Supposedly acetone does not react with aluminum, but something sure did. I had used the bath container before and it may have had some engine oil residue when I added acetone.Click to see full answer. Correspondingly, is acetone safe for aluminum?Acetone is fine. Lacquer thinner is a step back from acetone; not quite as aggressive but works well for cleaning most anything gooey. Both evaporate completely, leaving no residue. Neither will penetrate, stain or otherwise damage aluminum.Similarly, will acetone damage anodized aluminum? Acetone won’t harm anodized aluminum..matter fact we use acetone at work to clean anodized aluminum in one of our assembly processes. Furthermore, does acetone react with metal? Acetone will not damage metal.Can you paint thinner on aluminum?Paint thinner won’t eat aluminum but it’ll sure mess with you, read the label and follow the safety precautions carefully.