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Beta-Bromostyrene, mixture of cis/trans isomers,Bromo-sulphate

供应商: 726577

供应产品

Other name:

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

CASNo:103-64-0

EINECSNo: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

About us:

We have a static QA&QC system and all products are in line with the USP32 standard as well as enterprise internal control standard.Our QC department will do sampling and carry out strict tests through HPLC and GC. Only when the product is passed through the strict test, they are allowed to be dispatched out. And our company has been manufacturing Beta-Bromostyrene for years with high reputation.

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.

Specifications

Item

REQUIREMENT

RESULT

Assay

≥98.5%

Description

Light Yellow Liquid

Light Yellow Liquid

Meltingpoint

7℃

7℃

Refractive Index

Specificgravity

Density

  1. 3
  2. 3



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