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Cas Database |
| Name |
1,2,3,4-Tetrahydroquinolin-2-one |
EINECS | 621-863-5 |
| CAS No. | 553-03-7 | Density | 1.142 g/cm3 |
| PSA | 29.10000 | LogP | 1.70930 |
| Solubility | Slightly soluble in water. | Melting Point |
165-167 °C |
| Formula | C9H9NO | Boiling Point | 328.1 °C at 760 mmHg |
| Molecular Weight | 147.177 | Flash Point | 189.4 °C |
| Transport Information | N/A | Appearance | Off-white crystalline powder |
| Safety | 26-36/37 | Risk Codes | 22-36/37/38-43 |
| Molecular Structure |
|
Hazard Symbols |
 Xn
|
| Synonyms |
Carbostyril,3,4-dihydro- (7CI,8CI);Hydrocarbostyril (6CI);1,2,3,4-Tetrahydro-2(1H)-quinolinone;1,2,3,4-Tetrahydro-2-oxoquinoline;1,2,3,4-Tetrahydroquinolin-2-one;2-Oxo-1,2,3,4-tetrahydroquinoline;3,4-Dihydro-1H-quinolin-2-one;3,4-Dihydro-2(1H)-quinolone;3,4-Dihydro-2-quinolinol;3,4-Dihydro-2-quinolinone;3,4-Dihydro-2-quinolone;3,4-Dihydrocarbostyril;3,4-Dihydroquinolin-2(1H)-one;NSC 49170;o-Aminohydrocinnamic acid lactam;3,4-Dihydro-2(1H)-quinolinone; |
Article Data | 19 |
1,2,3,4-Tetrahydroquinolin-2-one Chemical Properties
IUPAC Name: 3,4-Dihydro-1H-quinolin-2-one
Systematic of 2(1H)-Quinolinone,3,4-dihydro- (CAS NO.553-03-7): Hydrocarbostyril ; 2-Oxo-1,2,3,4-tetrahydroquinoline ; 3,4-Dihydro-2-quinolinol ; 3,4-Dihydrocarbostyril ; Hydrocarbostyril ; NSC 49170 ; o-Aminohydrocinnamic acid lactam ; Carbostyril, 3,4-dihydro- (VAN) (8CI)
CAS NO: 553-03-7
Molecular Formula of 2(1H)-Quinolinone,3,4-dihydro- (CAS NO.553-03-7): C9H9NO
Molecular Weight: 147.1739
Molecular Structure:
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Melting Point: 165-167 °C
H bond acceptors: 2
H bond donors: 1
Polar Surface Area: 20.31 Å2
Index of Refraction: 1.564
Molar Refractivity: 41.9 cm3
Molar Volume: 128.7 cm3
Surface Tension: 41 dyne/cm
Density of 2(1H)-Quinolinone,3,4-dihydro- (CAS NO.553-03-7): 1.142 g/cm3
Flash Point: 189.4 °C
Enthalpy of Vaporization: 57.04 kJ/mol
Boiling Point: 328.1 °C at 760 mmHg
Vapour Pressure: 0.000194 mmHg at 25°C
1,2,3,4-Tetrahydroquinolin-2-one Safety Profile
Hazard Codes: 
Xn,
Xi
Risk Statements: 22-36/37/38-43
R22: Harmful if swallowed.
R36/37/38: Irritating to eyes, respiratory system and skin.
R43: May cause sensitization by skin contact.
Safety Statements: 26-36/37
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37: Wear suitable protective clothing and gloves.
RIDADR: 2811
WGK Germany: 2
Hazard Note: Irritant
HazardClass: 6.1(b)
PackingGroup: III
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