Hi zzeuss,
The last I recall, the Myrbacka uses continuous pour Dunlop from Mountain Top, which would be Oeko-Tex certified. But suppliers can change quickly, so I may not be correct on that. But most latex you find would pass Oeko-Tex standards. As you’re aware, Ikea doesn’t list certifications or suppliers on their site for this model.
Regarding odor with Ikea mattresses, from an earlier post in this thread:
There is more about the smell of latex in post #2 here but the latex in your mattress has been certified by Oeko-Tex for harmful substances and VOC’s so at least you have the assurance that the smell and offgassing isn’t harmful although some people can still be sensitive to it and you aren’t the only one that has mentioned the smell of one of the Ikea latex mattresses (see here).
Not all VOCs have odors, and just because something has an odor doesn’t mean it is a VOC.
There’s a common reference post listed ere regarding things that are “safe enough”. Here it is:
There is more about the different types of organic and safety certifications such as Oeko-tex, Eco-Institut, Greenguard Gold, C2C, and CertiPUR-US in post #2 here and more about some of the differences between organic and safety certifications in post #2 here and there are also some comments in post #42 here that can help you decide whether an organic certification is important to you for environmental, social, or personal reasons or whether a “safety” certification is enough.
I hope that helps you out!
Jeff Scheuer, The Beducator
Beducation / Mattress To Go