Diethyl Ether, ACS, 99+%, 30ml (for Photographic Applications) By ordering this chemical you agree that you are least 21 and that you understand this is for research and development purposes only. This product is not for drug, human, animal, or food use (See Disclaimer). If you purchase this with the intent of an illegal use and we are contacted by enforcement agencies, we will divulge your identity to them. Please put your Intended Use for this product in the comment section. Specifications: Assay 99+% Color, APHA <10 Residue after Evaporation <10 ppm Titrable Acid <0.0002 meq/g Carbonyl (as HCHO) <0.001% Peroxide (as H2O2) <1 ppm Stabilizer (BHT) 5 ppm min. Ethanol <0.05% Water <0.03% CAS: 60-29-7 FORMULA: (CH3CH2)2O