OPTIM™ Synthetic Glycerine - Heat of Solution

When glycerine is dissolved in water at a temperature of 0°C (32°F), there is a slight rise in temperature that reaches a maximum of about 5°C (41°F) when 58% by weight of glycerine is used.

The maximum amount of heat (though not the greatest rise in temperature) is obtained when the glycerine is dissolved in a large excess of water. If the glycerine is not anhydrous, some of its heat of solution will already have been dissipated. Correspondingly, smaller amounts of heat will be produced by further dilution.

Temperature Rise

Temperature Rise on Mixing Glycerine and Water (12KB PDF)

Molar Heat

Molar Heat of Solution of Glycerine (12KB PDF)

Molar Heat of Solution of Glycerine
Initial Concentration of Glycerine
Moles of H₂O per Mole Glycerine	% H₂O	Molar Heat of Solution, cal (Joules)
0.000	0.00	1381 (6647)
0.164	3.11	1329 (6396)
0.304	5.62	1261 (6069)
0.684	11.81	1140 (5487)
1.633	24.21	962 (4630)
2.866	35.93	788 (3793)
3.711	42.07	705 (3393)
4.564	47.17	615 (2960)