1-OCTADECENE

1-OCTADECENE Basic information
Description Uses Purification method
Product Name:1-OCTADECENE
Synonyms:1-Octadecene, tech-95;1-Octadecene, 90%, tech;α-Octadecylene;1-Octadecane;1-OCTADECENE;1-Octadecene, tech., 90% 1LT;1-Octadecene [Standard Material for GC];Dialen 18
CAS:112-88-9
MF:C18H36
MW:252.48
EINECS:204-012-9
Product Categories:Acyclic;Alkenes;Organic Building Blocks;N-OChemical Class;OGasoline, Diesel,&Petroleum;Alpha Sort;Alphabetic;Hydrocarbons;NeatsAnalytical Standards;Olefins;Substance classes;Volatiles/ Semivolatiles;N-OAnalytical Standards;O;1-Olefins (GC Standard);Analytical Chemistry;Standard Materials for GC;112-88-9
Mol File:112-88-9.mol
1-OCTADECENE Structure
1-OCTADECENE Chemical Properties
Melting point 14-16 °C(lit.)
Boiling point 179 °C15 mm Hg(lit.)
density 0.789 g/mL at 25 °C(lit.)
vapor density 0.71 (vs air)
vapor pressure 1.3 hPa (20 °C)
refractive index n20/D 1.444(lit.)
Fp 300 °F
storage temp. Store below +30°C.
form Liquid
color Clear colorless to amber
Specific Gravity0.789
Odormild hydrocarbon odor
Water Solubility Miscible with alcohol, acetone and ether. Immiscible with water.
BRN 1761067
InChIKeyCCCMONHAUSKTEQ-UHFFFAOYSA-N
LogP9.470 (est)
CAS DataBase Reference112-88-9(CAS DataBase Reference)
EPA Substance Registry System1-Octadecene (112-88-9)
Safety Information
Hazard Codes Xn
Risk Statements 65-66
Safety Statements 23-24/25-62
WGK Germany 3
Autoignition Temperature482 °F
TSCA Yes
HS Code 29012990
ToxicityLD50 orally in Rabbit: > 10000 mg/kg LD50 dermal Rabbit > 10000 mg/kg
MSDS Information
ProviderLanguage
SigmaAldrich English
ACROS English
ALFA English
1-OCTADECENE Usage And Synthesis
DescriptionOctadecene is a long-chain hydrocarbon and an alkene with the molecular formula C18H36. There are multiple structural isomers of octadecene, depending on the position of the double bond. 1-Octadecene, an alpha-olefin, is a relatively inexpensive solvent, with a boiling point of 315 °C.It is compatible with oleic acid.1-OCTADECENE
Uses

1-octadecene is a widely used solvent for high temperature nanocrystal synthesis (120–320 °C). Non-coordinating 1-octadecene (ODE)is another frequently used solvent and seems to be plagued less by impurities.Apart from its role as solvent, ODE has often been used as reagent in NC synthesis since ODE’sterminalalkene (vinyl) has inherent reactivity.

Purification method

Typical purification procedures (precipitation/redispersion cycles or size exclusion chromatography)fail to separate the poly(1-octadecene) impurity from the nanocrystal product.

Chemical PropertiesCLEAR COLOURLESS TO AMBER LIQUID
Uses1-Octadecene is used for the preparation of alkene-terminated silicon alkyl monolayers, nanocrystals, nanoplatelets and quantum dots.
Uses1-Octadecene may be used in the preparation of monodisperse CuPd alloy nanoparticles (NPs). It may be used in the synthesis of magnetite nanocrystals.
DefinitionChEBI: An octadecene with unsaturation at C-1.
Synthesis Reference(s)Journal of the American Chemical Society, 86, p. 3072, 1964 DOI: 10.1021/ja01069a020
General DescriptionThe copolymerization of ethylene and 1-octadecene using a bridged metallocene has been studied. Monolayers of 1-octadecene were attached on a hydrogen-terminated (111) silicon surface via free-radical reaction.
Cholesteryl oleyl carbonate BETA-SITOSTEROL Cholesteryl oleate 20ALPHA-HYDROXYCHOLESTEROL Cholesteryl palmitate Cholesteryl caprylate THIOCHOLESTEROL Cholesteryl linoleate CHOLESTEROL HYDROCINNAMATE APOCHOLIC ACID Cholesteryl chloride CHOLESTERYL CHLOROACETATE Cholesteryl benzoate Cholesterol CHOLESTERYL HEPTANOATE Cholesteryl pelargonate CHOLESTERYL STEARATE Cholesteryl chloroformate

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