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Can ice cube trays release toxic substances like BPA?

omega3

omega3

Senior member
Bought an ice cube tray in very flexible material (synthetic rubber or silicone i think) in a decent store but not too much info on the package aside from "made in china" which is always something to be careful about. It doesn't mention if it is BPA free or not.

So now I was wondering if I use this to make ice cubes so fill with water, put in freezer, if this can release toxic substances like BPA if i put these cubes in my drinks and if the level could be high enough to be dangerous?

I will first put it in the dishwasher for hygiene so i hope the heat from that can't make it release toxins afterwards?

Thanks for all good feedback.
 
There is no way to know without information that you do not have....

If you really have doubts, don't use it.
 
My point was more if cold temperatures (freezer) can release something like BPA or is this only with heating at a certain temp?
 
Chemicals can be released under cold temperatures, but generally not as much as hot. I wouldn't spend a lot of time worrying about it. You probably injest more carcinogens/mutagens/whatever walking next to a road. In the future, give more consideration to your purchases.
 
I was searching if BPA can dissolve in water but can't find a clear answer. It can dissolve in "alkaline foods" so not sure if tap water falls into that category?
 
Well, if it requires alkalinity to dissolve, you need to know if your water is perfectly neutral, slightly acidic, or slightly basic. What's the pH of your water?
 
The silicone cover is fine. It's the tray I would be worried about. I would not use it. The bleach in tap water will catalyze the release of BPA from your ice tray causing metal retardation and reproductive issues later on.



j/k j/k
 
I don't currently have any ice cube trays to look at, but what I remember of the feel and flexibility points to polypropylene or polyethylene.

I think polycarbonate is the most common one with the BPA issue, and I wouldn't expect PC to be used in ice cube trays. Polypropylene would be nice because very few things stick to it, and some of the polyethylenes are fairly flexible.
 
I've always wondered why ice cube trays always have a very strong smell/stink to them. Whether that's the materials they use (which has to be flexible when very cold or it will crack), or if they pick up those odors in the freezer. The ice cubes seem fine.
 
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