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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
Assay:
≥99%
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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

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

pictograms

FlameHealth hazard
GHS02,GHS08

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 Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Group 4: Flammable liquids + Type 2 petroleums + Hazardous rank III + Water insoluble liquid

fsl

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

U407-100ML:4.548173393599E12

jan

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Certificates of Analysis (COA)

Lot/Batch Number
SHBT7100
SHBS8426
SHBS7639
SHBR5338
SHBS0903

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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)
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