N-(1-Cyclohexen-1-yl)morpholine

Synonym(s):4-(1-Cyclohexen-1-yl)morpholine

CAS NO.：670-80-4
Empirical Formula: C10H17NO
Molecular Weight: 167.25
MDL number: MFCD00006163
EINECS: 211-579-6
SAFETY DATA SHEET (SDS)
Update Date: 2025-07-24 18:13:50

N-(1-Cyclohexen-1-yl)morpholine Structural

What is N-(1-Cyclohexen-1-yl)morpholine?

Description

1-Morpholinocyclohexene (N-(1-Cyclohexen-1-yl)morpholine) falls under the category of organic compounds called morpholine class of heterocyclic amines. This colorless liquid possesses a distinct amine-like odor and displays remarkable versatility with widespread applications in multiple industries, including agrochemicals and cosmetics. Moreover, it is a valuable solvent, corrosion inhibitor, and integral component in lubricants[1].

Chemical properties

CLEAR COLOURLESS TO LIGHT YELLOW LIQUID

Synthesis Reference(s)

Synthesis, p. 529, 1984 DOI: 10.1055/s-1984-30893

References

[1] R. Nesi. “Reactions of 3,5-dimethyl-4-nitroisoxazole with cyclic enamines and 1-diethylaminopropyne.” Heterocycles 32 1 (1991): 1913–1921.

Properties of N-(1-Cyclohexen-1-yl)morpholine

Boiling point:	118-120 °C10 mm Hg(lit.)
Density	0.995 g/mL at 25 °C(lit.)
refractive index	n20/D 1.514(lit.)
Flash point:	155 °F
storage temp.	2-8°C
form	clear liquid
pka	6.33±0.20(Predicted)
color	Colorless to Light yellow to Light orange
BRN	118696
InChI	InChI=1S/C10H17NO/c1-2-4-10(5-3-1)11-6-8-12-9-7-11/h4H,1-3,5-9H2
CAS DataBase Reference	670-80-4(CAS DataBase Reference)
NIST Chemistry Reference	Morpholine, 4-(1-cyclohexen-1-yl)-(670-80-4)
EPA Substance Registry System	Morpholine, 4-(1-cyclohexen-1-yl)- (670-80-4)

Safety information for N-(1-Cyclohexen-1-yl)morpholine

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.