4-Bromo-2,6-di-tert-butylphenol Property

Melting point:

78-83 °C (dec.)(lit.)

Boiling point:

128 °C / 4mmHg

Density 

1.2457 (rough estimate)

refractive index 

1.5130 (estimate)

storage temp. 

Inert atmosphere,Room Temperature

solubility 

soluble in Methanol

form 

powder to crystal

pka

11.23±0.40(Predicted)

color 

White to Orange to Green

BRN 

2051052

CAS DataBase Reference

1139-52-2(CAS DataBase Reference)

Safety

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-36-37/39

WGK Germany 

3

Hazard Note 

Irritant

HS Code 

29081990

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

4-Bromo-2,6-di-tert-butylphenol Chemical Properties,Usage,Production

Chemical Properties

yellow to brown crystals

Uses

4-Bromo-2,6-di-tert-butylphenol may be used in the following studies:

• As a terminating comonomer phenol in the phase transfer catalyzed (PTC) polymerization of 4-bromo-2,6-dimethylphenol.
• Synthesis of 1,1-[1,10-decanediylbis(oxy)]bis[(2,6-ditertbutyl-4-bromo)benzene], a monomer, which forms poly(p-phenylenevinylene) derivatives by reaction with 1,10-dibromodecane.
• As a reactant in the synthesis of 2,6-di-tert-butyl-phenolnorbornene (N_ArOH), a norbornene comonomer bearing an antioxidant hindered phenol.
• As a catalyst with methyl aluminium to form methylaluminum bis(4-bromo-2,6-di-tert-butylphenoxide) (MABR) which may be utilized for the transformation of various epoxides to carbonyl compounds.

General Description

4-Bromo-2,6-di-tert-butylphenol is a 4-substituted-2,6-di-tert-butylphenol. It is synthesized by the bromination of 2,6-di-tert-butylphenol. The structure was confirmed by ¹H NMR. Its photolysis reaction in benzene solution has been investigated. The photochemical reaction of 4-bromo-2,6-di-tert-butylphenol single crystals doped with 2,6-di-tert-butyl-p-quinone has been studied by EPR spectroscopy.