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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 Segment

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

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