Ethyl formate (CAS 109-94-4). Used as a solvent for cellulose nitrate, cellulose acetate, greases, and a substitute for acetone Ethyl ... FormateIUPAC name: Ethyl formate Systematic name: Ethyl methanoateIdentifiers CAS number: 109-94 ... is used as a solvent for cellulose nitrate, cellulose acetate, oils, and greases. It can be used as ...