-22-3)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26
WGK Germany 
2
RTECS 
DA6639000
Toxicity
LD50 skn-rbt: >8 g/kg TSCAT* OTS0515763
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2,3,4,5,6-Pentabromoethylbenzene Usage And Synthesis

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.

Uses

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.

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