Product Name

  • Name

    Hexanal

  • EINECS 200-624-5
  • CAS No. 66-25-1
  • Article Data514
  • CAS DataBase
  • Density 0.801 g/cm3
  • Solubility 4.8 g/L (20 °C) in water
  • Melting Point -56 °C
  • Formula C6H12O
  • Boiling Point 127.9 °C at 760 mmHg
  • Molecular Weight 100.161
  • Flash Point 26.2 °C
  • Transport Information UN 1207 3/PG 3
  • Appearance liquid
  • Safety 37/39-26-16
  • Risk Codes 10
  • Molecular Structure Molecular Structure of 66-25-1 (Hexanal)
  • Hazard Symbols IrritantXi
  • Synonyms Caproaldehyde;Caproic aldehyde;Capronaldehyde;Hexaldehyde;Hexanaldehyde;Hexylaldehyde;NSC 2596;n-Caproaldehyde;n-Capronaldehyde;n-Hexanal;n-Hexylaldehyde;
  • PSA 17.07000
  • LogP 1.76560

Synthetic route

hexan-1-ol
111-27-3

hexan-1-ol

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With 4 A molecular sieve; tetrabutylammonium periodite; sodium ruthenate(VI) In dichloromethane at 20℃; for 24h; Oxidation;100%
With 4 A molecular sieve; tetrabutylammonium perchlorate; Ru-Cu-Al-hydrotalcite In toluene at 60℃; for 24h;100%
With iodosylbenzene; Cl-CH2-PS supported 5-amino-1,10-phenanthroline-Ru In acetonitrile at 60℃; for 2h;100%
1,1-diethoxyhexane
3658-93-3

1,1-diethoxyhexane

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With water In tetrahydrofuran; diethyl ether at 80℃; under 6000.6 Torr; Inert atmosphere; Autoclave;100%
With dibromotriphenylphosphorane In dichloromethane at -50℃; for 1h;74%
With 6C72H112O8*8H2O In chloroform-d1; water for 1h; Inert atmosphere;
1,1-hexanediol diacetate
64847-81-0

1,1-hexanediol diacetate

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With beta zeolite modified with chlorosulphonic acid (28 wtpercent) In ethanol at 50℃; for 0.0833333h;100%
With ethanol at 50℃; for 0.166667h; chemoselective reaction;98%
With (NH4)3PW12O40 In methanol at 20℃; for 2h;92%
1,1-dimethoxyhexane
1599-47-9

1,1-dimethoxyhexane

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With water In tetrahydrofuran; diethyl ether at 80℃; under 6000.6 Torr; Inert atmosphere; Autoclave;100%
hexanoic acid
142-62-1

hexanoic acid

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With thexylchloroborane-Me2SO4 In dichloromethane for 0.25h; Ambient temperature;99%
With thexylchloroborane-Me2SO4 In dichloromethane for 0.25h; Product distribution; Ambient temperature; other aliphatic and aromatic acids, other products, other times;99%
With thexylbromoborane dimethyl sulfide complex In carbon disulfide; dichloromethane at -20 - 20℃; for 1h;94%
hexanoic acid Li-salt
16577-51-8

hexanoic acid Li-salt

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With 9-borabicyclo[3.3.1]nonane dimer In tetrahydrofuran for 1h; Ambient temperature;99%
(E)-2-Hexenal
6728-26-3

(E)-2-Hexenal

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With hydrogen; sodium dodecyl-sulfate; palladium diacetate In tetrahydrofuran; water at 20℃; under 760.051 Torr; for 0.5h; Reagent/catalyst; chemoselective reaction;98%
With N,N,N,N,N,N-hexamethylphosphoric triamide; diisobutylaluminium hydride In tetrahydrofuran; hexane at 0℃; for 1h;89%
With hydrogen In isopropyl alcohol at 110℃; under 22502.3 Torr; for 3h; Autoclave;35.2%
N-methoxy-N-methyl hexanamide
64214-56-8

N-methoxy-N-methyl hexanamide

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With lithium diisobutyl-tert-butoxyaluminum hydride In tetrahydrofuran; hexane at 0℃; Reagent/catalyst; Inert atmosphere; chemoselective reaction;97%
With benzoic acid ethyl ester; copper diisobutyl-t-butoxyaluminum hydride In tetrahydrofuran at 20℃; for 12h; Inert atmosphere; chemoselective reaction;99 %Chromat.
hexan-1-ol
111-27-3

hexan-1-ol

A

n-hexyl caproate
6378-65-0

n-hexyl caproate

B

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; sodium hydrogencarbonate; sodium bromide In dichloromethane; water at 0℃; Electrolysis; Saturated solution;A n/a
B 95%
With calcium dichloride dihydrate; oxone; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; water In dichloromethane at 20℃; for 2.5h; Catalytic behavior; Reagent/catalyst; Time; Solvent; Overall yield = 59 %Chromat.;A 91%
B 9%
With oxone; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; tetrabutylammomium bromide; water In dichloromethane at 20℃; for 4h; Catalytic behavior; Overall yield = 7 %Chromat.;A 9%
B 52%
isopropyl amyl carbinol
26533-34-6

isopropyl amyl carbinol

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With lead(IV) acetate; lithium chloride In benzene at 80℃;95%
hex-1-yne
693-02-7

hex-1-yne

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With chloro(cyclopentadienyl)[bis(diphenylphosphino)methane]ruthenium; water In isopropyl alcohol at 100℃; for 12h;95%
With water; C46H53F3N4O4P2RuS In acetone at 69 - 72℃; for 36h; Product distribution; Further Variations:; Catalysts; Reagents; anti-Markovnikov hydration;96 % Spectr.
With water; ruthenium In benzene-d6 at 70℃; Product distribution; Further Variations:; Catalysts;
2-hexyloxy-tetrahydro-pyran
1927-63-5

2-hexyloxy-tetrahydro-pyran

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With aluminium trichloride; tetramethylammonium chlorochromate In acetonitrile for 1h; Heating;94%
1-bromo-hexane
111-25-1

1-bromo-hexane

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With 4-methylmorpholine N-oxide; 1-ethyl-3-methyl-1H-imidazol-3-ium chloride; potassium iodide at 100℃; for 0.0833333h; Microwave irradiation; Ionic liquid;94%
With dihydrogen peroxide In ethanol for 7h; Reflux; Green chemistry;62%
1,1'-bis(phenylthio)hexane
73188-53-1

1,1'-bis(phenylthio)hexane

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With 3-chloro-benzenecarboperoxoic acid; trifluoroacetic acid In dichloromethane for 1h; Ambient temperature;92%
hexanal oxime
6033-61-0

hexanal oxime

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With water; Dess-Martin periodane In dichloromethane at 5℃; for 0.5h;92%
With molybdenum(V) chloride; zinc In acetonitrile at 20℃; for 0.333333h;78%
With potassium sulfate; potassium hydrogensulfate; potassium peroxomonosulfate; acetic acid In water at 40 - 45℃; for 5h;70%
With iodine at 45 - 60℃; for 0.183333h; Reagent/catalyst; Microwave irradiation;70%
trans-2-Octene
13389-42-9

trans-2-Octene

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With cobalt(II) 5,10,15,20-tetraphenylporphyrin; naphthalene; oxygen; isovaleraldehyde at 80℃; under 760.051 Torr; for 6h;92%
Stage #1: trans-2-Octene With cis-[Ru(2,9-Me2phen)2(OH2)2](PF6)2 In acetonitrile at 55℃; for 0.5h;
Stage #2: With dihydrogen peroxide In acetonitrile for 8h;
Multi-step reaction with 3 steps
1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 0 - 20 °C / Inert atmosphere
2: sulfuric acid / acetonitrile; water / 20 °C
3: C21H12Cl6NO4V / toluene / 3 h / 100 °C / 760.05 Torr
View Scheme
hexanoxytrimethylsilane
17888-62-9

hexanoxytrimethylsilane

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With aluminium trichloride; tetramethylammonium chlorochromate In acetonitrile for 1.33333h; Heating;90%
hex-2-yn-1-ol
764-60-3

hex-2-yn-1-ol

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With 20 % Pd(OH)2/C; hydrogen In benzene at 20℃; for 0.5h;90%
sodium caproate
10051-44-2

sodium caproate

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With 9-borabicyclo[3.3.1]nonane dimer In tetrahydrofuran for 0.5h; Ambient temperature;87%
N,N-dimethylhexanamide
5830-30-8

N,N-dimethylhexanamide

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With sodium aluminum tetrahydride In tetrahydrofuran at 0℃; for 3h;86%
With diethyl ether; lithium diethoxyaluminum hydride
With sodium diethylpiperidinohydroaluminate In tetrahydrofuran at 0℃; for 3h;96 % Chromat.
2-n-pentyl-1,3-dithiolane
74585-39-0

2-n-pentyl-1,3-dithiolane

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With sodium nitrate; sulfuric acid; silica gel In dichloromethane at 20℃; for 0.416667h;86%
With polystyryl-mercury trifluoroacetate; water In dichloromethane at 23℃; for 96h; Product distribution; var. temp., and time, var. solvents; other thioacetals and thioketals;42 % Chromat.
1,2-epoxyheptane
5063-65-0

1,2-epoxyheptane

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With sodium paraperiodate; sulfuric acid In water at 20℃; for 0.5h;85%
1-penten
109-67-1

1-penten

carbon monoxide
201230-82-2

carbon monoxide

A

2-methylvaleraldehyde
123-15-9

2-methylvaleraldehyde

B

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With acetylacetonatodicarbonylrhodium(l); hydrogen; triphenylphosphine In neat (no solvent) at 80℃; under 7500.75 Torr; for 1h; Catalytic behavior; Time; Autoclave;A 11.1%
B 83.7%
With hydrogen; (polymer-PPh2)2Ru(CO)3 In benzene at 140℃; under 51714.8 Torr; for 20h; Product distribution; further temperature, pressure; other catalysts;
With water; dodecacarbonyltetrairidium In methanol at 150℃; under 41371.8 Torr; for 0.5h; Product distribution; other group 8 transition-metal catalysts;
hex-1-enylboronic acid

hex-1-enylboronic acid

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In 1,4-dioxane at 20℃; under 760.051 Torr; for 31h; Irradiation; Green chemistry;83%
hex-1-yne
693-02-7

hex-1-yne

A

n-hexan-2-one
591-78-6

n-hexan-2-one

B

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With sodium hydroxide; thexylbromoborane dimethyl sulfide complex; dihydrogen peroxide Product distribution; directive effect of thexylhaloborane-methyl sulfide in the hydroboration of alkynes; further reagents; multistep reaction;A n/a
B 82%
With water; ; (pentafluorophenyl)diphenylphosphine In isopropyl alcohol at 65℃; for 12h; Title compound not separated from byproducts;A 3.0 % Chromat.
B 71 % Chromat.
Stage #1: hex-1-yne With aniline; bis(trimethylsilyl)acetylenetitanocene In toluene at 85℃; for 24h;
Stage #2: With hydrogenchloride Title compound not separated from byproducts;
With C35H44F3N5O3PtS In benzene-d6; water; acetone for 24h; Glovebox; Sealed tube; Heating; Inert atmosphere;A 21 %Spectr.
B 79 %Spectr.
Hexanoyl chloride
142-61-0

Hexanoyl chloride

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With sodium tris(tert-butoxo)aluminium hydride In tetrahydrofuran; diethylene glycol dimethyl ether at -78℃; for 1h;81%
Stage #1: Hexanoyl chloride With aluminium hydride In tetrahydrofuran at 20℃; for 1h; Metallation;
Stage #2: With pyridinium chlorochromate In tetrahydrofuran; dichloromethane at 20℃; for 6h; Oxidation;
81%
With tri-n-butyl-tin hydride; 1,2-bis(diphenylphosphino)ethane nickel(II) chloride In tetrahydrofuran at 25℃; for 0.25h;80%
benzyl hexyl ether
61103-84-2

benzyl hexyl ether

A

1-hexyl nitrite
638-51-7

1-hexyl nitrite

B

benzaldehyde
100-52-7

benzaldehyde

C

hexanal
66-25-1

hexanal

D

hexan-1-ol
111-27-3

hexan-1-ol

Conditions
ConditionsYield
With nitric acid In dichloromethane at 20℃; for 1h; Further byproducts given;A n/a
B 81%
C n/a
D n/a
(+/-)-4,5-dimethyl-3-(cis-2-methylcyclopentyloxy)-thiazole-2(3H)-thione

(+/-)-4,5-dimethyl-3-(cis-2-methylcyclopentyloxy)-thiazole-2(3H)-thione

tri-n-butyl-tin hydride
688-73-3

tri-n-butyl-tin hydride

A

4,5-dimethyl-2-(tributylstannylsulfanyl)-thiazole
35108-31-7

4,5-dimethyl-2-(tributylstannylsulfanyl)-thiazole

B

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
In benzene-d6 at 20℃; for 0.5h; Inert atmosphere; UV-irradiation;A 81%
B 71%
1-nitrohexane
646-14-0

1-nitrohexane

hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With dihydrogen peroxide; potassium carbonate In methanol; water for 8h; Ambient temperature;80%
With sodium perborate for 6h; Ionic liquid;75%
Stage #1: 1-nitrohexane With potassium hydroxide In methanol Nef reaction; Continuous flow conditions;
Stage #2: With potassium permanganate; water In methanol at 25℃; Nef reaction; Sonication; Continuous flow conditions; chemoselective reaction;
74%
With sodium hydroxide; sodium chlorite; tetra(n-butyl)ammonium hydrogensulfate In dichloromethane for 0.7h; Ambient temperature; Yield given;
Multi-step reaction with 2 steps
1: 56 percent / AcONH4 / acetic acid / 10 h / 100 °C
2: aq. H2O2; OH(-); 1-butyl-3-methylimidazolim trifluoromethanesulfonate / 16 h / 25 °C
View Scheme
ethylene glycol
107-21-1

ethylene glycol

hexanal
66-25-1

hexanal

2-pentyl-1,3-dioxolane
3515-94-4

2-pentyl-1,3-dioxolane

Conditions
ConditionsYield
distannoxane 1a In benzene for 0.5h; Mechanism; Product distribution; Heating; other distannoxane catalysts, other aldehydes, other alcohol, other solvents, other reaction times;100%
With 9.0 wt% H4[SiW12O40] on SiO2 In neat (no solvent) at 60℃; for 6h; Reagent/catalyst; chemoselective reaction;99%
With Kaolinitic clay In benzene for 2h; Heating;90%
nitromethane
75-52-5

nitromethane

hexanal
66-25-1

hexanal

1-nitroheptan-2-ol
6302-74-5

1-nitroheptan-2-ol

Conditions
ConditionsYield
With potassium tert-butylate In tetrahydrofuran; tert-butyl alcohol at 0 - 20℃; for 24h; Henry reaction;100%
With potassium tert-butylate In tetrahydrofuran; tert-butyl alcohol Addition;99%
With (S,S)-1,2-diaminocyclohexane; copper(II) acetate monohydrate In ethanol at 20℃; for 12h; Henry reaction; Inert atmosphere; enantioselective reaction;99%
hexanal
66-25-1

hexanal

hexanoic acid
142-62-1

hexanoic acid

Conditions
ConditionsYield
With N-hydroxyphthalimide; trans-Re(O)Cl2(OC(CH3)2C(CH3)2O)2P(Ph)3; oxygen In acetonitrile at 30℃; under 760.051 Torr; for 1.1h;100%
With diphenyl diselenide; dihydrogen peroxide In water at 20℃; for 3h; Green chemistry;99%
With N-hydroxyphthalimide; oxygen In acetonitrile at 30℃; for 3h; Schlenk technique;99%
hexanal
66-25-1

hexanal

hexan-1-ol
111-27-3

hexan-1-ol

Conditions
ConditionsYield
With Na-phosphate buffer; horse liver NADH; NAD; sodium formate; <(C5Me5)Rh(bpy-5-OAc)(H2O)>Cl2 at 25℃; for 30h; Product distribution; Mechanism; other ketones, other times, other temperatures, other enzymes;100%
With sodium aluminum tetrahydride In tetrahydrofuran at 0℃; for 0.0833333h; Product distribution; other aldehydes, ketones, carboxylic acids (also sodium salts), acid chlorides, esters, lactones, epoxides, amides, nitriles, nitrogen and sulfur compounds; var. temp., time and ratio of reagents;100%
With sodium aluminum tetrahydride In tetrahydrofuran at 0℃; for 0.0833333h;100%
propargyl alcohol
107-19-7

propargyl alcohol

hexanal
66-25-1

hexanal

(R/S)-non-2-yne-1,4-diol
98262-70-5

(R/S)-non-2-yne-1,4-diol

Conditions
ConditionsYield
Stage #1: propargyl alcohol With n-butyllithium In tetrahydrofuran; hexane at -40℃; for 0.333333h; Inert atmosphere;
Stage #2: hexanal With cerium(III) chloride In tetrahydrofuran; hexane Reagent/catalyst;
100%
With n-butyllithium In tetrahydrofuran at -78℃;93%
Stage #1: propargyl alcohol With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere;
Stage #2: hexanal In tetrahydrofuran; hexane at -78 - 0℃; for 2h; Inert atmosphere;
86%
3-bromo-3,3-difluropropene
420-90-6

3-bromo-3,3-difluropropene

hexanal
66-25-1

hexanal

3,3-difluoro-1-nonen-4-ol
131437-07-5

3,3-difluoro-1-nonen-4-ol

Conditions
ConditionsYield
With indium In water for 3h;100%
With zinc In tetrahydrofuran47%
With indium In N,N-dimethyl-formamide
[3-(2-Methyl-[1,3]dioxolan-2-yl)-1-methylsulfanyl-propyl]-phosphonic acid diethyl ester
80436-57-3

[3-(2-Methyl-[1,3]dioxolan-2-yl)-1-methylsulfanyl-propyl]-phosphonic acid diethyl ester

hexanal
66-25-1

hexanal

{2-Hydroxy-1-[2-(2-methyl-[1,3]dioxolan-2-yl)-ethyl]-1-methylsulfanyl-heptyl}-phosphonic acid diethyl ester
80436-58-4

{2-Hydroxy-1-[2-(2-methyl-[1,3]dioxolan-2-yl)-ethyl]-1-methylsulfanyl-heptyl}-phosphonic acid diethyl ester

Conditions
ConditionsYield
With n-butyllithium100%
(3,3-diisopropoxy-propyl)-triphenyl-phosphonium bromide
72931-54-5

(3,3-diisopropoxy-propyl)-triphenyl-phosphonium bromide

hexanal
66-25-1

hexanal

(Z)-3-nonenal diisopropyl acetal
120018-49-7

(Z)-3-nonenal diisopropyl acetal

Conditions
ConditionsYield
With sodium hexamethyldisilazane In tetrahydrofuran for 12h; -100 deg C to RT;100%
With sodium hexamethyldisilazane 1.) THF, toluene, RT, 1 h, 2.) from -100 to 0 deg C, 4 h; Yield given. Multistep reaction;
With sodium hexamethyldisilazane 1.) THF, room temp., 1 h; HMPA, 0 deg C, 1 h, 2.) -100 deg C to room temp., overnight; Yield given. Multistep reaction;
2-methylseleno-2-phenylselenopropan
123445-64-7

2-methylseleno-2-phenylselenopropan

hexanal
66-25-1

hexanal

A

butyl methyl selenide
32773-42-5

butyl methyl selenide

B

(phenylseleno)-2-propane
22233-89-2

(phenylseleno)-2-propane

C

2-phenylseleno-2-methyl octane-3-ol
123445-63-6

2-phenylseleno-2-methyl octane-3-ol

Conditions
ConditionsYield
With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.2h;A 100%
B 10%
C 90%
hexanal
66-25-1

hexanal

N-(2-methoxyphenyl)-2-<(tributylstannyl)methyl>propenamide
101566-91-0

N-(2-methoxyphenyl)-2-<(tributylstannyl)methyl>propenamide

4-hydroxy-N-(2-methoxyphenyl)-2-methylenenonanamide
101566-97-6

4-hydroxy-N-(2-methoxyphenyl)-2-methylenenonanamide

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In dichloromethane at -78 - 0℃; for 4h;100%
hexanal
66-25-1

hexanal

trimethylsilylacetylene
1066-54-2

trimethylsilylacetylene

1-trimethylsilyloct-1-yn-3-ol
69498-66-4

1-trimethylsilyloct-1-yn-3-ol

Conditions
ConditionsYield
Stage #1: trimethylsilylacetylene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h;
Stage #2: hexanal In tetrahydrofuran; hexane at -78 - 20℃; for 3h;
100%
Stage #1: trimethylsilylacetylene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h;
Stage #2: hexanal In tetrahydrofuran; hexane at 0℃; for 4h;
96%
With n-butyllithium In hexane at 25℃; for 1.5h;80%
hexanal
66-25-1

hexanal

Conditions
ConditionsYield
With 1,3-dimethylimidazolim iodide; 1,8-diazabicyclo[5.4.0]undec-7-ene In 1,4-dioxane for 3h; Heating;100%
With N-benzyl-N,N,N-triethylammonium chloride; 1-chloro-1-fluoromethyl phenyl sulfone In tetrahydrofuran at 20℃; for 4h;85%
With L-Tryptophan In water at 20℃; for 3h; Catalytic behavior; Solvent; Sealed tube; Green chemistry;78%
3-azidopropan-1-ol
72320-38-8

3-azidopropan-1-ol

hexanal
66-25-1

hexanal

2-Pentyl-5,6-dihydro-4H-[1,3]oxazine

2-Pentyl-5,6-dihydro-4H-[1,3]oxazine

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In dichloromethane Ambient temperature; other reagents: H2SO4, TiCl4, SnCl4, trimethylsilyl triflate;100%
hexanal
66-25-1

hexanal

(1S,5S,6S,7R)-6,7-epoxy-6-[(E)-2'-carbobenzyloxy-1'-vinyl]-2-oxabicyclo[3.3.0]octan-3-one
249890-38-8

(1S,5S,6S,7R)-6,7-epoxy-6-[(E)-2'-carbobenzyloxy-1'-vinyl]-2-oxabicyclo[3.3.0]octan-3-one

(1S,5R,7R,2'R,S,3'R,S)-7-hydroxy-6-[(E,Z)-3'-hydroxyoct-2'-carbobenzyloxy-1'-ylidene]-2-oxabicyclo[3.3.0]octan-3-one
249890-37-7

(1S,5R,7R,2'R,S,3'R,S)-7-hydroxy-6-[(E,Z)-3'-hydroxyoct-2'-carbobenzyloxy-1'-ylidene]-2-oxabicyclo[3.3.0]octan-3-one

Conditions
ConditionsYield
With samarium diiodide In tetrahydrofuran at -78℃; for 0.833333h; Condensation;100%
hexanal
66-25-1

hexanal

(3R)-6,8-dibenzyloxy-9-hydroxy-3-methyl-3,4-dihydro-2H-anthracen-1-one
790699-58-0

(3R)-6,8-dibenzyloxy-9-hydroxy-3-methyl-3,4-dihydro-2H-anthracen-1-one

6,8-bis-benzyloxy-9-hydroxy-2-(1-hydroxy-hexyl)-3-methyl-3,4-dihydro-2H-anthracen-1-one
849692-99-5

6,8-bis-benzyloxy-9-hydroxy-2-(1-hydroxy-hexyl)-3-methyl-3,4-dihydro-2H-anthracen-1-one

Conditions
ConditionsYield
Stage #1: (3R)-6,8-dibenzyloxy-9-hydroxy-3-methyl-3,4-dihydro-2H-anthracen-1-one With TEA; t-butyldimethylsiyl triflate In dichloromethane
Stage #2: hexanal With boron trifluoride diethyl etherate at -70℃;
100%
hexanal
66-25-1

hexanal

(5-hexyl-furan-3-yloxy)-trimethyl-silane
845960-16-9

(5-hexyl-furan-3-yloxy)-trimethyl-silane

5-hexyl-2-(1-hydroxy-hexyl)-furan-3-one

5-hexyl-2-(1-hydroxy-hexyl)-furan-3-one

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In dichloromethane at -78℃; for 1h;100%
hexanal
66-25-1

hexanal

methyl 2-cyanoacetate
105-34-0

methyl 2-cyanoacetate

(E)-2-cyano-oct-2-enoic acid methyl ester
111735-80-9

(E)-2-cyano-oct-2-enoic acid methyl ester

Conditions
ConditionsYield
With piperidine; acetic acid at 20℃; for 14h;100%
(R)-2-methoxy-1-phenylethylamine
64715-85-1, 91298-74-7, 127180-88-5

(R)-2-methoxy-1-phenylethylamine

hexanal
66-25-1

hexanal

C15H23NO

C15H23NO

Conditions
ConditionsYield
With magnesium sulfate In dichloromethane at 20℃; for 12h;100%
diethylphosphonoacetic acid
3095-95-2

diethylphosphonoacetic acid

hexanal
66-25-1

hexanal

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

(E)-oct-2-enoic acid

Conditions
ConditionsYield
With N,N,N,N,-tetramethylethylenediamine; zinc trifluoromethanesulfonate; 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran at 25℃; for 12h; Horner-Wadsworth-Emmons reaction;100%
6-({4-[(4-methoxyphenyl)ethynyl]benzyl}amino)-2,2-dimethyl-4H-1,3-benzodioxin-4-one
866932-09-4

6-({4-[(4-methoxyphenyl)ethynyl]benzyl}amino)-2,2-dimethyl-4H-1,3-benzodioxin-4-one

hexanal
66-25-1

hexanal

6-(hexyl{4-[(4-methoxyphenyl)ethynyl]benzyl}amino)-2,2-dimethyl-4H-1,3-benzodioxin-4-one
866932-12-9

6-(hexyl{4-[(4-methoxyphenyl)ethynyl]benzyl}amino)-2,2-dimethyl-4H-1,3-benzodioxin-4-one

Conditions
ConditionsYield
Stage #1: 6-({4-[(4-methoxyphenyl)ethynyl]benzyl}amino)-2,2-dimethyl-4H-1,3-benzodioxin-4-one; hexanal With sodium tris(acetoxy)borohydride; acetic acid In 1,2-dichloro-ethane at 70℃; for 24h;
Stage #2: With sodium hydrogencarbonate In water; 1,2-dichloro-ethane
100%
styrene
292638-84-7

styrene

sorbic Acid
110-44-1

sorbic Acid

hexanal
66-25-1

hexanal

(1RS,2SR)-2-(1-hydroxyhexyl)-3,5-hexadienoic acid
142077-75-6, 142077-76-7, 142247-75-4, 142247-76-5, 142247-77-6

(1RS,2SR)-2-(1-hydroxyhexyl)-3,5-hexadienoic acid

Conditions
ConditionsYield
In tetrahydrofuran; water; diisopropylamine; pentane100%
(R)-1-Amino-2-(methoxymethyl)pyrrolidine
72748-99-3

(R)-1-Amino-2-(methoxymethyl)pyrrolidine

hexanal
66-25-1

hexanal

C12H24N2O
128718-25-2

C12H24N2O

Conditions
ConditionsYield
In dichloromethane at 0 - 20℃; Molecular sieve; Inert atmosphere;100%
nitrostyrene
5153-67-3

nitrostyrene

hexanal
66-25-1

hexanal

(+)-(2S)-2-[(R)-2-nitro-1-phenyl-ethyl]-hexanal

(+)-(2S)-2-[(R)-2-nitro-1-phenyl-ethyl]-hexanal

Conditions
ConditionsYield
With : H-D-Pro-Pro-Glu supported on polyethyleneglycol-polystyrene (TentaGel resin) In chloroform; isopropyl alcohol at -15℃; for 19h; optical yield given as %ee; enantioselective reaction;100%
With 4-methyl-morpholine; C16H26N4O5 In neat (no solvent) at 20℃; for 24h; stereoselective reaction;100%
With 4-methyl-morpholine; H-D-Pro-L-Pro-L-Glu-NH2*TFA In chloroform; isopropyl alcohol at 20℃; optical yield given as %ee; enantioselective reaction;98%
1-pentylisonitrile
18971-59-0

1-pentylisonitrile

hexanal
66-25-1

hexanal

C18H35NO3

C18H35NO3

Conditions
ConditionsYield
With water; sodium sulfate at 20℃; for 7h; Passerini Condensation;100%
hexanal
66-25-1

hexanal

ethyl isocyano formate

ethyl isocyano formate

C11H21NO4

C11H21NO4

Conditions
ConditionsYield
With water; sodium tosylate at 20℃; for 7h; Passerini Condensation;100%
methanesulfonic acid
75-75-2

methanesulfonic acid

hexanal
66-25-1

hexanal

C7H13O3S(1-)*Na(1+)

C7H13O3S(1-)*Na(1+)

Conditions
ConditionsYield
With sodium butanolate In butan-1-ol Reflux;100%

Hexanal Chemical Properties

MF: C6H12O
MW: 100.16
EINECS: 200-624-5
mp:  -56 °C 
bp:  130-131 °C(lit.)
density:  0.816 g/mL at 20 °C
vapor density:  >1 (vs air)
vapor pressure:  10 mm Hg ( 20 °C)
FEMA:  2557
refractive index:  n20/D 1.4035(lit.)
Fp:  90 °F
storage temp:  2-8°C
Water Solubility:  4.8 g/L (20 oC)
Sensitive:  Air Sensitive
Merck:  14,1760
BRN:  506198
CAS DataBase Reference: 66-25-1(CAS DataBase Reference)

Hexanal Toxicity Data With Reference

1.   

skn-rbt 500 mg/24H MLD

   85JCAE    Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia.: Avicenum,1986,272.
2.   

skn-rbt 14,178 μg/24H open MLD

   AIHAAP    American Industrial Hygiene Association Journal. 23 (1962),95.
3.   

eye-rbt 500 mg/24H MLD

   85JCAE    Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia.: Avicenum,1986,272.
4.   

orl-rat LD50:4890 mg/kg

   AMIHBC    AMA Archives of Industrial Hygiene and Occupational Medicine. 10 (1954),61.
5.   

ihl-rat LCLo:2000 ppm/4H

   AMIHBC    AMA Archives of Industrial Hygiene and Occupational Medicine. 10 (1954),61.

Hexanal Consensus Reports

1-HEXANAL is reported in EPA TSCA Inventory.

Hexanal Safety Profile

Hazard Codes:  Xi
Risk Statements:  10
Safety Statements:  37/39-26-16
RIDADR:  UN 1207 3/PG 3
WGK Germany:  1
RTECS:  MN7175000
F:  13
Hazard Note:  Irritant
HazardClass:  3
PackingGroup:  III
Hazardous Substances Data: 66-25-1(Hazardous Substances Data)
Mildly toxic by ingestion and inhalation. An irritant to skin and eyes. Flammable liquid. A dangerous fire hazard when exposed to heat or flame; can react vigorously with oxidizing materials. When heated to decomposition it emits acrid smoke and fumes.

Hexanal Standards and Recommendations

DOT Classification:  3; Label: Flammable Liquid

Hexanal Specification

1、Fire Fighting Measures of Hexanal 
General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Vapors can travel to a source of ignition and flash back. Will burn if involved in a fire. Flammable liquid and vapor. 
Extinguishing Media: Use foam, dry chemical, or carbon dioxide. Cool containers with flooding quantities of water until well after fire is out. 
2、Handling and Storage of Hexanal  
Handling: Use with adequate ventilation. Use spark-proof tools and explosion proof equipment. Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. 
Storage: Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container. Flammables-area. 
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