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905119

Sigma-Aldrich

all-cis-Hexafluorocylclohexane

Synonym(s):

all-cis-1,2,3,4,5,6-Hexafluorocyclohexane

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About This Item

Empirical Formula (Hill Notation):
C6H6F6
CAS Number:
1699714-60-7
Molecular Weight:
192.10
UNSPSC Code:
12352101
NACRES:
NA.22

form

solid

mp

289-290 °C

functional group

fluoro

storage temp.

2-8°C

Related Categories

Application

The incorporation of fluorine in agrochemical and pharmaceutical compounds is of high interest due to the ability to fine-tune the polarity, pKA-value, conformation and metabolic stability. Derived from a cis-selective hydrogenation developed by Glorius and co-workers, this fluorinated compound displays a diverse utility as a building block for chemical synthesis. All-cis-multifluorinated cyclohexanes are of great interest in material chemistry. All-cis-1,2,3,4,5,6-hexafluorocyclohexane, which has been referred to as “Janus-headed” molecule, is one of the most polar compounds known. Liquid crystalline materials are known applications for all-cis-multifluorinated cyclohexanes.

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Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

905119-VAR:
905119-100MG:
905119-BULK:

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Neil S Keddie et al.
Nature chemistry, 7(6), 483-488 (2015-05-21)
The highest-energy stereoisomer of 1,2,3,4,5,6-hexafluorocyclohexane, in which all of the fluorines are 'up', is prepared in a 12-step protocol. The molecule adopts a classic chair conformation with alternate C-F bonds aligned triaxially, clustering three highly electronegative fluorine atoms in close
Mario P Wiesenfeldt et al.
Science (New York, N.Y.), 357(6354), 908-912 (2017-08-12)
All-cis-multifluorinated cycloalkanes exhibit intriguing electronic properties. In particular, they display extremely high dipole moments perpendicular to the aliphatic ring, making them highly desired motifs in material science. Very few such motifs have been prepared, as their syntheses require multistep sequences

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