3,6-Dibromocarbazole Chemical Properties

Melting point:

204-206 °C (lit.)

Boiling point:

459.0±25.0 °C(Predicted)

Density 

1.930±0.06 g/cm3(Predicted)

storage temp. 

Inert atmosphere,Room Temperature

solubility 

Soluble in benzene, chloroform

pka

15.47±0.30(Predicted)

form 

Crystalline Powder

color 

Tan

Stability:

Stable. Combustible. Incompatible with strong oxidizing agents.

InChI

InChI=1S/C12H7Br2N/c13-7-1-3-11-9(5-7)10-6-8(14)2-4-12(10)15-11/h1-6,15H

InChIKey

FIHILUSWISKVSR-UHFFFAOYSA-N

SMILES

N1C2=C(C=C(Br)C=C2)C2=C1C=CC(Br)=C2

CAS DataBase Reference

6825-20-3(CAS DataBase Reference)

Safety Information

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-37/39

WGK Germany 

3

HS Code 

29339900

MSDS

• Language:English Provider:SigmaAldrich

3,6-Dibromocarbazole Usage And Synthesis

Chemical Properties

tan to light green powder

Uses

3,6-Dibromocarbazole is used as a pharmaceutical intermediate and also an essential intermediate for synthesizing optoelectronic materials. It is the essential intermediate of synthesis of N-alkylation bromo carbazole compounds and is used to prepare N-(2-hydroxyethyl)-3,6-dibromocarbazole. The synthetic method at present has a potassium Bromide and potassium bromate hybrid system, the chloranil dehydriding of diazonium salt method, the sulfonation method, the BNS method, and the bromine bromination method.

General Description

Lithiation of 3,6-dibromocarbazole with n-butyllithium has been studied.

Synthesis

3, 6-dibromocarbazole is synthesized with three methods, such as N-bromosuccinimide method, liquid bromine method and silica gel method. But now main method for synthesis is silica gel method. The main raw materials used in the synthesis include carbazole, N-bromosuccinimide, solvent methylene chloride, catalyst silica gel, and the yield could reach 89.5%.

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