Even if they are, that doesn't mean they're safer
https://www.epa.gov/sciencematters/are-bpa-substitutes-any-s...
That study looked at 6 similar plasticizers.
The alternative chemicals for thermal paper are totally different. That's not to say that they are guaranteed safe, but that study is inapplicable.
E.g. one type of paper claims to use Ascorbic Acid (vitamin C). No idea what else is in it of course, but it's not a BGA-analogue plasticizer.
alt Hacker News
That study looked at 6 similar plasticizers.
The alternative chemicals for thermal paper are totally different. That's not to say that they are guaranteed safe, but that study is inapplicable.
E.g. one type of paper claims to use Ascorbic Acid (vitamin C). No idea what else is in it of course, but it's not a BGA-analogue plasticizer.