Application industries:
· Oxalic acid (CAS NO.144-62-7) is used as Bar Keeper's Friend, Zud, some bleaches, and rustproofing treatments,
· It is also used as an cadditive to automotive wheel leaners.
· It is used in platinotype, the early photographic Platinum/Palladium printing process.
· Oxalic acid is used as a rust remover in such applications as automotive shops and for the restoration of antiques, and as a recommended surface pretreatment for stainless steels (surface etch) before application of solid metal or polymer self-lubricating coatings.
· It is used for polishing stones and marble, and used in the acid treatment for destroying warts.