From: Brian Mueller <boulderlabsafetyconsulting**At_Symbol_Here**>
Subject: Re: [DCHAS-L] LETTER: Beware of flammable chemical in wood stain, shed caught fire
Date: Thu, 13 Jul 2017 13:11:26 -0600
Reply-To: Brian Mueller <boulderlabsafetyconsulting**At_Symbol_Here**>
Message-ID: 1504783506.76364.1499973086103**At_Symbol_Here**


Tung oil has high levels of a conjugated triene, α-eleostearic acid (9-cis,11-trans,13-trans-octadecatrienoic acid).  Linseed (flaxseed) oil, has high levels of a methylene interrupted triene, α-linolenic acid (9-cis,12-cis,15-cis-octadecatrienoic acid).  The tung tree originates in southern China.  Flax seed is believed to have originated in the Republic of Georgia.  Distant cousins at best!

Kind Regards,

Brian Mueller, CHO
Boulder Lab Safety Consulting LLC


On July 12, 2017 at 9:30 AM "Debbie M. Decker" <dmdecker**At_Symbol_Here**UCDAVIS.EDU> wrote:

Monona Rossol wrote:

There's your fuel and the fire-starter, PLAIN OLD TUNG OIL.  All these "natural" plant-derived setting oils will do this.




Is this a cousin of linseed oil, well-known self-combustible?



Debbie M. Decker, CCHO, ACS Fellow

Past Chair, Division of Chemical Health and Safety

University of California, Davis





Birkett's hypothesis: "Any chemical reaction

that proceeds smoothly under normal conditions,

can proceed violently in the presence of an idiot."





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