Hydroxynaphthoic acid may refer to any of several isomers.[1]
| Compound | Registry number (RN) | melting point (°C) |
|---|---|---|
| 2-Hydroxy-1-naphthoic acid | 2283-08-1 | 156–157 |
| 3-Hydroxy-1-naphthoic acid | 19700-42-6 | 248 – 249 |
| 4-Hydroxy-1-naphthoic acid | 7474-97-7 | 188 – 189 |
| 5-Hydroxy-1-naphthoic acid | 2437-16-3 | 236 |
| 6-Hydroxy-1-naphthoic acid | 2437-17-4 | 213 |
| 7-Hydroxy-1-naphthoic acid | 2623-37-2 | 256 |
| 8-Hydroxy-1-naphthoic acid | 1769-88-6 | 169 |
| 1-Hydroxy-2-naphthoic acid | 86-48-6 | 200 |
| 3-Hydroxy-2-naphthoic acid | 92-70-6 | 222 |
| 4-Hydroxy-2-naphthoic acid | 1573-91-7 | 225 – 226 |
| 5-Hydroxy-2-naphthoic acid | 2437-18-5 | 215 – 216 |
| 6-Hydroxy-2-naphthoic acid | 16712-64-4 | 245 – 248 |
| 7-Hydroxy-2-naphthoic acid | 613-17-2 | 274 |
| 8-Hydroxy-2-naphthoic acid | 5776-28-3 | 229 |
References
edit- ^ Gerald Booth (2005). "Naphthalene Derivatives". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a17_009. ISBN 9783527303854..