IUPAC Name: 4-(Cyclohexen-1-yl)morpholine
Synonyms of Morpholine,4-(1-cyclohexen-1-yl)- (CAS NO.670-80-4): 1-(N-Morpholino)cyclohexene ; 1-Morpholin-1-ylcyclohexene ; 1-Morpholinocyclohexene ; 4-(1-Cyclohexen-1-yl)morpholine ; 4-(1-Cyclohexenyl)morpholine ; Morpholine, 4-(1-cyclohexen-1-yl)- ; N-Morpholino-1-cyclohexene
Molecular Structure:
Molecular Formula: C₁₀H₁₇NO
Molecular Weight: 167.25
CAS NO: 670-80-4
EINECS 211-579-6 
H bond acceptors: 2
H bond donors: 0
Freely Rotating Bonds: 1
Polar Surface Area: 12.47 Å²
Index of Refraction: 1.523
Molar Refractivity: 48.93 cm³
Molar Volume: 159.9 cm³
Surface Tension: 39.9 dyne/cm
Density: 1.045 g/cm³
Flash Point: 68.3 °C
Enthalpy of Vaporization: 48.69 kJ/mol
Boiling Point: 249.7 °C at 760 mmHg
Vapour Pressure: 0.0226 mmHg at 25°C 
Storage temp: 0-6°C 
Appearance: Clear colourless to light yellow liquid
Product Categories of Morpholine,4-(1-cyclohexen-1-yl)- (CAS NO.670-80-4): Aromatic Morpholines;Miscellaneous Compounds 
SMILES: O2CCN(/C1=C/CCCC1)CC2
InChI: InChI=1/C10H17NO/c1-2-4-10(5-3-1)11-6-8-12-9-7-11/h4H,1-3,5-9H2
InChIKey: IIQFBBQJYPGOHJ-UHFFFAOYAW
Std. InChI: InChI=1S/C10H17NO/c1-2-4-10(5-3-1)11-6-8-12-9-7-11/h4H,1-3,5-9H2
Std. InChIKey: IIQFBBQJYPGOHJ-UHFFFAOYSA-N

Safety information of Morpholine,4-(1-cyclohexen-1-yl)- (CAS NO.670-80-4):
Hazard Codes: Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39
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
F: 9