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T8752

Sigma-Aldrich

Tetracosane

99%

Synonym(s):

n-Tetracosane

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About This Item

Linear Formula:
CH3(CH2)22CH3
CAS Number:
646-31-1
Molecular Weight:
338.65
Beilstein:
1758462
EC Number:
211-474-5
MDL number:
MFCD00009352
UNSPSC Code:
12352100
PubChem Substance ID:
24900554
NACRES:
NA.22
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Quality Level

100

Assay

99%

bp

391 °C (lit.)

mp

49-52 °C (lit.)

solubility

chloroform: soluble 10%, clear, colorless

SMILES string

CCCCCCCCCCCCCCCCCCCCCCCC

InChI

1S/C24H50/c1-3-5-7-9-11-13-15-17-19-21-23-24-22-20-18-16-14-12-10-8-6-4-2/h3-24H2,1-2H3

InChI key

POOSGDOYLQNASK-UHFFFAOYSA-N

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General description

Tetracosane is a linear alkane. Structural characteristics of confined squalane and tetracosane under shear flow conditions have been investigated.[1] Solubility of tetracosane in ethane and ethylene have been investigated.[2]
Viscosity, liquid density, and surface tension data of its binary and ternary mixtures with various n-alkanes (n-heptane, n-decane or n-hexadecane) have been evaluated.[3] Its solubility in various hydrocarbon solvents (heptane, dodecane, isomeric mixtures of decahydronapthalene, m- and p-xylene) has been studied.[4]

Application

Tetracosane is the suitable solvent used in the synthesis of ZnS nanoparticle.[5] It may be employed as the wax component to study the reduction in pour point of hydrocarbon solvents containing wax crystals on addition of polymer additives.[6]

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCS9978
MKCQ8345
MKCN2863
MKCJ8741
MKBZ8846V

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How polymer additives reduce the pour point of hydrocarbon solvents containing wax crystals.
Binks BP, et al.
Physical Chemistry Chemical Physics (2015)
Radu C Racovita et al.
PloS one, 11(11), e0165827-e0165827 (2016-11-08)
In this work, cuticular waxes from flag leaf blades and peduncles of Triticum aestivum cv. Bethlehem were investigated in search for novel wax compounds. Seven wax compound classes were detected that had previously not been reported, and their structures were
Veronica Lolli et al.
Foods (Basel, Switzerland), 9(7) (2020-07-12)
Cyclopropenoid fatty acids (CPEFA), found in oilseeds from Malvaceae and Sterculiaceae, have been shown to interfere with the endogenous synthesis of several bioactive lipids of dairy fat, such as cis-9, trans-11 18:2 and cis-9 18:1, by inhibiting Δ9-desaturase. No previous
Solubilities of tetracosane in hydrocarbon solvents.
Brecevic L and Garside J.
Journal of Chemical and Engineering Data, 38(4), 598-601 (1993)
Shear behavior of squalane and tetracosane under extreme confinement. I. Model, simulation method, and interfacial slip.
Gupta SA, et al.
J. Chem. Phys. , 107(23), 10316-10326 (1997)
View All Related Papers

Protocols

US EPA Method 8015 (modified): GC Analysis of Diesel Range Organics (DRO) on SLB®-5ms (20 m x 0.18 mm I.D., 0.18 µm), Fast GC Analysis

Separation of Decane; Dodecane; Tetradecane; Hexadecane; Octadecane; Eicosane; Docosane; Tetracosane; Hexacosane; Octacosane

Questions

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  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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