Beta-Bromostyrene

Other name：

beta-bromostyrene(cis+trans);Bromostyrenecistrans;Bromostyrol; Bromostyrene;2-Bromovinylbenzene;b-bromostyrene;beta-Bromostyrene,mixture of cis- and trans isomers; Bromstyrol; ; (2-bromoethenyl)benzene; [(E)-2-bromoethenyl]benzene

CAS No：103-64-0

EINECS No：203-131-3

Formula：C8H7Br

Molar volume:183.0452(m3/mol）

Density:1.44g/cm3

Melting point:7℃ (lit.)

Flash Point(C) :102 °C

Appearance: Light Yellow Liquid

Fragrance: Unique Scent

Purity: 98%min

Boiling Point: 219-220 Degree C

Refractive Index (20 Degree C ): 1.604-1.608

Specific Gravity (20 Degree C ): 1.422-1.426

Packing: 200kg/plastic Drum

Usage: Thick aroma of thick thorns and powerful astringent, sweet cream with fragrant leaves diluted with hyacinth and aroma, the aroma does not stay long. A representative product of a halogenated hydrocarbon perfume, which is not naturally present, is artificially synthesized. Also used lilac, narcissus, daffodil, sunflower, sweet curry, Hong Wei and other flavor in the.The fragrance of this product is not the top grade, so the high-grade flavor is not used, but because of its moderate price, it is often used as a soap flavor.

Application:

β-Bromostyrene was used in the one-pot method for the preparation of cinnamonitriles.It was also used in the preparation of pure ethyl Z- and E-α,α-difluoro-4-phenyl-3-butenoate and 1,3-diphenyl-1-butene. It may be used in the synthesis of β-tert-butylstyrene via cross coupling reaction with tert-butylmagnesium chloride in the presence of dichloro[1,1′-bis(diphenylphosphino)ferrocene]nickel(II) catalyst.It may also be used to prepare γ-but-2-enolactone by reacting with nickel carbonyl in the presence of alkynes.