EU/US Properties Organoleptics Cosmetics Suppliers Safety Safety in use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes


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CAS Number: 646-31-1Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg:211-474-5
Nikkaji Web:J1.721C
Beilstein Number:1758462
XlogP3:12.60 (est)
Molecular Weight:338.66250000
Formula:C24 H50
BioActivity Summary:listing
NMR Predictor:Predict (works with chrome, Edge or firefox)
Category:natural substances and extractives
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
Google Books:Search
Google Scholar: with word "volatile"Search
Google Scholar: with word "flavor"Search
Google Scholar: with word "odor"Search
Google Patents:Search
US Patents:Search
EU Patents:Search
Pubchem Patents:Search
Physical Properties:
Appearance:white solid (est)
Assay: 98.00 to 100.00
Food Chemicals Codex Listed: No
Melting Point: 53.00 to 55.00 °C. @ 760.00 mm Hg
Boiling Point: 390.00 to 392.00 °C. @ 760.00 mm Hg
Vapor Pressure:0.000006 mmHg @ 25.00 °C. (est)
Flash Point: 381.00 °F. TCC ( 193.89 °C. )
logP (o/w): 13.508 (est)
Soluble in:
 water, 9.25e-008 mg/L @ 25 °C (est)
Insoluble in:
Organoleptic Properties:
Odor and/or flavor descriptions from others (if found).
Cosmetic Information:
None found
BOC Sciences
For experimental / research use only.
Tetracosane 99%
Santa Cruz Biotechnology
For experimental / research use only.
Sigma-Aldrich: Aldrich
For experimental / research use only.
Tetracosane 99%
For experimental / research use only.
Tetracosane >99.0%(GC)
Safety Information:
Preferred SDS: View
European information :
Most important hazard(s):
None - None found.
S 02 - Keep out of the reach of children.
S 24/25 - Avoid contact with skin and eyes.
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
Safety in Use Information:
natural substances and extractives
Recommendation for tetracosane usage levels up to:
 not for fragrance use.
Recommendation for tetracosane flavor usage levels up to:
 not for flavor use.
Safety References:
EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):646-31-1
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :12592
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
EPA/NOAA CAMEO:hazardous materials
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:646-31-1
Pubchem (cid):12592
Pubchem (sid):134976966
Other Information:
(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
Golm Metabolome Database:Search
HMDB (The Human Metabolome Database):HMDB34282
Export Tariff Code:2901.29.1010
Typical G.C.
VCF-Online:VCF Volatile Compounds in Food
Potential Blenders and core components note
None Found
Potential Uses:
None Found
Occurrence (nature, food, other):note
 allspice plant
Search Trop Picture
 basswood flower
Search Trop Picture
 cabocla flower oil brazil @ 4.60%
Data GC Search Trop Picture
 citronella oil zimbabwe @ 2.12%
Data GC Search Trop Picture
 coconut seed oil
Search Trop Picture
Search PMC Picture
 herniaria incana lam. oil greece @ 0.20%
Data GC Search Trop Picture
 kewda oil @ trace%
Data GC Search Trop Picture
 mustard white mustard
Search Trop Picture
 orange fruit
Search Trop Picture
 osmanthus absolute @ 0.02%
Data GC Search Trop Picture
 papaya seed oil
Search Trop Picture
Search PMC Picture
 sunflower seed
Search Trop Picture
 thevetia peruviana (pers.) k. schum. flower oil brazil @ 0.10%
Data GC Search Trop Picture
 witch hazel leaf oil @ 2.59%
Data GC Search Trop Picture


PubMed:Self-Diffusion Coefficient and Structure of Binary n-Alkane Mixtures at the Liquid-Vapor Interfaces.
PubMed:Long-range modulation of a composite crystal in a five-dimensional superspace.
PubMed:Draft Genome Sequence of the Piezotolerant and Crude Oil-Degrading Bacterium Rhodococcus qingshengii Strain TUHH-12.
PubMed:Prospect, isolation, and characterization of microorganisms for potential use in cases of oil bioremediation along the coast of Trindade Island, Brazil.
PubMed:How polymer additives reduce the pour point of hydrocarbon solvents containing wax crystals.
PubMed:Reverse hydrotropy by complex formation.
PubMed:Biodegradation of variable-chain-length n-alkanes in Rhodococcus opacus R7 and the involvement of an alkane hydroxylase system in the metabolism.
PubMed:Volatiles of Lysimachia paridiformis Var. Stenophylla, Lysimachia fortumei and Lysimachia chikungensis by HS-SPME-GC-MS.
PubMed:Phenolic profile, antioxidant capacity and anti-inflammatory activity of Anethum graveolens L. essential oil.
PubMed:Chemical composition of essential oil and anti trichomonas activity of leaf, stem, and flower of Rheum ribes L. extracts.
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PubMed:Comparison between solid phase microextraction (SPME) and hollow fiber liquid phase microextraction (HFLPME) for determination of extractables from post-consumer recycled PET into food simulants.
PubMed:Degradation of recalcitrant aliphatic and aromatic hydrocarbons by a dioxin-degrader Rhodococcus sp. strain p52.
PubMed:Essential oils of Alpinia rafflesiana and their antimicrobial activities.
PubMed:Comparison of chemical composition of Aerva javanica seed essential oils obtained by different extraction methods.
PubMed:High efficiency degradation crude oil by a novel mutant irradiated from Dietzia strain by 12C6+ heavy ion using response surface methodology.
PubMed:Chemical composition of Hypericum richeri subsp. grisebachii essential oil from Croatia.
PubMed:A new pentacyclic phenol and other constituents from the root bark of Bauhinia racemosa Lamk.
PubMed:Characterization of a novel Rieske-type alkane monooxygenase system in Pusillimonas sp. strain T7-7.
PubMed:Chemical composition of the fatty oils of the seeds of Cleome viscosa accessions.
PubMed:n-Alkane chain length alters Dietzia sp. strain DQ12-45-1b biosurfactant production and cell surface activity.
PubMed:Evaluation of cytotoxic activity of patriscabratine, tetracosane and various flavonoids isolated from the Bangladeshi medicinal plant Acrostichum aureum.
PubMed:Phase transitions between the rotator phases of paraffin investigated using silicon microcantilevers.
PubMed:Comparative GC/MS analysis of essential oils extracted by 3 methods from the bud of Citrus aurantium L. var. amara Engl.
PubMed:Confinement induced conformational changes in n-alkanes sequestered within a narrow carbon nanotube.
PubMed:[Studies on chemical constituents from leaves of Uraria lacei].
PubMed:Antioxidant, antimicrobial activities and fatty acid components of flower, leaf, stem and seed of Hypericum scabrum.
PubMed:Syntheses of lignin-derived thioacidolysis monomers and their uses as quantitation standards.
PubMed:A new ferulic acid ester, a new ellagic acid derivative, and other constituents from pachycentria formosana: effects on neutrophil pro-inflammatory responses.
PubMed:Bioguided isolation of pentacyclic triterpenes from the leaves of Alstonia scholaris (Linn.) R. Br. growing in Egypt.
PubMed:A halotolerant Alcanivorax sp. strain with potential application in saline soil remediation.
PubMed:Confinement-driven weakening of the rotator phase transitions in an alkane through a possible tricritical point.
PubMed:Systematic determination of order parameters for chain dynamics using diffusion maps.
PubMed:Molecular simulations of intermediate and long alkanes adsorbed on graphite: tuning of non-bond interactions.
PubMed:[Study on the chemical constituents qf Spongilla Wagner].
PubMed:Chemical Examination of Citrus sinensis Flavedo Variety Pineapple.
PubMed:Spontaneous imbibition dynamics of an n-alkane in nanopores: evidence of meniscus freezing and monolayer sticking.
PubMed:Treatment of municipal solid waste leachate using a submerged anaerobic membrane bioreactor at mesophilic and psychrophilic temperatures: analysis of recalcitrants in the permeate using GC-MS.
PubMed:[Study on the chemical constituents of the leaves of Ipomoea batatas].
PubMed:Structure and phase transitions of monolayers of intermediate-length n-alkanes on graphite studied by neutron diffraction and molecular dynamics simulation.
PubMed:Growth inhibitory activity of fatty acid methyl esters in the whole seed oil of madagascar periwinkle (Apocyanaceae) against Helicoverpa armigera (Lepidoptera: Noctuidae).
PubMed:Structural and phase properties of tetracosane (C24H50) monolayers adsorbed on graphite: an explicit hydrogen molecular dynamics study.
PubMed:Raman and infrared fingerprint spectroscopy of peroxide-based explosives.
PubMed:Gas chromatography-mass spectrometry with supersonic molecular beams.
PubMed:Biochemical evaluation of borage (Borago officinalis) rosette leaves through their essential oil and fatty acid composition.
PubMed:Comparative study of normal and branched alkane monolayer films adsorbed on a solid surface. II. Dynamics.
PubMed:Comparative study of normal and branched alkane monolayer films adsorbed on a solid surface. I. Structure.
PubMed:Raman spectroscopy of natural accumulated paraffins from rocks: evenkite, ozokerite and hatchetine.
PubMed:[Studies on chemical constituents in flower of Abelmoschus manihot].
PubMed:Kairomones extracted from rice yellow stem borer and their influence on egg parasitization by Trichogramma japonicum ashmead.
PubMed:Acyl-CoA oxidase activity from Beauveria bassiana, an entomopathogenic fungus.
PubMed:The lipid polyester composition of Arabidopsis thaliana and Brassica napus seeds.
PubMed:Gramicidin A channel in a matrix from a semifluorinated surfactant monolayer.
PubMed:Late opacification of a silicone intraocular lens caused by ophthalmic ointment.
PubMed:Characterization of waxes used in pictorial artworks according to their relative amount of fatty acids and hydrocarbons by gas chromatography.
PubMed:A synthetic route to size-controlled fcc and fct FePt nanoparticles.
PubMed:Calculation the surface tension of heptane, eicosane, docosane, tetracosane, and their asymmetric mixtures.
PubMed:Rheological and structural studies of liquid decane, hexadecane, and tetracosane under planar elongational flow using nonequilibrium molecular-dynamics simulations.
PubMed:Emissions of organic compounds and trace metals in fine particulate matter from motor vehicles: a tunnel study in Houston, Texas.
PubMed:Spectroscopy of the conformational disorder in molecular films: tetracosane and squalane on Pt(111).
PubMed:Quantitation of hydroxyproline in bone by gas chromatography-mass spectrometry.
PubMed:Intramolecular diffusive motion in alkane monolayers studied by high-resolution quasielastic neutron scattering and molecular dynamics simulations.
PubMed:Structural characterization of crystalline ternary inclusion compounds at the air-water interface.
PubMed:Hydrocarbon degradation by a soil microbial population with beta-cyclodextrin as surfactant to enhance bioavailability.
PubMed:Migration of residual contaminants from secondary recycled poly(ethylene terephthalate) into food-simulating solvents, aqueous ethanol and heptane.
PubMed:Degradation of crude oil by Acinetobacter calcoaceticus and Alcaligenes odorans.
PubMed:Mechanism underlying cuticular hydrocarbon homogeneity in the antCamponotus vagus (SCOP.) (Hymenoptera: Formicidae): Role of postpharyngeal glands.
PubMed:Copulation releaser pheromone in body scales of female whitemarked tussock moth,Orgyia leucostigma (Lepidoptera: Lymantriidae): Identification and behavioral role.
PubMed:The kinetics of solubilization of single component non-polar oils by a non-ionic surfactant.
PubMed:Incorporation of P and Growth of Pseudomonad UP-2 on n-Tetracosane.
PubMed:Gas-liquid chromatographic quantitation of cocaine.HCl in pouders and tablets: collaborative study.
PubMed:Isothermal gas chromatographic method for the rapid determination of carbamazepine ("tegretol") as its TMS derivative.
PubMed:Impurities in commercial saccharin. I. Impurities soluble in organic solvents.
PubMed:Correlation of cocarcinogenic activity among n-alkanes with their physical effects on phospholipid micelles.
PubMed:Four-directional-development thin-layer chromatography of lipids using trimethyl borate.
PubMed:[The occurrence and isolation of n-tetracosane delta 9, 12, 15, 19-tetraenoic acid from the glycerophosphatides of the brain].
PubMed:The occurrence of n-tetracosane in certain natural sources.
Isol. from plant sources e.g. rose and orange oils Tetracosane, also called tetrakosane, is an alkane hydrocarbon with the structural formula H(CH2)24H. As with other alkanes, its name is derived from Greek for the number of carbon atoms, 24, in the molecule. It has 14,490,245 constitutional isomers.
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