(E)-2-Octenal supplier | CasNO.2548-87-0

Name
(E)-2-Octenal
EINECS 219-833-8
CAS No. 2548-87-0
Article Data117
CAS DataBase
Density 0.846
Solubility Insoluble in water; soluble in alcohol.
Melting Point 3.5°C (estimate)
Formula C8H14 O
Boiling Point 84-86 ºC (19 mmHg)
Molecular Weight 126.199
Flash Point 150 ºF
Transport Information
Appearance colorless to slightly yellow liquid
Safety Mutation data reported. When heated to decomposition it emits acrid smoke and irritating vapors.
Risk Codes R36/37/38
Molecular Structure
Hazard Symbols
Synonyms 2-Octenal,(E)- (8CI); (2E)-Octenal; (E)-2-Octen-1-al; (E)-2-Octenal; (E)-Octen-2-enal;trans-2-Octanal; trans-2-Octenal; trans-Oct-2-en-1-al
PSA 17.07000
LogP 2.32180

Synthetic route

: 18409-17-1
(E)-oct-2-en-1-ol

: 2548-87-0
(E)-2-Octenal

Conditions

Conditions	Yield
With dmap; tetrakis(actonitrile)copper(I) hexafluorophosphate; N,N'-di-tert-butylethylenediamine; oxygen In dichloromethane at 20℃; under 760.051 Torr; for 1h; Schlenk technique; Molecular sieve; Sealed tube;	99%
With 1-methyl-1H-imidazole; [2,2]bipyridinyl; 2,2,6,6-tetramethyl-piperidine-N-oxyl; TPGS-750-M; copper(I) bromide In water at 20℃; for 9h;	93%
With potassium osmate(VI) dihydrate; potassium carbonate; potassium hexacyanoferrate(III) In water; acetonitrile at 60℃; for 14h; chemoselective reaction;	88%

: 7642-04-8
cis-2-octene

: 13389-42-9
trans-2-Octene

A: 2548-87-0
(E)-2-Octenal

B: 20664-46-4
cis-2-octene oxide

Conditions

Conditions	Yield
With (5,10,15,20-tetramesitylporphyrinato)manganese(III) chloride; 3-chloro-benzenecarboperoxoic acid In water; acetonitrile at 20℃; for 0.166667h; Reagent/catalyst; Concentration; Solvent; Inert atmosphere;	A 7% B 91%

...Expand

: 20052-00-0
1,1-Diethoxy 2(E)-octene

: 2548-87-0
(E)-2-Octenal

Conditions

Conditions	Yield
With water for 0.133333h; Microwave irradiation;	84%

: 20739-58-6
2-octyn-1-ol

A: 2548-87-0
(E)-2-Octenal

B: 20664-46-4
cis-2-octene oxide

Conditions

Conditions	Yield
tris(triphenylphosphine)ruthenium(II) chloride; tris(1-methylethyl)phosphine In toluene for 36h; Heating;	A 82% B n/a

: 103698-50-6
triphenylarsonium salt of bromoacetaldehyde

: 66-25-1
hexanal

: 2548-87-0
(E)-2-Octenal

Conditions

Conditions	Yield
With water; potassium carbonate In tetrahydrofuran; diethyl ether for 17h; Ambient temperature;	81%
With potassium carbonate In tetrahydrofuran; diethyl ether; water at 25℃;	81%

: 2-<(E)heptenyl>-1,3-dioxolane

: 2548-87-0
(E)-2-Octenal

Conditions

Conditions	Yield
With carbon tetrabromide; triphenylphosphine In dichloromethane for 140h; Ambient temperature;	80%
With water; toluene-4-sulfonic acid for 4h; Ambient temperature;

: 20664-46-4
cis-2-octene oxide

: 2548-87-0
(E)-2-Octenal

Conditions

Conditions	Yield
With toluene-4-sulfonic acid In chloroform Heating;	75%

: 94704-96-8
1,1-diethoxy-3-octanol

: 2548-87-0
(E)-2-Octenal

Conditions

Conditions	Yield
With hydrogenchloride In tetrahydrofuran; water for 4h; Heating;	75%

: 86254-73-1
(Z)-1-tert-Butylsulfanyl-oct-1-en-3-ol

A: 110-06-5
di-tert-butyl disulfide

B: 2548-87-0
(E)-2-Octenal

Conditions

Conditions	Yield
With copper(II) oxide In water; acetone for 1h; Ambient temperature;	A 33% B 74%

: 26001-58-1
(Z)-oct-2-en-1-ol

: 2548-87-0
(E)-2-Octenal

Conditions

Conditions	Yield
With pyridinium chlorochromate In dichloromethane for 3h; low temperature;	66%

: 18286-98-1
1,1-dimethoxy-oct-2t-ene

A: 2548-87-0
(E)-2-Octenal

B: 1871-67-6
(E)-oct-2-enoic acid

Conditions

Conditions	Yield
With chromium (VI) oxide; air In chloroform for 4h; Hydrolysis; Oxidation; Heating;	A 60% B 40%

: 103698-50-6
triphenylarsonium salt of bromoacetaldehyde

: 66-25-1
hexanal

A: 2548-87-0
(E)-2-Octenal

B: 25152-84-5
2,4-trans,trans-decadienal

Conditions

Conditions	Yield
With potassium carbonate In tetrahydrofuran; diethyl ether; water at 40℃; for 17h;	A 48% B 46%

...Expand

: 111-66-0
oct-1-ene

A: 4312-99-6
oct-1-en-3-one

B: 2548-87-0
(E)-2-Octenal

C: 111-13-7
hexyl-methyl-ketone

Conditions

Conditions	Yield
With oxygen; palladium(II) trifluoroacetate In acetonitrile for 22h; Irradiation; Yields of byproduct given;	A n/a B n/a C 10%
With oxygen; palladium(II) trifluoroacetate In acetonitrile for 22h; Irradiation; Yield given. Yields of byproduct given;	A n/a B n/a C 10%
With oxygen; palladium(II) trifluoroacetate In acetonitrile Irradiation;

...Expand

: 16387-56-7
1,1-diethoxy-oct-2c-ene

: 2548-87-0
(E)-2-Octenal

Conditions

Conditions	Yield
With sulfuric acid
Multi-step reaction with 2 steps 1: p-C6H4-SO3H / acetone; H2O / 0.25 h / 0 °C 2: 75 percent / p-CH3-C6H4-SO3H / CHCl3 / Heating View Scheme

: 1,1-dimethoxy-octan-3-one

: 2548-87-0
(E)-2-Octenal

Conditions

Conditions	Yield
With lithium aluminium tetrahydride; diethyl ether und Behandeln des Reaktionsprodukts mit wss.Schwefelsaeure;

: 107-25-5
methoxyethene

: 66-25-1
hexanal

: 2548-87-0
(E)-2-Octenal

Conditions

Conditions	Yield
With boron fluoride ether und Erhitzen des Reaktionsprodukts mit wss.Essigsaeure;

: 64997-06-4
hept-1-en-t-yl-trimethyl-silane

: 4885-02-3
Dichloromethyl methyl ether

: 2548-87-0
(E)-2-Octenal

Conditions

Conditions	Yield
(i) TiCl4, CH2Cl2, (ii) aq. MeOH; Multistep reaction;

: 56561-13-8
1t-phenylsulfanyl-oct-1-en-3-ol

: 2548-87-0
(E)-2-Octenal

Conditions

Conditions	Yield
With mercury dichloride In water; acetonitrile

: 55161-31-4
dimethyl-dithiocarbamic acid oct-2t-enyl ester

: 2548-87-0
(E)-2-Octenal

Conditions

Conditions	Yield
(i) LDA, (ii) Me2S2, (iii) Hg2+, aq. MeCN; Multistep reaction;

: 7422-90-4
acetaldehydedimethylhydrazone

: 66-25-1
hexanal

: 2548-87-0
(E)-2-Octenal

Conditions

Conditions	Yield
Multistep reaction;

: 31924-94-4
1t,3-bis-methylsulfanyl-oct-1-ene

: 2548-87-0
(E)-2-Octenal

Conditions

Conditions	Yield
With mercury dichloride In tetrahydrofuran; acetonitrile

: 65367-45-5
1-dimethylcarbamoylsulfanyl-1-methylsulfanyl-oct-2-ene

: 2548-87-0
(E)-2-Octenal

Conditions

Conditions	Yield
With water; calcium carbonate; mercury dichloride

: 64190-30-3
trans-2-benzenesulfinyl-3-hexyl-oxirane

: 2548-87-0
(E)-2-Octenal

Conditions

Conditions	Yield
In xylene Heating;

: 16387-56-7
1,1-diethoxy-oct-2c-ene

A: 2548-87-0
(E)-2-Octenal

B: 20664-46-4
cis-2-octene oxide

Conditions

Conditions	Yield
With p-C6H4-SO3H In water; acetone at 0℃; for 0.25h; Yield given. Title compound not separated from byproducts;

: 111-66-0
oct-1-ene

A: 4312-99-6
oct-1-en-3-one

B: 2548-87-0
(E)-2-Octenal

C: 18409-17-1
(E)-oct-2-en-1-ol

D: 3391-86-4
1-octen-3-ol

E: 2984-50-1
1,2-Epoxyoctane

Conditions

Conditions	Yield
With oxygen; bis(acetylacetonato)dioxidomolybdenum(VI); cobalt(III) acetylacetonate In 1,2-dichloro-benzene at 110℃; for 5.3h; Product distribution; other temperatures, catalysts, times, olefins;	A n/a B n/a C n/a D n/a E 61 % Chromat.

...Expand

: 54306-01-3
1,1-diethoxy-oct-2-ene

A: 2548-87-0
(E)-2-Octenal

B: 20664-46-4
cis-2-octene oxide

Conditions

Conditions	Yield
With toluene-4-sulfonic acid In water; acetone at 0℃; Yield given. Yields of byproduct given. Title compound not separated from byproducts;

: 62427-11-6
cis-2-(1'-hexyl)-1-(trimethylsilyl)oxirane

: 2548-87-0
(E)-2-Octenal

Conditions

Conditions	Yield
With trimethyl ester of coenzyme PQQ; oxygen; palladium diacetate In N,N-dimethyl-formamide at 70℃; for 7h;
With palladium diacetate In N,N-dimethyl-formamide at 60℃; for 7h;	80 % Chromat.

: C8H15O(1-)*Br(1-)*Mg(2+)

A: 2548-87-0
(E)-2-Octenal

B: 18409-17-1
(E)-oct-2-en-1-ol

Conditions

Conditions	Yield
With benzaldehyde In diethyl ether for 5h; Yield given. Yields of byproduct given;
With benzaldehyde In diethyl ether for 5h; Product distribution;

: 127896-07-5
α,α-bis(trimethylsilyl)-tert-butylacetaldehyde imine

: 66-25-1
hexanal

: 2548-87-0
(E)-2-Octenal

Conditions

Conditions	Yield
With zinc(II) chloride; zinc dibromide 1) THF, RT, 6 h, 2) ether, water, RT, 1 h; Yield given. Multistep reaction;

: 18286-98-1
1,1-dimethoxy-oct-2t-ene

: 2548-87-0
(E)-2-Octenal

Conditions

Conditions	Yield
With water; toluene-4-sulfonic acid for 4h; Ambient temperature;

: 2548-87-0
(E)-2-Octenal

: 74-90-8
hydrogen cyanide

: 186087-75-2
(E)-(S)-2-Hydroxy-non-3-enenitrile

Conditions

Conditions	Yield
With (S)-hydroxynitrile lyase from Hevea brasiliensis Addition; Enzymatic reaction;	100%
With hydroxynitrile lyase from Hevea brasiliensis In water at 15℃; for 0.25h; pH 5.5;	96%

: 2548-87-0
(E)-2-Octenal

: 7677-24-9
trimethylsilyl cyanide

: (E)-2-trimethylsilyloxy-3-nonenenitrile

Conditions

Conditions	Yield
With lithium chloride In tetrahydrofuran at 22℃; for 22h;	98%

: 2548-87-0
(E)-2-Octenal

: 100-58-3
phenylmagnesium bromide

: 181229-27-6
(2E)-1-phenyloct-2-en-1-ol

Conditions

Conditions	Yield
In tetrahydrofuran at 20℃; for 17h;	98%

: 2548-87-0
(E)-2-Octenal

: 75-08-1
ethanethiol

: 1258408-40-0
3-(ethylthio)octanal

Conditions

Conditions	Yield
With triethylamine In chloroform at 110℃; for 1h; Michael Addition; Inert atmosphere; Microwave irradiation;	98%

: 2548-87-0
(E)-2-Octenal

: 927-80-0
1-ethoxyacetylene

: 7328-34-9
ethyl 2E,4E-decadienoate

Conditions

Conditions	Yield
Stage #1: (E)-2-Octenal With boron trifluoride diethyl etherate In diethyl ether at -30℃; for 0.5h; Inert atmosphere; Stage #2: 1-ethoxyacetylene In diethyl ether; hexane at -30℃; for 1.5h; Inert atmosphere;	98%

: 2548-87-0
(E)-2-Octenal

: 628-71-7
1-Heptyne

: 754226-60-3
(E)-6-pentadecen-9-yn-8-ol

Conditions

Conditions	Yield
Stage #1: 1-Heptyne With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.25h; Stage #2: (E)-2-Octenal In tetrahydrofuran; hexane at -78℃; for 30h;	97%

: 2548-87-0
(E)-2-Octenal

: 762-42-5
dimethyl acetylenedicarboxylate

: 3-butyl-phthalic acid dimethyl ester

Conditions

Conditions	Yield
With acetamide; toluene-4-sulfonic acid for 0.166667h; Beller reaction; microwave irradiation;	96%

: potassium cyanide

: 2548-87-0
(E)-2-Octenal

: 1092455-54-3
(E)-2-hydroxynon-3-enenitrile

Conditions

Conditions	Yield
Stage #1: potassium cyanide; (E)-2-Octenal In diethyl ether; water at -10℃; for 0.166667h; Stage #2: With hydrogenchloride In diethyl ether; water at -10 - 20℃;	96%

: 2548-87-0
(E)-2-Octenal

: 18409-17-1
(E)-oct-2-en-1-ol

Conditions

Conditions	Yield
With sodium tetrahydroborate In methanol for 3h;	95%
With sodium bis(2-methoxyethoxy)aluminium dihydride In diethyl ether at 0 - 20℃; for 3.5h;	84.4%
With formic acid; 4-methoxy-N-(1-(naphthalen-2-yl)ethylidene)aniline; sodium formate In water at 80℃; for 6h; pH=4.5; Inert atmosphere; chemoselective reaction;	78%

: 2548-87-0
(E)-2-Octenal

: 3182-95-4
L-Phenylalaninol

: 1246300-53-7
(S,2E)-2-((E)-oct-2-enylideneamino)-3-phenylpropan-1-ol

Conditions

Conditions	Yield
With magnesium sulfate In dichloromethane at 20℃; for 0.333333h;	95%

: 2548-87-0
(E)-2-Octenal

: 106-95-6
allyl bromide

: C11H20O

Conditions

Conditions	Yield
With ammonium chloride; zinc In tetrahydrofuran; water at 0 - 25℃; for 4h; Barbier Coupling Reaction;	95%

: 2548-87-0
(E)-2-Octenal

A: 111-87-5
octanol

B: 124-13-0
Octanal

Conditions

Conditions	Yield
With phosphate buffer; D-glucose; Synechococcus sp. PCC 7942; Triton X-100 In water at 25℃; for 72h; pH=7.0; Irradiation;	A 94% B 5%

: 2548-87-0
(E)-2-Octenal

: 57648-55-2
(E)-oct-3-en-2-ol

Conditions

Conditions	Yield
With 1-Phenylethanol In toluene at 120℃; for 12h; Inert atmosphere; chemoselective reaction;	94%

: 2548-87-0
(E)-2-Octenal

: 36969-89-8
dimethyl 2-oxoheptylphosphonate

: trans-2-octenal

Conditions

Conditions	Yield
With N-ethyl-N,N-diisopropylamine; lithium chloride In acetonitrile for 3h; Inert atmosphere;	91%

: 1830-54-2
3-oxopentanedioic acid dimethyl ester

: 2548-87-0
(E)-2-Octenal

: 7-pentyl-2,4,8,9-tetramethoxycarbonylbicyclo<3.3.1>-3-nonene-1,3-diol

Conditions

Conditions	Yield
With piperidine In tetrahydrofuran for 144h; Ambient temperature;	90%

: 2548-87-0
(E)-2-Octenal

: 1609-39-8
7-chlorobicyclo<2.2.1>hepta-2,5-diene

: 612500-53-5
7-(1'-hydroxyoct-2'-enyl)bicyclo[2.2.1]hepta-2,5-diene

Conditions

Conditions	Yield
Stage #1: 7-chlorobicyclo<2.2.1>hepta-2,5-diene With 4,4'-di-tert-butylbiphenyl; lithium In tetrahydrofuran at -78℃; for 0.5h; Stage #2: (E)-2-Octenal In tetrahydrofuran at -78 - 20℃; for 1h;	90%

: 2548-87-0
(E)-2-Octenal

: 162794-22-1
Acetic acid 2-methoxy-4-[3-oxo-4-(triphenyl-λ5-phosphanylidene)-butyl]-phenyl ester

: Acetic acid 2-methoxy-4-((4E,6E)-3-oxo-dodeca-4,6-dienyl)-phenyl ester

Conditions

Conditions	Yield
In benzene Heating;	89%

: 67-56-1
methanol

: 2548-87-0
(E)-2-Octenal

: 18286-98-1
1,1-dimethoxy-oct-2t-ene

Conditions

Conditions	Yield
With samarium(III) trifluoromethanesulfonate at 20℃; for 0.0833333h; Etherification;	89%

: 2548-87-0
(E)-2-Octenal

: 42134-50-9
2,3-epoxyoctanal

Conditions

Conditions	Yield
With dihydrogen peroxide; sodium hydroxide In water for 2h; pH=8 - 8.5;	88%
With dihydrogen peroxide; sodium carbonate; alpha cyclodextrin In water at 0℃; for 3h;	76 % Turnov.
With oxone; 1,1,1-trifluoro-2-propanone; edetate disodium; sodium hydrogencarbonate In water; acetonitrile for 3h;

: 2548-87-0
(E)-2-Octenal

: 96-26-4
dihydroxyacetone

: (3aR,6S,6aS)-6-Pentyl-dihydro-furo[3,4-c]furan-1,3a-diol

Conditions

Conditions	Yield
With sodium hydroxide In 1,4-dioxane; water at 0℃; for 21h;	88%

: 2548-87-0
(E)-2-Octenal

: 593-71-5
Chloroiodomethane

: 399513-58-7
(+/-)-(3E)-1-chloro-oct-3-en-2-ol

Conditions

Conditions	Yield
With n-butyllithium In tetrahydrofuran at -78℃; for 1h;	88%

: 2548-87-0
(E)-2-Octenal

: 5497-76-7
L-proline tert-butyl ester hydrochloride

: tert-butyl (E)-oct-2-en-1-yl-L-prolinate

Conditions

Conditions	Yield
Stage #1: (E)-2-Octenal; L-proline tert-butyl ester hydrochloride In dichloromethane at 20℃; for 0.166667h; Inert atmosphere; Stage #2: With sodium tris(acetoxy)borohydride In dichloromethane at 20℃; for 3h; Inert atmosphere;	88%

: 2548-87-0
(E)-2-Octenal

: 21382-82-1
(carbethoxyethylidene)triphenylphosphorane

: (2E,4E)-2-Methyl-deca-2,4-dienoic acid ethyl ester

Conditions

Conditions	Yield
In dichloromethane at 20℃; for 18h;	87%

: 2548-87-0
(E)-2-Octenal

: 205885-29-6
N-benzyl-N-trimethylsilanylethynyl-4-methylbenzenesulphonamide

: (Z)-1-[benzyl(p-toluenesulfonyl)amino]-2-(trimethylsilyl)-1,4-decadien-3-ol

Conditions

Conditions	Yield
Stage #1: N-benzyl-N-trimethylsilanylethynyl-4-methylbenzenesulphonamide With titanium(IV) isopropylate; isopropylmagnesium chloride Stage #2: (E)-2-Octenal Stage #3: With hydrogen cation Acid hydrolysis; Further stages.;	87%

: 2548-87-0
(E)-2-Octenal

: 13170-43-9
(trimethylsilyl)methylmagnesium chloride

: (E)-1-Trimethylsilanyl-non-3-en-2-ol

Conditions

Conditions	Yield
In diethyl ether for 2h; Ambient temperature;	86%

: 2548-87-0
(E)-2-Octenal

: 89343-06-6
tris-iso-propylsilyl acetylene

: 1198837-41-0
C19H36OSi

Conditions

Conditions	Yield
With (R)-((4,4’-bi-1,3-benzodioxole)-5,5’-diyl)bis(bis(3,5-di-t-butyl-4-methoxyphenyl))phosphine; [Rh(OAc)(C2H4)2]2 In methanol at 40℃; for 24h; optical yield given as %ee; enantioselective reaction;	86%

: 2548-87-0
(E)-2-Octenal

: 75-16-1
methylmagnesium bromide

: 41285-72-7, 69668-90-2, 111423-36-0, 111467-55-1, 38285-42-6
(E)-non-3-en-2-ol

Conditions

Conditions	Yield
In diethyl ether at 0℃; for 0.133333h;	85%
In tetrahydrofuran at 0 - 20℃; for 2.33h; Inert atmosphere;

: 2548-87-0
(E)-2-Octenal

: 90965-06-3
dimethyl 1-(1-diazo-2-oxopropyl)phosphonate

: 109-77-3
malononitrile

: 1228955-60-9
(E)-dimethyl 3-cyano-4-(hept-1-enyl)-1H-pyrazol-5-ylphosphonate

Conditions

Conditions	Yield
With potassium hydroxide In methanol at 20℃; for 1h; Molecular sieve; regioselective reaction;	85%

...Expand

(E)-2-Octenal Chemical Properties

Chemistry informtion about (E)-2-Octenal (CAS NO.2548-87-0) is:
IUPAC Name: (E)-Oct-2-Enal
Synonyms: (2e)-2-Octenal ; (E)-2-Octen-1-Al ; (E)-2-Octena ; 2-(E)-Octenal ; Oct-(E)-2-Enal ; Oct-2(E)-Enal ; T2 Octenal ; Trans-2-Octen-1-Al
Product Categories: aldehyde Flavor ; O-P;Alphabetical Listings ; Flavors and Fragrances;Aldehydes ; C₈ ; Carbonyl Compounds
MF: C₈H₁₄O
MW: 126.2
EINECS: 219-115-4
Density: 0.832 g/cm³
Flash Point: 65.6 °C
Boiling Point: 190.1 °C at 760 mmHg
Vapour Pressure: 0.552 mmHg at 25°C
Enthalpy of Vaporization: 42.63 kJ/mol
Refractive Index: n20/D 1.45(lit.)
FEMA: 3215
Following is the molecular structure of (E)-2-Octenal (CAS NO.2548-87-0) is:

(E)-2-Octenal Toxicity Data With Reference

1.		dnd-ham-fbr 250 µmol/l/1H		MUREAV Mutation Research. 497 (2001),185.
2.		dnd-hmn-oth 300 µmol/l/1H		MUREAV Mutation Research. 497 (2001),185.

(E)-2-Octenal Safety Profile

Mutation data reported. When heated to decomposition it emits acrid smoke and irritating vapors.
Hazard Codes:
Irritant Xi
Risk Statements:
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements:
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
WGK Germany: 3
RTECS: RH2130000

(E)-2-Octenal Specification

(E)-2-Octenal (CAS NO.2548-87-0) is a colorless to pale yellow liquid. To protect yourself, you can put on eyeshields, full-face respirator (US), gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter.

Product Name

(E)-2-Octenal

Synthetic route

(E)-2-Octenal Chemical Properties

(E)-2-Octenal Toxicity Data With Reference

(E)-2-Octenal Safety Profile

(E)-2-Octenal Specification

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