254-79-5
254-79-5 structure
- Name: 1,5-Naphthyridine
- Chemical Name: 1,5-naphthyridine
- CAS Number: 254-79-5
- Molecular Formula: C8H6N2
- Molecular Weight: 130.147
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Pyridine derivative
- Create Date: 2018-06-16 09:26:37
- Modify Date: 2025-08-20 13:35:33
| Name | 1,5-naphthyridine |
|---|---|
| Synonyms |
1,5-Pyridopyridine
Pyrido[1,5-b]pyridine 1,5-diazanaphthyridine 1,5-Diazanaphthalene [1,5]naphthyridine naphthyridine 1,5-naphthiridine MFCD00039727 1,5-Naphthyridine pyridopyridine 1,5-naphtyridine |
| Density | 1.2±0.1 g/cm3 |
|---|---|
| Boiling Point | 248.9±13.0 °C at 760 mmHg |
| Melting Point | 74ºC |
| Molecular Formula | C8H6N2 |
| Molecular Weight | 130.147 |
| Flash Point | 107.8±11.1 °C |
| Exact Mass | 130.053101 |
| PSA | 25.78000 |
| LogP | 0.55 |
| Vapour Pressure | 0.0±0.5 mmHg at 25°C |
| Index of Refraction | 1.653 |
| Symbol |
GHS05, GHS07 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H302-H315-H318-H335 |
| Precautionary Statements | P261-P280-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Faceshields;Gloves |
| Hazard Codes | Xn |
| Risk Phrases | R22;R37/38;R41 |
| Safety Phrases | S26-S36/37/39-S39 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3.0 |
| HS Code | 2933990090 |
|
~82%
254-79-5 |
| Literature: Chunavala, Kaushik C.; Adimurthy, Subbarayappa Synthetic Communications, 2011 , vol. 41, # 12 p. 1843 - 1851 |
|
~%
254-79-5 |
| Literature: US3960876 A1, ; |
|
~23%
254-79-5 |
| Literature: Tetrahedron Letters, , vol. 38, # 43 p. 7499 - 7502 |
|
~%
254-79-5 |
| Literature: Journal of Organic Chemistry, , vol. 69, # 21 p. 7171 - 7182 |
|
~%
254-79-5 |
| Literature: Journal of Organic Chemistry, , vol. 69, # 21 p. 7171 - 7182 |
| Precursor 3 | |
|---|---|
| DownStream 10 | |
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |