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H8706

Sigma-Aldrich

Hexafluorobenzene

99%

Synonym(s):

Perfluorobenzene

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About This Item

Empirical Formula (Hill Notation):
C6F6
CAS Number:
392-56-3
Molecular Weight:
186.05
Beilstein:
1683438
EC Number:
206-876-2
MDL number:
MFCD00000288
UNSPSC Code:
12352100
PubChem Substance ID:
24895528
NACRES:
NA.22
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Quality Level

100

Assay

99%

form

liquid

refractive index

n20/D 1.377 (lit.)

bp

80-82 °C (lit.)

mp

3.7-4.1 °C (lit.)

density

1.612 g/mL at 25 °C (lit.)

SMILES string

Fc1c(F)c(F)c(F)c(F)c1F

InChI

1S/C6F6/c7-1-2(8)4(10)6(12)5(11)3(1)9

InChI key

ZQBFAOFFOQMSGJ-UHFFFAOYSA-N

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Application

Hexafluorobenzene can react with:
  • Ethyl magnesium bromide in the presence of transition metal halides to form the corresponding perfluoroarylmagnesium compound that can undergo Grignard reactions.[1]
  • The sodium salt of the appropriate phenol in 1,3-dimethyl-2-imidazolidinone (DMEU) to form the corresponding hexakis(aryloxy)benzenes.[2]

It can be used:
  • As a ligand to synthesize novel ruthenium(0) and osmium(0) hexafluorobenzene complexes.[3]
  • As a solvent and promoter for the ring-closing metathesis (RCM) to form tetrasubstituted olefins in the presence of a ruthenium-based catalyst.[4]

Pictograms

Flame
GHS02

Signal Word

Danger

Hazard Statements

H225

Hazard Classifications

Flam. Liq. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

50.0 °F - closed cup

Flash Point(C)

10 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCX2423
STBL3349
STBL4193
MKCV0778
STBL2009

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A new synthesis of perfluoroaromatic Grignard reagents.
Respess W L, et al.
Journal of Organometallic Chemistry, 18(2), 263-274 (1969)
A hexafluorobenzene promoted ring-closing metathesis to form tetrasubstituted olefins.
Rost D, et al.
Tetrahedron Letters, 49(41), 5968-5971 (2008)
M Albertí et al.
The journal of physical chemistry. A, 116(12), 3094-3102 (2012-03-02)
The size-specific influence of alkali metal ions in the gradual transition from cluster rearrangement to solvation dynamics is investigated by means of molecular dynamics simulations for alkali metal cation-hexafluorobenzene systems, M(+)-C(6)F(6) (M = Na, K, Rb and Cs), surrounded by
Rajesh K Raju et al.
Physical chemistry chemical physics : PCCP, 12(28), 7959-7967 (2010-06-03)
The effect of benzene fluorination on C-H...pi interactions is studied using a number of computational methods applied to a range of intermolecular complexes. High level wavefunction methods (CCSD(T)) predict a slightly greater interaction energy for complexes of benzene with methane
Judy I Wu et al.
The journal of physical chemistry. A, 113(24), 6789-6794 (2009-05-29)
Despite having six highly electronegative F's, perfluorobenzene C(6)F(6) is as aromatic as benzene. Ab initio block-localized wave function (BLW) computations reveal that both C(6)F(6) and benzene have essentially the same extra cyclic resonance energies (ECREs). Localized molecular orbital (LMO)-nucleus-independent chemical
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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

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    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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