Handan Jinghao Chemical Co., Ltd
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Refined Naphathalene And Crude Naphathalene White Flake China Manufacturer
Refined naphathalene white crystal is volatile, has a mild aroma, crude naphthalene coal tar smell; The vapor pressure of 0.13 kPa/flash point 0.13:80; Boiling point melting point 80.1 217.9; Insoluble in water, soluble in ether, benzene, anhydrous ethanol relative density 1.16 (water = 1); Relative density (air = 1) 4.42; Stability: stable. Danger tags: 8 (flammable solid); Main application: used in the manufacture of dyes intermediates leather wood protective agent, etc
Refined naphthalene
GB/T6699-1998
| Items | Standard | Test result |
| Apperance | It should be white flake | White flake |
| Crystalliza point ℃ | ≥79.6 | 79.7 |
| Ash % | ≤0.006% | 0.008 |
| Nonvolatile matter % | ≤0.02 | 0.02 |
| Purity % | ≥99 | 99.13 |
