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| 1,8-Naphthalic anhydride Basic information |
| 1,8-Naphthalic anhydride Chemical Properties |
| Melting point | 269 °C | | Boiling point | 295.48°C (rough estimate) | | density | 1.2571 (rough estimate) | | vapor pressure | 0Pa at 25℃ | | refractive index | 1.5550 (estimate) | | Fp | 272 °C | | storage temp. | Store below +30°C. | | solubility | Chloroform (Slightly, Heated), DMSO | | form | Powder | | color | Beige to light brown | | Water Solubility | decomposes | | Sensitive | Moisture Sensitive | | BRN | 153190 | | LogP | 3.24 | | Surface tension | 72.5mN/m at 1.3mg/L and 20℃ | | CAS DataBase Reference | 81-84-5(CAS DataBase Reference) | | NIST Chemistry Reference | 1,8-Naphthalic anhydride(81-84-5) | | EPA Substance Registry System | 1,8-Naphthalic anhydride (81-84-5) |
| 1,8-Naphthalic anhydride Usage And Synthesis |
| Chemical Properties | BEIGE TO LIGHT BROWN POWDER | | Uses | Dyestuffs, organic synthesis in general. | | Uses | 1,8-Naphthalic anhydride is used as a seed protectant and to prepare dyestuffs and optical brighteners. It is used in the preparation of napthalimide analogues, which finds application as anticancer agents. Further, it is used as fluorescent brightening agent for polymeric materials. | | Purification Methods | Extract it with cold aqueous Na2CO3 to remove free acid, then crystallise from acetic anhydride. [Beilstein 17 III/IV 6392, 17/11 V 492.] |
| 1,8-Naphthalic anhydride Preparation Products And Raw materials |
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