Basic information
- Name:
1,5-Naphthyridine
- CAS No.:
254-79-5
- Molecular Structure:

- Formula:
- C8H6N2
- Molecular Weight:
- 130.15
- Synonyms:
- 1,5-Diazanaphthalene;1,5-Pyridopyridine;
- Density:
- 1.183 g/cm3
- Melting Point:
- 74 °C
- Boiling Point:
- 248.9 °C at 760 mmHg
- Flash Point:
- 107.8 °C
- Hazard Symbols:
Xn- Risk Codes:
- 36/37/38-41-37/38-22
- Safety Description:
- 26-36/37/39-39 Details
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Chemistry
Molecular Structure of 1,5-Naphthyridine (CAS NO.254-79-5):

IUPAC Name: 1,5-naphthyridine
Molecular Formula: C8H6N2
Molecular Weight: 130.15g/mol
H bond acceptors: 2
H bond donors: 0
Freely Rotating Bonds: 0
Polar Surface Area: 25.78Å2
Index of Refraction: 1.653
Molar Refractivity: 40.27 cm3
Molar Volume: 109.9 cm3
Surface Tension: 54.8 dyne/cm
Enthalpy of Vaporization: 46.64 kJ/mol
Vapour Pressure: 0.0374 mmHg at 25°C
Melting Point: 74°C
Boiling point: 248.9 °C at 760 mmHg
Flash Point: 107.8 °C
Density: 1.183 g/cm3
InChI
InChI=1/C8H6N2/c1-3-7-8(9-5-1)4-2-6-10-7/h1-6H
Smiles
n1c2c(nccc2)ccc1
Product Categories: Pyridine; N-Containing; Heterocyclic Building Blocks; Others
Safety Profile
Safety Information of 1,5-Naphthyridine (CAS NO.254-79-5):
Hazard Codes: Xn![]()
Risk Statements: 36/37/38-41-37/38-22
22: Harmful if swallowed
36: Irritating to the eyes
37: Irritating to the respiratory system
38: Irritating to the skin
41: Risk of serious damage to eyes
Safety Statements: 26-36/37/39-39
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
37: Wear suitable gloves
39: Wear eye/face protection
Specification
1,5-Naphthyridine , with CAS number of 254-79-5, can be called 1,5-Naphthyridine ; 1,5-Diazanaphthalene ; Pyrido[1,5-B]pyridine ; 1,5-Pyridopyridine ; 1,5-Naphthyridine(6ci,8ci,9ci) ; Pyrido[3,2-B]pyridine .

