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Posted by
Michael Ward

Calculating flash point for solvent mixture

Good Afternoon,

I admittedly don't have a great chemistry background, but need to understand the best way to calculate flash point for a few mixtures of which I am authoring safety data sheets. Most chemicals I am authoring these for I am able to simply copy my suppliers safety data sheet, but we mix 2 or 3 chemicals in house which I will need to know this calculation for in order to classify properly.

One example is I have a mixture where 58% is water, 12% is ethanol, and then there are some small percentages of other chemicals. The ethanol is the only chemical rated as a flammability hazard under the GHS.

Can anyone point me in the right direction?

Thanks!