Product Name

  • Name

    1-Cyclohexene-1-acetonitrile

  • EINECS 230-235-6
  • CAS No. 6975-71-9
  • Article Data26
  • CAS DataBase
  • Density 0.941 g/cm3
  • Solubility
  • Melting Point
  • Formula C8H11N
  • Boiling Point 215.6 °C at 760 mmHg
  • Molecular Weight 121.182
  • Flash Point 83.9 °C
  • Transport Information
  • Appearance Clear yellow to orange liquid
  • Safety 26-27-36/37/39-36/37
  • Risk Codes 20/21/22-36/37/38
  • Molecular Structure Molecular Structure of 6975-71-9 (1-Cyclohexene-1-acetonitrile)
  • Hazard Symbols HarmfulXn,IrritantXi
  • Synonyms 1-Cyclohexen-1-ylacetonitrile;1-Cyclohexene-1-acetonitrile;2-(1-Cyclohexenyl)acetonitrile;NSC 21642;
  • PSA 23.79000
  • LogP 2.40048

Synthetic route

2-(1-cyclohexenyl)ethylamine
3399-73-3

2-(1-cyclohexenyl)ethylamine

1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

Conditions
ConditionsYield
With nickel(II) sulphate; sodium hydroxide; dipotassium peroxodisulfate In dichloromethane for 24h; Ambient temperature;95%
With oxygen; RuHAP In toluene at 110℃; for 24h;99 % Chromat.
With ammonium hydroxide; oxygen In tert-Amyl alcohol at 110℃; under 2250.23 Torr; for 15h; Autoclave; Green chemistry;90 %Chromat.
(+/-)-2-(7-oxabicyclo[4.1.0]heptyl)ethanenitrile
29625-35-2

(+/-)-2-(7-oxabicyclo[4.1.0]heptyl)ethanenitrile

1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

Conditions
ConditionsYield
With sodium iodide; tin(ll) chloride In ethanol for 0.05h; Reflux; Green chemistry;85%
2-cyclohexylideneacetonitrile
4435-18-1, 76293-17-9

2-cyclohexylideneacetonitrile

sodium ethanolate
141-52-6

sodium ethanolate

1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

Conditions
ConditionsYield
at 25℃; Kinetics;
ethyl 2-cyano-2-cyclohexylideneacetate
6802-76-2

ethyl 2-cyano-2-cyclohexylideneacetate

1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

Conditions
ConditionsYield
With pyrex-glass at 510℃;
2-cyano-2-cyclohexylideneacetic acid
37107-50-9

2-cyano-2-cyclohexylideneacetic acid

1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

Conditions
ConditionsYield
under 50 Torr; bei der Destillation;
With pyridine; copper
With pyridine; nitric acid
at 165 - 175℃;
cyano-cyclohex-1-enyl-acetic acid
112005-21-7

cyano-cyclohex-1-enyl-acetic acid

1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

Conditions
ConditionsYield
under 90 Torr; durch Destillation;
cyclohexanone
108-94-1

cyclohexanone

cyanoacetic acid
372-09-8

cyanoacetic acid

1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

Conditions
ConditionsYield
With piperidine at 105℃;
With ammonium acetate; benzene Erhitzen des Reaktionsprodukts unter 35-45 Torr auf 165-175grad;
With ammonium acetate; benzene Erhitzen des Reaktionsprodukts unter 50-70 Torr auf 130-140grad;
2-cyclohexylideneacetonitrile
4435-18-1, 76293-17-9

2-cyclohexylideneacetonitrile

1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

Conditions
ConditionsYield
In N,N,N,N,N,N-hexamethylphosphoric triamide at 165℃; for 14h;
bromomalononitrile
1885-22-9

bromomalononitrile

cyclohexene
110-83-8

cyclohexene

1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

Conditions
ConditionsYield
(i) CH2N2, (ii) aq. HCl, AcOH; Multistep reaction;
2-(2-hydroxycyclohexyl)acetonitrile
90242-33-4

2-(2-hydroxycyclohexyl)acetonitrile

1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

Conditions
ConditionsYield
With acetic anhydride for 6h; Heating; Yield given;
Δ1-cyclohexenyl-acetamide

Δ1-cyclohexenyl-acetamide

1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

Conditions
ConditionsYield
With phosphorus pentachloride; trichlorophosphate
2-(cyanomethyl)cyclohexanone
42185-27-3

2-(cyanomethyl)cyclohexanone

1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: NaBH4 / methanol; H2O / 1 h / Ambient temperature
2: acetic anhydride / 6 h / Heating
View Scheme
cyclohexanone
108-94-1

cyclohexanone

acetonitrile
75-05-8

acetonitrile

A

2-cyclohexylideneacetonitrile
4435-18-1, 76293-17-9

2-cyclohexylideneacetonitrile

B

1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

Conditions
ConditionsYield
With potassium hydroxide Reflux;
methanol
67-56-1

methanol

1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

methyl 1-cyclohexene-1-acetate
53723-52-7

methyl 1-cyclohexene-1-acetate

Conditions
ConditionsYield
With sulfuric acid for 72h; Heating;99%
With sulfuric acid for 72h; Reflux;84%
With sulfuric acid Heating;
1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

2-(cyclohex-1-en-1-yl)acetaldehyde
42370-81-0

2-(cyclohex-1-en-1-yl)acetaldehyde

Conditions
ConditionsYield
With diisobutylaluminium hydride In toluene 1.) -78 deg C, 15 min, 2.) -78 deg C to r.t., 1 h, 3.) r.t., 1 h;98%
Multi-step reaction with 2 steps
1: Raney nickel; methanol; acetic acid / Hydrogenation
2: diethyl ether; HCl; water
View Scheme
1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

2-(1-cyclohexenyl)ethylamine
3399-73-3

2-(1-cyclohexenyl)ethylamine

Conditions
ConditionsYield
With sodium bis(2-methoxyethoxy)aluminium dihydride In tetrahydrofuran at 15℃; for 21h; Solvent; Inert atmosphere; Green chemistry;95%
With hydrogen In ethanol at 70℃; under 15001.5 Torr; Temperature; Pressure; Autoclave;91.8%
With lithium aluminium tetrahydride In di-isopropyl ether 1.) 5 deg C, 1 h, 2.) RT, 2 h;89.5%
1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

rac-3-bromocyclohexene
1521-51-3

rac-3-bromocyclohexene

2-(cyclohex-1-en-1-yl)-N-(cyclohex-2-en-1-yl)acetamide

2-(cyclohex-1-en-1-yl)-N-(cyclohex-2-en-1-yl)acetamide

Conditions
ConditionsYield
With water; silver trifluoromethanesulfonate at 0℃; for 1h; Ritter Amidation; chemoselective reaction;95%
1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

(+/-)-2-(7-oxabicyclo[4.1.0]heptyl)ethanenitrile
29625-35-2

(+/-)-2-(7-oxabicyclo[4.1.0]heptyl)ethanenitrile

Conditions
ConditionsYield
With 3-chloro-benzenecarboperoxoic acid In dichloromethane at 20℃;93%
1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

5-(cyclohexenylmethyl)-1H-tetrazole
1337922-05-0

5-(cyclohexenylmethyl)-1H-tetrazole

Conditions
ConditionsYield
With sodium azide In N,N-dimethyl-formamide at 120℃; for 14h;93%
1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

A

2-cyclohexylideneacetonitrile
4435-18-1, 76293-17-9

2-cyclohexylideneacetonitrile

B

2-(1-Cyclohexenyl)-3,3-pentamethylenglutarsaeuredinitril
38931-64-5

2-(1-Cyclohexenyl)-3,3-pentamethylenglutarsaeuredinitril

Conditions
ConditionsYield
With P(MeNCH2CH2)3N In methanol at 50℃; for 0.166667h;A 10%
B 90%
1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

1-cyclohexenylacetic acid
18294-87-6

1-cyclohexenylacetic acid

Conditions
ConditionsYield
With sodium hydroxide In water for 20h; Heating;85%
With potassium hydroxide Heating;75%
With sodium hydroxide In ethanol for 18h; Heating;74%
1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

1-cyclohexenylacetonitrile-d2

1-cyclohexenylacetonitrile-d2

Conditions
ConditionsYield
With [carbonylchlorohydrido{bis[2-(diphenylphosphinomethyl)ethyl]amino}ethylamino] ruthenium(II); potassium tert-butylate; water-d2 at 70℃; for 24h; Inert atmosphere;85%
1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

diphenyl acetylene
501-65-5

diphenyl acetylene

2-(cyclohex-1-en-1-ylmethyl)-3,4,5,6-tetraphenylpyridine

2-(cyclohex-1-en-1-ylmethyl)-3,4,5,6-tetraphenylpyridine

Conditions
ConditionsYield
With 1,4-di(diphenylphosphino)-butane; cobalt(II) iodide; zinc In N,N-dimethyl acetamide at 80℃; for 24h; Inert atmosphere;79%
1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

(cyclohex-1-en-1-yl)-CH2-CO-NH2
87143-30-4

(cyclohex-1-en-1-yl)-CH2-CO-NH2

Conditions
ConditionsYield
With dihydrogen peroxide; hexadecyltrimethylammonium methanesulfonate; sodium hydroxide In water at 25℃; for 1h;68%
With sulfuric acid; acetic acid
With sodium hydroxide; dihydrogen peroxide; dimethyl sulfoxide In methanol; water at 50℃; for 1h;95 % Spectr.
1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

mercaptoacetic acid
68-11-1

mercaptoacetic acid

(2-cyanomethylcyclohexylthio)acetic acid

(2-cyanomethylcyclohexylthio)acetic acid

Conditions
ConditionsYield
With azobisisobutyronitrile In acetic acid Irradiation;67%
1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

2-(7-azabicyclo[4.1.0]heptan-1-yl)acetonitrile

2-(7-azabicyclo[4.1.0]heptan-1-yl)acetonitrile

Conditions
ConditionsYield
With pyridine; bis{rhodium[3,3'-(1,3-phenylene)bis(2,2-dimethylpropanoic acid)]}; hydroxylamine-O-sulfonic acid at 25℃; for 2.5h; chemoselective reaction;59%
1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

2-oxo-6-cycloheptenecarbonitrile
190452-02-9

2-oxo-6-cycloheptenecarbonitrile

Conditions
ConditionsYield
Stage #1: 1-cyclohexenylacetonitrile With ozone In dichloromethane at -78℃;
Stage #2: With dimethylsulfide In dichloromethane at 20℃; for 36h; Inert atmosphere;
58%
With dimethylsulfide; toluene-4-sulfonic acid; ozone 1.) acetone, -78 deg C, 2.) CH2Cl2, room temperature, 5-30 h; Yield given. Multistep reaction;
2-aminopyridine
504-29-0

2-aminopyridine

1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

2-cyclohexenyl-N-(pyridin-2-yl)acetimidamide
1606181-81-0

2-cyclohexenyl-N-(pyridin-2-yl)acetimidamide

Conditions
ConditionsYield
Stage #1: 2-aminopyridine; 1-cyclohexenylacetonitrile at 80 - 90℃; for 0.5h;
Stage #2: With tin(IV) chloride at 100 - 110℃;
55%
bromobenzene
108-86-1

bromobenzene

1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

2-(cyclohex-1-en-1-yl)-1-phenylethan-1-one
1017-23-8

2-(cyclohex-1-en-1-yl)-1-phenylethan-1-one

Conditions
ConditionsYield
With bis(cyclopentadienyl)titanium dichloride; chloro-trimethyl-silane; [nickel(II)dichloride(dimethoxyethane)]; trifluoroacetic acid; 4,4'-di-tert-butyl-2,2'-bipyridine; zinc In 1,4-dioxane at 60℃; chemoselective reaction;55%
1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

pent-4-ynyl-1-azide
199276-58-9

pent-4-ynyl-1-azide

A

3-cyclohex-1-enylmethyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazole
1394843-48-1

3-cyclohex-1-enylmethyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazole

B

5,6-ddihydro-4H-pyrrolo[1,2-c][1,2,3]triazole
1394843-37-8

5,6-ddihydro-4H-pyrrolo[1,2-c][1,2,3]triazole

Conditions
ConditionsYield
With gold(III) chloride; methanesulfonic acid at 20℃; for 8h; Huisgen Cycloaddition; regioselective reaction;A 50%
B 13 %Spectr.
1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

(trifluoromethyl)trimethylsilane
81290-20-2

(trifluoromethyl)trimethylsilane

2-(7,7-difluorobicyclo[4.1.0]heptan-1-yl)acetonitrile

2-(7,7-difluorobicyclo[4.1.0]heptan-1-yl)acetonitrile

Conditions
ConditionsYield
With sodium iodide In tetrahydrofuran for 8h; Reflux;50%
1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

cyclohexanone
108-94-1

cyclohexanone

3-oxo-1,2,3,4,5,6,7,8-octahydroisoquinoline-1-spiro-1'-cyclohexane

3-oxo-1,2,3,4,5,6,7,8-octahydroisoquinoline-1-spiro-1'-cyclohexane

Conditions
ConditionsYield
With PPA at 100℃; for 0.25h;42%
1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

phenylmagnesium bromide

phenylmagnesium bromide

2-(cyclohex-1-en-1-yl)-1-phenylethan-1-one
1017-23-8

2-(cyclohex-1-en-1-yl)-1-phenylethan-1-one

Conditions
ConditionsYield
Stage #1: 1-cyclohexenylacetonitrile; phenylmagnesium bromide In diethyl ether for 3h; Heating;
Stage #2: With hydrogenchloride In tetrahydrofuran; diethyl ether at 0 - 20℃;
33%
(CO)4Fe(Si(CH3)2C6H4Si(CH3)2)

(CO)4Fe(Si(CH3)2C6H4Si(CH3)2)

1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

(CO)3Fe(C6H4Si(CH3)2N(Si(CH3)2)CHCHC6H9)
95192-88-4

(CO)3Fe(C6H4Si(CH3)2N(Si(CH3)2)CHCHC6H9)

Conditions
ConditionsYield
In hexane Irradiation (UV/VIS); inert atmosphere, soln. of the compounds irradiated for 44 h at room temp. (Hg-lamp); crystd. from hexane, elem. anal.;30%
1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

A

1-cyclohexene-1-carboxaldehyde
1192-88-7

1-cyclohexene-1-carboxaldehyde

B

C8H11NO
1096537-67-5

C8H11NO

Conditions
ConditionsYield
With selenium(IV) oxide In dichloromethane at 20℃; for 24h; Inert atmosphere;A 9%
B 30%
1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

benzaldehyde
100-52-7

benzaldehyde

A

1-phenyl-3-oxo-1,2,3,4,5,6,7,8-octahydroisoquinoline
80999-16-2

1-phenyl-3-oxo-1,2,3,4,5,6,7,8-octahydroisoquinoline

B

1-phenyl-3-oxo-1,2,3,5,6,7,8,8a-octahydroisoquinoline

1-phenyl-3-oxo-1,2,3,5,6,7,8,8a-octahydroisoquinoline

C

1-phenyl-3-oxo-1,2,3,4,6,7,8,8a-octahydroisoquinoline

1-phenyl-3-oxo-1,2,3,4,6,7,8,8a-octahydroisoquinoline

Conditions
ConditionsYield
With methanesulfonic acid; phosphorus pentoxide for 0.166667h; Ambient temperature; Yields of byproduct given;A 27%
B n/a
C n/a
With methanesulfonic acid; phosphorus pentoxide for 0.166667h; Ambient temperature; Yield given. Yields of byproduct given;A 27%
B n/a
C n/a
pyridine-4-carbonitrile
100-48-1

pyridine-4-carbonitrile

1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

A

(3-Pyridin-4-yl-cyclohex-1-enyl)-acetonitrile
100190-68-9

(3-Pyridin-4-yl-cyclohex-1-enyl)-acetonitrile

B

(6-Pyridin-4-yl-cyclohex-1-enyl)-acetonitrile
89344-81-0

(6-Pyridin-4-yl-cyclohex-1-enyl)-acetonitrile

Conditions
ConditionsYield
In acetonitrile for 1h; Product distribution; Mechanism; Irradiation; var. alkenes;A 7.6%
B 5.5%
In acetonitrile for 1h; Irradiation;A 7.6%
B 5.5%
1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

benzaldehyde
100-52-7

benzaldehyde

A

1-phenyl-3-oxo-1,2,3,4,5,6,7,8-octahydroisoquinoline
80999-16-2

1-phenyl-3-oxo-1,2,3,4,5,6,7,8-octahydroisoquinoline

B

1-phenyl-3-oxo-2,3,4,4a,5,6,7,8-octahydroisoquinoline

1-phenyl-3-oxo-2,3,4,4a,5,6,7,8-octahydroisoquinoline

C

1-phenyl-3-oxo-1,2,3,5,6,7,8,8a-octahydroisoquinoline

1-phenyl-3-oxo-1,2,3,5,6,7,8,8a-octahydroisoquinoline

Conditions
ConditionsYield
With PPA at 100℃; for 0.25h; Mechanism;A n/a
B 2%
C n/a
With PPA; Polyphosphoric acid (PPA) at 100℃; for 0.25h;A n/a
B 2%
C n/a
methyl magnesium iodide
917-64-6

methyl magnesium iodide

1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

1-cyclohexenylacetone
768-50-3

1-cyclohexenylacetone

Conditions
ConditionsYield
With toluene ether
piperonal
120-57-0

piperonal

1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

3-benzo[1,3]dioxol-5-yl-2-cyclohex-1-enyl-acrylonitrile

3-benzo[1,3]dioxol-5-yl-2-cyclohex-1-enyl-acrylonitrile

Conditions
ConditionsYield
With sodium ethanolate
ethanol
64-17-5

ethanol

1-cyclohexenylacetonitrile
6975-71-9

1-cyclohexenylacetonitrile

sodium ethanolate
141-52-6

sodium ethanolate

2-cyclohexylideneacetonitrile
4435-18-1, 76293-17-9

2-cyclohexylideneacetonitrile

Conditions
ConditionsYield
Kinetics; Isomerisierung;

1-Cyclohexene-1-acetonitrile Chemical Properties

IUPAC Name: 2-Cyclohexen-1-ylacetonitrile 
Following is the structure of 1-Cyclohexene-1-acetonitrile (CAS NO.6975-71-9):
                           
Empirical Formula: C8H11N
Molecular Weight: 121.1796 g/mol
EINECS: 230-235-6
Index of Refraction: 1.479
Molar Refractivity: 36.51 cm3
Molar Volume: 128.6 cm3 
Density: 0.941 g/cm3
Flash Point: 83.9 °C
Surface Tension: 35.4 dyne/cm
Enthalpy of Vaporization: 45.19 kJ/mol
Boiling Point: 215.6 °C at 760 mmHg
Vapour Pressure of 1-Cyclohexene-1-acetonitrile (CAS NO.6975-71-9): 0.147 mmHg at 25 °C 
Appearance of 1-Cyclohexene-1-acetonitrile (CAS NO.6975-71-9): Clear yellow to orange liquid
Canonical SMILES: C1CCC(=CC1)CC#N
InChI: InChI=1S/C8H11N/c9-7-6-8-4-2-1-3-5-8/h4H,1-3,5-6H2
InChIKey: OYEXEQFKIPJKJK-UHFFFAOYSA-N

1-Cyclohexene-1-acetonitrile Toxicity Data With Reference

 1-Cyclohexene-1-acetonitrile (CAS NO.6975-71-9) hasn't been listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.

1-Cyclohexene-1-acetonitrile Safety Profile

Hazard Codes: HarmfulXn,IrritantXi
Risk Statements: 20/21/22-36/37/38 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-27-36/37/39-36/37 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S27:Take off immediately all contaminated clothing. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S36/37:Wear suitable protective clothing and gloves.
RIDADR: 3276
WGK Germany: 3
Hazard Note: Irritant
TSCA: T

1-Cyclohexene-1-acetonitrile Specification

 1-Cyclohexene-1-acetonitrile , its cas register number is 6975-71-9. It also can be called Cyclohex-1-ene-1-acetonitrile ;  Cyclohexenylacetonitrile ; and 1-Cyclohexenylacetonitrile .
 1-Cyclohexene-1-acetonitrile (CAS NO.6975-71-9) should avoid the condition like incompatible materials. It is not compatible with strong oxidizing agents, strong reducing agents, strong acids, strong bases. And also prevent it to broken down into hazardous decomposition products: nitrogen oxides, carbon monoxide, carbon dioxide. However, its hazardous polymerization has not been reported.

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