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9-Bromoanthracene

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9-Bromoanthracene Basic information

Product Name:
9-Bromoanthracene
Synonyms:
  • 9-Anthracenyl bromide
  • Anthracene, 9-bromo-
  • 9-Anthracyl bromide
  • 50KG/100KG(CIF INDIA COURIER/AIR)
  • RARECHEM AQ BD AN02
  • MS-BROMOANTHRACENE
  • TIMTEC-BB SBB007978
  • 9-BROMOANTHRACENE
CAS:
1564-64-3
MF:
C14H9Br
MW:
257.13
EINECS:
216-359-3
Product Categories:
  • blocks
  • Bromides
  • Aryl
  • C13 to C37+
  • Halogenated Hydrocarbons
  • OLED materrials
  • Aromatic Compounds
  • Aromatic Halides (substituted)
  • Anthracenes
  • Anthracene series
Mol File:
1564-64-3.mol
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9-Bromoanthracene Chemical Properties

Melting point:
97-100 °C (lit.)
Boiling point:
303.85°C (rough estimate)
Density 
1.4251 (rough estimate)
refractive index 
1.6404 (estimate)
storage temp. 
Sealed in dry,Room Temperature
solubility 
Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)
form 
Powder
color 
Yellow
Water Solubility 
Insoluble in water.
BRN 
1869747
InChIKey
ZIRVQSRSPDUEOJ-UHFFFAOYSA-N
CAS DataBase Reference
1564-64-3(CAS DataBase Reference)
NIST Chemistry Reference
9-Bromoanthracene(1564-64-3)
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Safety Information

Hazard Codes 
Xi
Safety Statements 
22-24/25
WGK Germany 
3
Hazard Note 
Irritant
HS Code 
29049090

MSDS

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9-Bromoanthracene Usage And Synthesis

Description

9-bromoanthracene is a kind of bromine-derived anthracene. It is known to be able to reversibly photodimerize in a head-to tail fashion upon irradiation by long-wavelength ultraviolet light. The photodimers of 9-bromoanthracene are suitable to be used as alkyl halide initiators in the atom transfer radical polymerization (ATRP) reactions. It is also used as the intermediate for the preparation of the 9-substitued form of the polycyclic aromatic hydrocarbon (PAH) anthracene.

Chemical Properties

white to light yellow crystal powder. boiling point 190°C (0.16kPa, sublimation), relative density 1.409. soluble in acetic acid; carbon disulfide.

Uses

9-Bromoanthracene acts as an intermediate in the preparation of 9-substituted derivative of the polycyclic aromatic hydrocarbon (PAH) anthracene.

Preparation

Anthracene (5 g, 28.05 mmol) was dissolved in CHCl3. Then N-bromosuccinimide (NBS,4.99 g, 28.05 mmol) was added in batches away from light, and the reaction solution was continuously stirred for 12 h. The resulting mixture was stirred for another 30 min with appropriate water, and extracted with CH2Cl2. The CH2Cl2 solution was dried over anhydrous MgSO4. After removing CH2Cl2 solvent, the residue was recrystallized from anhydrous ethanol to give 4.78 g (66.3 %) of a green-yellow needle solid. 1H NMR (500 MHz, CDCl3) δ 8.55 (d, J = 8.9 Hz, 2H), 8.48 (s, 1H), 8.03 (d, J = 8.4 Hz, 2H), 7.67 – 7.60 (m, 2H), 7.56 – 7.51 (m, 2H). EI-MS (m/z): Calculated for C14H9Br: 257.13. Found [M+ ]: 255.96.

Synthesis of 9-bromoanthracene

Synthesis Reference(s)

The Journal of Organic Chemistry, 57, p. 2740, 1992 DOI: 10.1021/jo00035a038

Purification Methods

Crystallise 9-bromoanthracene from MeOH or EtOH followed by sublimation in vacuo. [Masnori et al. J Am Chem Soc 108 126 1986, Beilstein 5 IV 2295.]

References

Cohen, Nicole A., et al. Macromolecular Chemistry and Physics 210.3 ‐4 (2009): 263-268.
Xu, Xiaoming, Wenzhe Lu, and Richard B. Cole. Analytical chemistry 68.23 (1996): 4244-4253.
Dang, Hung, and Miguel A. Garcia-Garibay. Journal of the American Chemical Society 123.2 (2001): 355-356.

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