Octadecane

Octadecane Basic information
Description
Product Name:Octadecane
Synonyms:n-Octadecane, δ13C: -30.71;Octadecane [Standard Material for GC];N-OCTADECANE REFERENCE SUBSTANCE FOR GAS;Octadecane, 99+% 250ML;Octadecane, 99+% 5ML;n-Octadecane 0;n-Octadecane, technical, 90%;n-Octadecane for synthesis
CAS:593-45-3
MF:C18H38
MW:254.49
EINECS:209-790-3
Product Categories:Aloe Vera;Building Blocks;Chemical Synthesis;Ephedra sinica;Nutrition Research;Organic Building Blocks;Analytical Chemistry;n-Paraffins (GC Standard);Standard Materials for GC;Alkanes;Organic Building Blocks;Phytochemicals by Plant (Food/Spice/Herb);Plantago ovata;Sambucus nigra (Elderberry);Acyclic;Alpha Sort;Alphabetic;N-OAnalytical Standards;O;Volatiles/ Semivolatiles;Chemical Class;Hydrocarbons;NeatsAnalytical Standards
Mol File:593-45-3.mol
Octadecane Structure
Octadecane Chemical Properties
Melting point 28 °C
Boiling point 317 °C(lit.)
density 0.777 g/mL at 25 °C(lit.)
vapor density 8.8 (vs air)
vapor pressure 1 mm Hg ( 119 °C)
refractive index 1.4390
Fp 330 °F
storage temp. room temp
solubility <0.0001g/l insoluble
form Crystalline Mass/Melt
color White
Specific Gravity0.7822
Water Solubility No rapid reaction with water.
BRN 1740138
Stability:Stable. Combustible. Incompatible with strong oxidizing agents.
LogP9.32 at 20℃
CAS DataBase Reference593-45-3(CAS DataBase Reference)
NIST Chemistry ReferenceOctadecane(593-45-3)
EPA Substance Registry SystemOctadecane (593-45-3)
Safety Information
Hazard Codes Xi,Xn
Risk Statements 36/37/38-66-65
Safety Statements 26-36-62-24-23
WGK Germany 3
Autoignition Temperature455 °F
TSCA Yes
HS Code 29011000
Hazardous Substances Data593-45-3(Hazardous Substances Data)
MSDS Information
ProviderLanguage
ACROS English
SigmaAldrich English
ALFA English
Octadecane Usage And Synthesis
DescriptionOctadecane is an alkane hydrocarbon that has the molecular formula CH3(CH2)16CH3. It is a straight-chain alkane that carries 18 carbon atoms. Octadecane has a role as a plant metabolite and a bacterial metabolite. It is found in alcoholic beverages, hop oil, aband other plant resources. Octadecane is a colorless liquid that has a fuel-like smell. It is soluble in water, slightly soluble in ethanol and soluble. It is also soluble in acetone, ethyl ether, chloroform, petroleum, ether, and coal tar hydrocarbons.
Chemical Propertieswhite crystals or powder
Usesn-octadecane is used as a solvent, a lubricant, transformer oil and an anti-corrosion agent. It is also used in paraffin and as a chemical intermediate in organic synthesis. It plays an important role in pheromones as a chemical messenger. N-Octadecane/ molecular sieve 5A composites find application as thermal storage material.
DefinitionChEBI: A straight-chain alkane carrying 18 carbon atoms.
Synthesis Reference(s)The Journal of Organic Chemistry, 52, p. 472, 1987 DOI: 10.1021/jo00379a037
Tetrahedron Letters, 31, p. 5093, 1990 DOI: 10.1016/S0040-4039(00)97814-6
General DescriptionColorless liquid.
Reactivity ProfileSaturated aliphatic hydrocarbons, such as Octadecane, may be incompatible with strong oxidizing agents like nitric acid. Charring of the hydrocarbon may occur followed by ignition of unreacted hydrocarbon and other nearby combustibles. In other settings, aliphatic saturated hydrocarbons are mostly unreactive. They are not affected by aqueous solutions of acids, alkalis, most oxidizing agents, and most reducing agents. When heated sufficiently or when ignited in the presence of air, oxygen or strong oxidizing agents, they burn exothermically to produce carbon dioxide and water.
Fire HazardCombustible.
Purification MethodsCrystallise it from acetone and distil it from sodium in a vacuum. [Beilstein 1 IV 553.]
Docosanoic acid PERFLUOROEICOSANE octadecane,1-bromo STEARONITRILE Chlorodimethyloctadecylsilane BEHENIC ACID octadecane,1-chloro Tetracosanedioic acid OCTADECANE,OCTADECANE Octadecane,1-isocyanato AGARIC ACID N-OCTADECYLTRICHLOROSILANE TRICOSANOIC ACID Arachidic Acid NONADECANOIC ACID HENEICOSANOIC ACID 1-IODOOCTADECANE LIGNOCERIC ACID

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