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369071

Sigma-Aldrich

2-Bromo-4,5-difluorophenol

99%

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About This Item

Linear Formula:
BrC6H2(F)2OH
CAS Number:
166281-37-4
Molecular Weight:
208.99
MDL number:
MFCD00070751
UNSPSC Code:
12352100
PubChem Substance ID:
24862789
NACRES:
NA.22

Quality Level

100

Assay

99%

form

liquid

refractive index

n20/D 1.531 (lit.)

density

1.829 g/mL at 25 °C (lit.)

functional group

bromo
fluoro

SMILES string

Oc1cc(F)c(F)cc1Br

InChI

1S/C6H3BrF2O/c7-3-1-4(8)5(9)2-6(3)10/h1-2,10H

InChI key

FCYZOOHWUOEAOX-UHFFFAOYSA-N

Related Categories

General description

2-Bromo-4,5-difluorophenol is reported to undergo palladium-catalyzed cyclotrimerization to yield hexafluoro- and trimethoxytriphenylene derivatives.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

177.8 °F - closed cup

Flash Point(C)

81 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCX0032
MKBS0766V
MKBR0364V
MKAA1813
MKAA1831

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Yi-Lin Liu et al.
The Journal of organic chemistry, 74(8), 3199-3202 (2009-03-20)
Palladium-catalyzed cocyclotrimerization of allenes with arynes has been developed for selectively synthesizing phenanthrenes. In the presence of [(allyl)PdCl](2) and P(o-tol)(3), a variety of allenes, including internal and terminal allenes, underwent the cocyclotrimerization with arynes to afford the corresponding phenanthrenes in
Efficient Palladium-Catalyzed Cyclotrimeriza-tion of Arynes: Synthesis of Triphenylenes
PenAa D, et al.
Angewandte Chemie (International Edition in English), 37 (1998)

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