U407
Undecane
≥99%
Synonym(s):
n-Undecane, Hendecane
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About This Item
Linear Formula:
CH3(CH2)9CH3
CAS Number:
Molecular Weight:
156.31
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
214-300-6
Beilstein/REAXYS Number:
1697099
MDL number:
Assay:
≥99%
vapor density
5.4 (vs air)
Quality Level
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
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.
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signalword
Danger
hcodes
Hazard Classifications
Asp. Tox. 1 - Flam. Liq. 3
supp_hazards
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
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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)
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)