<p>
Physical Properties:</p>
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Melting Point </td>
<td>
17-19 °C (lit.)</td>
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Boiling Point</td>
<td>
167 °C/10 mmHg (lit.)</td>
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Density</td>
<td>
1.475-1.485 g/mL at 20 °C 1.481 g/mL at 25 °C (lit.)</td>
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Vapour density</td>
<td>
3.3 (vs air)</td>
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Vapour Pressure </td>
<td>
1 mm Hg ( 20 °C)</td>
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Refractive index</td>
<td>
n<frac type="vertical">20/D</frac> 1.429(lit.)</td>
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Flash Point</td>
<td>
>230 °F</td>
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Storage temprature</td>
<td>
2-8°C</td>
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Solublity</td>
<td>
Water soluble1,000 g/L at 20°C</td>
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pKa</td>
<td>
-2.6(at 25℃)</td>
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form</td>
<td>
Solution</td>
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Colour</td>
<td>
Brown</td>
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<td style="text-align: justify;">
Specific gravity</td>
<td>
1.48 (18/4℃)</td>
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Water solublity</td>
<td>
Miscible with water. Slightly miscible with benzene and toluene. Immiscible with paraffins<span style="color: rgb(51, 51, 51); font-family: Arial, Helvetica, sans-serif; font-size: 14px;">.</span></td>
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