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Cas Database |
| Name |
2,3-Cyclopentenopyridine |
EINECS | 208-564-1 |
| CAS No. | 533-37-9 | Density | 1.066 g/cm3 |
| PSA | 12.89000 | LogP | 1.57030 |
| Solubility | N/A | Melting Point |
117 °C |
| Formula | C8H9N | Boiling Point | 212.2 °C at 760 mmHg |
| Molecular Weight | 119.166 | Flash Point | 67.2 °C |
| Transport Information | N/A | Appearance | clear colorless to brownish liquid |
| Safety | 26-36 | Risk Codes | 36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
 Xi
|
| Synonyms |
6,7-Dihydro-5H-cyclopenta(b)pyridine;CPP;5H-Cyclopenta[b]pyridine,6,7-dihydro-; |
Article Data | 38 |
2,3-Cyclopentenopyridine Chemical Properties
IUPAC Name: 6,7-Dihydro-5H-cyclopenta[b]pyridine
Synonyms of 2,3-Cyclopenopyridine (CPPY) (CAS NO.533-37-9): 6,7-Dihydro-5H-cyclopenta(b)pyridine
CAS NO: 533-37-9
Molecular Formula: C8H9N
Molecular Weight: 119.16
Molecular Structure: 
EINECS: 208-564-1
H bond acceptors: 1
H bond donors: 0
Freely Rotating Bonds: 0
Polar Surface Area: 12.89Å2
Index of Refraction: 1.567
Molar Refractivity: 36.51 cm3
Molar Volume: 111.7 cm3
Surface Tension: 43.8 dyne/cm
Density: 1.066 g/cm3
Flash Point: 67.2 °C
Enthalpy of Vaporization: 43.02 kJ/mol
Boiling Point: 212.2 °C at 760 mmHg
Vapour Pressure: 0.255 mmHg at 25°C
Appearance: clear colorless to brownish liquid
Product Categories of 2,3-Cyclopenopyridine (CPPY) (CAS NO.533-37-9): Pyridines derivates;API intermediates
SMILES: n1cccc2c1CCC2
InChI: InChI=1/C8H9N/c1-3-7-4-2-6-9-8(7)5-1/h2,4,6H,1,3,5H2
InChIKey: KRNSYSYRLQDHDK-UHFFFAOYAU
Std. InChI: InChI=1S/C8H9N/c1-3-7-4-2-6-9-8(7)5-1/h2,4,6H,1,3,5H2
Std. InChIKey: KRNSYSYRLQDHDK-UHFFFAOYSA-N
2,3-Cyclopentenopyridine Safety Profile
Safety Information about 2,3-Cyclopenopyridine (CPPY) (CAS NO.533-37-9):
Hazard Codes: 
Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36: Wear suitable protective clothing.
WGK Germany: 3
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