Is Melamine safe for soap-making?

[Cellador]

Are Melamine containers safe to use for soap making? I keep finding all these articles on how terrible it is if you consume it...but will a lye solution cause leaching? How about for leave on products, like lotions and such?

 

[Relle]

Not sure for soap making, but given I have mixing bowls for the kitchen, they have stained terribly, like it is porous and that's just mixing cakes or eggs, so I wouldn 't take the chance.