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U407

Sigma-Aldrich

Undecane

≥99%

Synonym(s):

n-Undecane, Hendecane

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$48.26
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$70.30

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25 ML
$48.26
100 ML
$70.30

About This Item

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

$48.26

List Price$50.80

In StockDetails

Request a Bulk Order

vapor density

5.4 (vs air)

Quality Level

100

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[1], excess molar enthalpies[2] and vapor-liquid equilibrium of binary alkane mixtures.[3]

pictograms

FlameHealth hazard
GHS02,GHS08

signalword

Danger

hcodes

H226,H304

Hazard Classifications

Asp. Tox. 1 - Flam. Liq. 3

supp_hazards

EUH066

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

140.0 °F - closed cup

flash_point_c

60 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
SHBR5338
SHBS0903
SHBR1019
SHBQ6136
SHBQ8014

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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)
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)
A general correlation of vapor?liquid equilibria in hydrocarbon mixtures.
Chao K C and Seader J D
AIChE Journal, 7(4), 598-605 (1961)
Samuel D Banister et al.
Bioorganic & medicinal chemistry letters, 21(1), 38-41 (2010-12-15)
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
Subodh P Jagtap et al.
Journal of the American Chemical Society, 134(16), 7176-7185 (2012-03-30)
In this work, a bicyclo[4.4.1]undecane scaffold is used to hold oligo(phenylene ethynylene) units in a cofacially stacked arrangement along the entire length of the conjugated units. We study the impact that the resulting strong interchain interactions have on the photophysical
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Questions

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  1. 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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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    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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