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Physical properties of formaldehyde solution

Release time: 2019-11-12
Formaldehyde is easy to dissolve in water. The dissolution process is exothermic reaction. The amount of heat does not depend on the concentration of the solution. Formaldehyde aqueous solution is a colorless and transparent liquid with strong odor, and its boiling point basically does not change with the change of its solution concentration. Under standard or local atmospheric pressure, the boiling point of formaldehyde aqueous solution containing formaldehyde below 55% (wt.) is between 99 and 100 . The boiling point of 25% (wt.) formaldehyde aqueous solution is 99.1 , while that of 35% (wt.) formaldehyde aqueous solution is 99.9 .
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