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Merck
CN

U407

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
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24900644
EC Number:
214-300-6
Beilstein/REAXYS Number:
1697099
MDL number:
MFCD00008959

Key Documents

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Product Name

Undecane, ≥99%

InChI key

RSJKGSCJYJTIGS-UHFFFAOYSA-N

InChI

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

SMILES string

CCCCCCCCCCC

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.)

Quality Level

100

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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

signalword

Danger

hcodes

H226,H304

Hazard Classifications

Asp. Tox. 1 - Flam. Liq. 3

supp_hazards

EUH066

Storage Class

3 - Flammable liquids

wgk

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

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
SHBS8426
SHBS7639
SHBR5338
SHBS0903
SHBR1019

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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)
Kye-Simeon Masters et al.
The Journal of organic chemistry, 73(20), 8081-8084 (2008-09-19)
In a study directed at developing a concise approach to the polycyclic core of frondosin D, a Stille-Heck sequence has been identified that gives direct access to the trimethylbicyclo[5.4.0]undecane ring system common to all frondosins.
Bahareh Honarparvar et al.
ChemMedChem, 7(6), 1009-1019 (2012-05-01)
Novel compounds incorporating a pentacycloundecane (PCU) diol moiety were designed, synthesized, and evaluated as inhibitors of the wild-type C-South African (C-SA) HIV-1 protease. Seven compounds are reported herein, three of which displayed IC(50) values in the 0.5-0.6 μM range. The
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