February 5, 2019 Recommended Storage Groups for Common Chemicals CHEMICAL Group Ethers L (K3PO4) 1-Butanol or 2-butanol L Ethidium bromide G Propionic acid D 1-Propanol L Ethyl acetate L Propylene oxide L 2-Mercaptoethanol L Ethylene glycol L Pump oil L Acetic acid, glacial D Ficoll G Pyridine A (flammable) Formaldehyde L SDS (Sodium dodecyl L Acetic anhydride X Formamide L sulfate) (in solution: G) (in THF or acetone: L) Formic Acid (≥85%) D Sigmacote L Acetone L Glutaraldehyde G Sodium acetate G Acetonitrile L Glycerol L Sodium azide X Acetaldehyde L Glycine G Sodium bicarbonate G Acrolein X Guanidine hydrochloride G Sodium bisulfate G Acrylamide G Guanidinium thiocyanate C Sodium bisulfite G Agarose G Halothane, isoflurane G Sodium borate G Ammonium acetate G HEPES G Sodium borohydride B Ammonium chloride G Hexanes L Sodium carbonate G Ammonium formate G Hydrochloric acid F Sodium chlorate E Ammonium hydroxide C Hydrogen peroxide, > 5% E Sodium chloride (NaCl) G Ammonium nitrate E Hydrogen peroxide, < 5% G Sodium citrate dihydrate G Ammonium persulfate E Imidazole A Sodium dichromate E Ammonium sulfate G Isobutyl alcohol L dihydrate Ammonium sulfide L Isopentane L Sodium hydroxide (NaOH) C Benzene L Isopropanol L Sodium hypochlorite E Benzyl chloride B Lithium hydroxide C Sodium hypochlorite E Benzoic acid D Magnesium chloride G solution (i.e. bleach) BIS/Bis-acrylamide G Magnesium sulfate G Sodium phosphate G BIS-TRIS A Maleic acid D Sodium sulfide, anhydrous B BIS-TRIS-HCl G Methanol L Succinic acid D Borax G N-Methyl-2-pyrrolidone L Sucrose G Boric acid G N,N-Dimethylformamide L Sulfuric acid I Calcium chloride G Nitric acid I Tannic acid G Chloroform G p-Dioxane L TEMED A Chromic acid I Paraformaldehyde L TES free acid G Citric acid D Perchloric acid I Tetracycline G Coomassie Blue G Periodic acid I Tetrahydrofuran L Dextrose G Permount L Trichloroacetic acid D Dichloromethane L Phenol (solid) G Trifluoroacetic acid D Diethylamine (flammable) A Phenol (liquid, ≤ 89% L Toluene L Diethyl pyrocarbonate L phenol) Triethanolamine A (DEPC) Phosphoric acid F TRIS A Dimethyl sulfoxide (DMSO) L Picric acid (any X Triton X-100 G Drierite G concentration) Trizol L Econo-Safe, UniverSOL, L Piperidine A TWEEN 20 G BetaMax, CytoScint, PIPES, free acid G Urea G Scintisafe, EcoLume, Potassium acetate G WD-40 L Ecoscint, Opti-fluor Potassium chloride G Xylenes L EDTA (in solution: G) D Potassium cyanide C Zinc chloride G Ethanol L Potassium hydroxide (KOH) C Ethanolamine A Potassium phosphate G See other side for information about the Stanford Storage Group System. Storage Groups are continuously reviewed and updated as needed. If you have any questions or suggested changes, please contact EH&S at 723-0448. .