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Molecular formula: |
C10H8
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Structural formula: |
 |
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Molecular weight: |
128.17 |
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CAS NO.: |
91-20-3 |
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Appearance: |
white flake or powder crystal |
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crystallization point: |
≥ 79.6ºC(first grade), ≥79.3(second level) |
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invalatile substance: |
≤ 0.02 |
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ash: |
≤ 0.006(first grade), ≤0.008(second level) |
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vitriol reaction standard colour comparison: |
4No. Max |
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Melting point: |
79-82 ºC |
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Boiling point: |
218 ºC |
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Density: |
0.99 |
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Flash point: |
78 ºC |
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Packing: |
25KG plastic weaving bag or paperboard barrel
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Use: |
dye intermediates and mothball |
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Refined Naphthalene