أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
There is no such chemical which is non hazardous. You need to conduct a through risk assessment and its better to consult the MSDS before considering any chemical "Non Hazardous". Wastes of certain chemicals can be non hazardous but there is no such chemical that is without hazard.
Correct me if I am wrong.
