2-ETHYLHEXANAL

2-ETHYLHEXANAL Basic information
Product Name:2-ETHYLHEXANAL
Synonyms:BUTYLETHYLACETALDEHYDE;ETHYLHEXANAL, 2-;2-ETHYLHEXANALDEHYDE;2-ETHYLHEXALDEHYDE;2-ETHYLHEXANAL;2-ETHYLHEXYL ALDEHYDE;2-ETHYLCAPRONALDEHYDE;α-Ethylhexanal
CAS:123-05-7
MF:C8H16O
MW:128.21
EINECS:204-596-5
Product Categories:
Mol File:123-05-7.mol
2-ETHYLHEXANAL Structure
2-ETHYLHEXANAL Chemical Properties
Melting point -76 °C
Boiling point 55 °C13.5 mm Hg(lit.)
density 0.822 g/mL at 25 °C(lit.)
vapor pressure 2-2.8hPa at 18.5-23.4℃
refractive index n20/D 1.415(lit.)
Fp 108 °F
storage temp. Flammables area
solubility 0.01g/l
form Liquid
color Clear colorless
explosive limit1.0-6.6%(V)
Water Solubility Slightly soluble in water.
Sensitive Air Sensitive
BRN 1700556
Stability:Air Sensitive
LogP3.07 at 25℃
Surface tension47.1mN/m at 730mg/L and 20.2℃
CAS DataBase Reference123-05-7(CAS DataBase Reference)
EPA Substance Registry System2-Ethylhexanal (123-05-7)
Safety Information
Hazard Codes Xi,Xn
Risk Statements 10-36/37/38-43-38-63
Safety Statements 26-36-36/37
RIDADR UN 1191 3/PG 3
WGK Germany 1
RTECS MN7525000
TSCA Yes
HazardClass 3
PackingGroup III
HS Code 29121990
Hazardous Substances Data123-05-7(Hazardous Substances Data)
MSDS Information
ProviderLanguage
ACROS English
SigmaAldrich English
ALFA English
2-ETHYLHEXANAL Usage And Synthesis
Chemical Propertiesclear liquid
Chemical PropertiesEthyl hexaldehyde is a colorless liquid with a mild, pleasant odor.
Uses2-Ethylhexanal is used as an intermediate for chemical synthesis?and in the production of pharmaceuticals and odorous substances.
Uses2-Ethylhexanal may be used as an analytical standard for the determination of the analyte in the atmosphere of charcoal plants by high-performance liquid chromatography and UV detection. It may also be used as an internal standard for the determination of the analyte from wood pellets(6) by chromatography-based techniques.
UsesOrganic synthesis, perfumes.
DefinitionChEBI: A fatty aldehyde that is heptane in which one of the hydrogens at position 3 has been replaced by a formyl group. It is a metabolite of the plasticisers di-2-ethylhexyl phthalate (DEHP) and di-2-ethylhexyl adipate (DEHA).
Synthesis Reference(s)Journal of the American Chemical Society, 77, p. 359, 1955 DOI: 10.1021/ja01607a036
Synthesis, p. 767, 1976 DOI: 10.1055/s-1976-24198
General DescriptionWhite liquid with a mild odor. Floats on water.
Air & Water ReactionsSpontaneously flammable in air. [Steele and Dugan, Chem. Eng. 66:160(1960)]. Insoluble in water.
Reactivity Profile2-ETHYLHEXANAL are aldehydes. Aldehydes are frequently involved in self-condensation or polymerization reactions. These reactions are exothermic; they are often catalyzed by acid. Aldehydes are readily oxidized to give carboxylic acids. Flammable and/or toxic gases are generated by the combination of aldehydes with azo, diazo compounds, dithiocarbamates, nitrides, and strong reducing agents. Aldehydes can react with air to give first peroxo acids, and ultimately carboxylic acids. These autoxidation reactions are activated by light, catalyzed by salts of transition metals, and are autocatalytic (catalyzed by the products of the reaction). The addition of stabilizers (antioxidants) to shipments of aldehydes retards autoxidation.
HazardIgnites in air.
Health HazardInhalation may be irritating to mucous membrane; overexposure may cause dizziness and collapse. Ingestion causes irritation of mouth and stomach. Contact with eyes or skin causes irritation.
Fire HazardHIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.
Safety ProfileModerately toxic by ingestion and intraperitoneal routes. Mildly toxic by inhalation and skin contact. An eye and severe skin irritant. See also ALDEHYDES. Dangerous fire hazard; spontaneously flammable in air. To fight fire, use foam, CO2, dry chemical, water spray, mist, fog. Incompatible with oxidizing materials. When heated to decomposition it emits acrid and irritating fumes.
Potential ExposureIt is used as a solvent extraction chemical; in organic synthesis; perfume formulation, disinfectant
ShippingUN1191 Octyl aldehydes, Hazard Class: 3; Labels: 3-Flammable liquid
IncompatibilitiesMay form explosive mixture with air. Violent reaction with oxidizers. Incompatible with strong acids; caustics, ammonia, amines. May ignite spontaneously when spilled on clothing or other absorbent materials. May form unstable peroxides on contact with air; under certain conditions ignites spontaneously with air.
Waste DisposalDissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. All federal, state, and local environmental regulations must be observed.
WIELAND-MIESCHER KETONE trans-1,2-Cyclohexanedicarboxylic acid Tranexamic Acid 2-ACETYL-1,3-CYCLOHEXANEDIONE 2,5-dioxo-1,4-cyclohexanedicarboxylic acid dimethyl ester Dimethyl 1,4-cyclohexanedicarboxylate 4-CARBETHOXY-2-ETHYL-3-METHYL-2-CYCLOHEXEN-1-ONE METHYL O-METHYLPODOCARPATE Menthone 4-CARBETHOXY-3-METHYL-2-CYCLOHEXEN-1-ONE 2-ACETYLCYCLOHEXANONE D-(+)-Camphoric acid Diethyl succinosuccinate (-)-VERBENONE ETHYL 4-METHYL-2-CYCLOHEXANONE-1-CARBOXYLATE 1,4-Cyclohexanedicarboxylic acid ETHYL 2-CYCLOHEXANONEACETATE 1,2,3,4-CYCLOPENTANETETRACARBOXYLIC ACID

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