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Merck

43942

Docosane

analytical standard

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About This Item

Linear Formula:
CH3(CH2)20CH3
CAS Number:
629-97-0
Molecular Weight:
310.60
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329756431
EC Number:
211-121-5
Beilstein/REAXYS Number:
1702206
MDL number:
MFCD00009348

Key Documents

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Product Name

Docosane, analytical standard

InChI key

HOWGUJZVBDQJKV-UHFFFAOYSA-N

InChI

1S/C22H46/c1-3-5-7-9-11-13-15-17-19-21-22-20-18-16-14-12-10-8-6-4-2/h3-22H2,1-2H3

SMILES string

CCCCCCCCCCCCCCCCCCCCCC

grade

analytical standard

vapor density

10.8 (vs air)

vapor pressure

<1 mmHg ( 21.1 °C)

assay

≥99.5% (GC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

bp

369 °C (lit.)

mp

42-45 °C (lit.)
43-46 °C

density

0.778 g/mL at 25 °C (lit.)

application(s)

petroleum

format

neat

Quality Level

100

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Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

General description

Docosane can find applications as a phase change material, known as latent heat storage media, which can help in storage and conversion of solar energy.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCM2696
BCCK7623
BCCG2116
BCCF6167
BCBZ7238

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Simultaneous enhancement of latent heat and thermal conductivity of docosane-based phase change material in the presence of spongy graphene
Li.F.J, et al.
Solar Energy Materials and Solar Cells, 128, 48-51 (2014)
H Kraack et al.
The Journal of chemical physics, 121(16), 8003-8009 (2004-10-16)
The temperature dependent phase behavior of Langmuir films of n-alkanes [CH3(CH2)(n-2)CH3, denote Cn] on mercury was studied for chain lengths 19< or =n< or =22 and temperatures 15< or =T< or =44 degrees C, using surface tensiometry and surface x-ray
Auke J Kronemeijer et al.
Small (Weinheim an der Bergstrasse, Germany), 7(11), 1593-1598 (2011-05-04)
Charge transport through alkanes and para-phenylene oligomers is investigated in large-area molecular junctions. The molecules are self-assembled in a monolayer and contacted with a top electrode consisting of poly(3,4-ethylenedioxythiophene)-poly(4-styrenesulfonic acid) (PEDOT:PSS). The complete set of J(V,T) characteristics of both saturated
Carlos F Torres et al.
Biotechnology and bioengineering, 78(5), 509-516 (2002-07-13)
The effect of the water content on the lipase-catalyzed (Candida rugosa) interesterification (acidolysis) of menhaden oil with conjugated linoleic acid was studied for amounts of added water ranging from 0-4% (w/w). The rate of the acidolysis reaction increased with increasing
Nathan A Palmer et al.
PloS one, 9(8), e105138-e105138 (2014-08-19)
Switchgrass (Panicum virgatum L.) is being developed as a bioenergy crop for many temperate regions of the world. One way to increase biomass yields is to move southern adapted lowland cultivars to more northern latitudes. However, many southerly adapted switchgrass
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