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U407

Sigma-Aldrich

Undecane

≥99%

Synonym(s):

n-Undecane, Hendecane

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About This Item

Linear Formula:
CH3(CH2)9CH3
CAS Number:
1120-21-4
Molecular Weight:
156.31
Beilstein:
1697099
EC Number:
214-300-6
MDL number:
MFCD00008959
UNSPSC Code:
12352100
PubChem Substance ID:
24900644
NACRES:
NA.22

vapor density

5.4 (vs air)

vapor pressure

<0.4 mmHg ( 20 °C)

Assay

≥99%

refractive index

n20/D 1.417 (lit.)

bp

196 °C (lit.)

mp

−26 °C (lit.)

density

0.74 g/mL at 25 °C (lit.)

SMILES string

CCCCCCCCCCC

InChI

1S/C11H24/c1-3-5-7-9-11-10-8-6-4-2/h3-11H2,1-2H3

InChI key

RSJKGSCJYJTIGS-UHFFFAOYSA-N

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Application

Undecane is mainly used as a model n-alkane in studies relating to viscosities, excess molar enthalpies and vapor-liquid equilibrium of binary alkane mixtures.

Pictograms

FlameHealth hazard
GHS02,GHS08

Signal Word

Danger

Hazard Statements

H226,H304

Hazard Classifications

Asp. Tox. 1 - Flam. Liq. 3

Supplementary Hazards

EUH066

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

140.0 °F - closed cup

Flash Point(C)

60 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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A general correlation of vapor?liquid equilibria in hydrocarbon mixtures.
Chao K C and Seader J D
AIChE Journal, 7(4), 598-605 (1961)
Measurements of the viscosity of n-heptane, n-nonane, and n-undecane at pressures up to 70 MPa.
Assael M J and Papadaki M
International Journal of Thermophysics, 12(5), 801-810 (1991)
Excess enthalpies of decan-1-ol+ n-pentane,+ n-hexane,+ n-heptane,+ n-octane,+ n-nonane,+ n-decane, and+ n-undecane at 298.15 K.
Kumaran M K and Benson G C
The Journal of Chemical Thermodynamics, 16(2), 175-182 (1984)
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The metabolic stability and selectivity of a series of CCR8 antagonists against binding to the hERG ion channel and cytochrome Cyp2D6 are studied by principal component analysis. It is demonstrated that an efficient way of increasing metabolic stability and selectivity
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In our continued exploration of trishomocubane derivatives with central nervous system (CNS) activity, N-arylalkyl-8-aminopentacyclo[5.4.0.0(2,6).0(3,10).0(5,9)]undecanes (10-13) displaying affinity for the sigma (σ) receptor were also found, in several cases, to interact with the dopamine transporter (DAT). Compound 12 was identified as
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