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Teach Soap • View topic - Fragrance Flash Points and Cold Process Soaping...

Teach Soap

Soap Making Recipes, Tips and Tutorials
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PostPosted: Wed Aug 12, 2015 10:03 pm 

Joined: Wed Mar 19, 2014 1:40 pm
Posts: 80
I am paying much more attention to the flash points of specific fragrance oils, and just came across one with a very low flash point: 120 degrees F (Nature's Garden/Mulberry). Isn't this rather low? Considering a cold process batch could easily be 130 F or more...how is using a fragrance like this not a problem? Is this an indication this fragrance will fade rather quickly due to having such a low flash point?

Seems kinds low when most fragrances have flashpoints around 200 F.

Thoughts?


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PostPosted: Thu Aug 13, 2015 8:20 am 
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Joined: Sat Dec 11, 2010 7:14 am
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Location: Jefferson City, TN
The flashpoint of a fragrance or essential oil is really only there for shipping purposes. The flashpoint is "the lowest temperature at which a liquid will give off sufficient vapor to ignite momentarily on application of a flame." Oils with a flashpoint lower than 200 degrees have to be shipped ground.

It doesn't have anything to do with the temps in your soap.

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Linda
I know the voices in my head aren't real, but they sure have some great ideas!



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PostPosted: Thu Aug 13, 2015 11:15 am 
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Closed minds are like faulty parachutes; they refuse to open.


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PostPosted: Fri Aug 14, 2015 7:34 am 

Joined: Wed Mar 19, 2014 1:40 pm
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THANKS! LOL, wish I had seen this last night while making lotion batch #3.... (about face...now we are talking lotion)

I was concerned about this so was waiting for the temp to drop to 120 or so....had already added Germaben at just under 140. I'm watching this stuff get thicker and thicker. Took a bit of extra mixing to get the fragrance blended, but damn, would have been much easier at the higher temps when it was more liquid.

I am not concerned about actual combustion, maybe I was not clear - my issue was: does heating the fragrance above flash point start degrading any chemical bonds ect...so that you end up with a morphed fragrance that doesn't smell quite right, like something is "off" about it.

But I guess not! Well that will go easier the next lotion session. I am lucky I got this into the bottles (with some extra nudging).

Again, thank you wise teachers.


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PostPosted: Mon Aug 17, 2015 9:08 am 
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