Did you actually read those Safety Data Sheets? If you did, you would have known that there are no carcinogenic properties for graphene oxide. Do you know why it's not carcinogenic? Graphene oxide is also graphite. You're telling me graphite is carcinogenic? Are you going to tell me next that diamonds are also carcinogenic? They are all forms of carbon that will oxidize on their surfaces. Oxidized carbon, hmm, that sounds familiar...like CARBON FUCKING DIOXIDE! I guess breathing is carcinogenic, according to you.