1,8-NAPHTHALIC ACID
1,8-NAPHTHALIC ACID
CAS: 518-05-8
Molecular Formula: C12H8O4
1,8-NAPHTHALIC ACID - Names and Identifiers
1,8-NAPHTHALIC ACID - Physico-chemical Properties
| Molecular Formula | C12H8O4 |
| Molar Mass | 216.19 |
| Density | 1.3023 (rough estimate) |
| Melting Point | 270° |
| Boling Point | 316.6°C (rough estimate) |
| pKa | 2.25±0.10(Predicted) |
| Refractive Index | 1.7080 (estimate) |
| Physical and Chemical Properties | Brown-yellow needle-like crystals. Melting point 269-270(274 ℃). Soluble in ether, dilute lye and sulfuric acid, with yellow and blue fluorescence. Insoluble in water. |
1,8-NAPHTHALIC ACID - References
| Use | as an intermediate for dye pesticides. |
| production method | with industrial tungsten as raw material, using cobalt as catalyst, through gas phase air oxidation to 1,8-naphthalene dicarboxylic anhydride, and then obtained by hydrolysis. |
Last Update：2024-04-10 22:29:15
