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429082

Sigma-Aldrich

Hexamethylbenzene

purified by sublimation, ≥99%

Synonym(s):

1,2,3,4,5,6-Hexamethylbenzene

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About This Item

Linear Formula:
C6(CH3)6
CAS Number:
87-85-4
Molecular Weight:
162.27
Beilstein/REAXYS Number:
1905834
EC Number:
201-777-0
MDL number:
MFCD00008523
UNSPSC Code:
12352100
PubChem Substance ID:
24866836
NACRES:
NA.22

assay

≥99%

purified by

sublimation

bp

264 °C (lit.)

mp

164-166 °C (lit.)

SMILES string

Cc1c(C)c(C)c(C)c(C)c1C

InChI

1S/C12H18/c1-7-8(2)10(4)12(6)11(5)9(7)3/h1-6H3

InChI key

YUWFEBAXEOLKSG-UHFFFAOYSA-N

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General description

Hexamethylbenzene (HMB) is a methyl benzene derivative. Its overtone spectra in carbon tetrachloride solution shows doublet structure due to two types of configurationally inequivalent hydrogens. The heat of solution of crystalline HMB has been obtained at 25°C from which the heat of fusion has been deduced by extrapolation process. The internal motion of the methyl groups has been explained by empirical force field calculations. Polarized Raman spectra of HMB at room temperature have been analyzed.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
0000202248
0000181216
MKCC1284
MKBS4084V
MKBF8742V

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The Heats of Solution of Hexamethylbenzene, Cetyl Alcohol, and Dicetyl in Related Liquids; Heats of Fusion by an Extrapolation Process.
Parks GS and Rowe RD.
J. Chem. Phys. , 14(9), 507-510 (1946)
On the gearing of methyl groups in hexamethylbenzene.
Iroff LD.
Journal of Computational Chemistry, 1(1), 76-80 (1980)
Detailed features in the local mode overtone bands of ethane, neopentane, tetramethylbutane, and hexamethylbenzene.
Henry BR and Greenlay WRA.
J. Chem. Phys. , 72(10), 5516-5524 (1980)
The Raman spectrum of hexamethylbenzene single crystal.
Girlando A and Pecile C.
Chemical Physics Letters, 20(5), 467-470 (1973)
P D Gorycki et al.
Chemical research in toxicology, 7(6), 745-751 (1994-11-01)
Hexamethyl(Dewar benzene) (HMDB) was selected to probe the intermediacy of an alkene radical cation during cytochrome P450 (P450) catalyzed epoxidation. P450 catalyzed the allylic oxidation of HMDB exclusively; no rearranged products (indicative of a radical cation intermediate) nor epoxide was
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