Chemical Compatibility Chart

CHEMICAL COMPATIBILITY CHART

Choosing the right material based on chemical compatibility minimizes costly failures. Use this chart as a quick reference guide to help you with your selection of elastomers for your specific application.

A = Good Resistance | B = Fair Resistance | C = Depends on Conditions | D = Not Recommended Buna/Nitrile EPDM Viton (FKM) Silicone PP Urethane Buna/Nitrile EPDM Viton (FKM) Silicone PP Urethane Acetal D B D - - - Allyl Alcohol A A B - A D Acetaldehyde D A D B A D Allyl Bromide D D B - - - Acetamide A A B - A D Allyl Chloride D D A - - - Acetate Solvent D A D - B - Alum (Alum Potassium Sulfate) A A A - A - Acetic Acid, 10% B A C - A D Aluminum Acetate C A A - A D Acetic Acid, 30% D A C - A - Aluminum Chloride A A A B A C Acetic Acid, 50% D A D - A - Aluminum Fluoride A A A - A C Acetic Acid, Glacial D A D - A D Aluminum Hydroxide A A A - A - Acetic Anhydride D B D D B D Alminum Phosphate A A A - A - Acetic Ester (Ethyl Acetate) D A D - - D Aluminum Nitrate A A A - A C Acetic Ether (Ethyl Acetate) D A D - - - Aluminum Sulfate A A A A A D Acetic Oxide (Acetic Anhydride) D B D - - - Ammonia, Liquid B A A - A D Acetone D A D D A D Ammonia in Water C A B - - D Acetophenome D A D - A D Ammonium Carbonate C A A C A D Acetyl Acetone C B D - - D Ammonium Chloride A A A C A D Acetyl Chloride D C B C A D Ammonium Hydroxide B A B A A D Acetylene A B A - A D Ammonium Metaphosphate A A A - A D Acrylonitrile D D D - B D Ammonium Nitrate A A A C A - Air A A A A - A Ammonium Persulfate D B A A A D Alcohol Aliphatic A A C - - - Ammonium Physphate A A A - - - Alcohol, Aromatic C D A - - - Ammonium Sulfate A A A A A D Alk-Tri (Trichloroethylene) D D A - - - Ammonium Sulfide A A A - A D A = Good Resistance | B = Fair Resistance | C = Depends on Conditions | D = Not Recommended Buna/Nitrile EPDM Viton (FKM) Silicone PP Urethane Buna/Nitrile EPDM Viton (FKM) Silicone PP Urethane

Ammonium Sulfite A A A - A D Barium Hydroxide A A A - A D Ammonium Thiocyanate A A A - - D Barium Sulfate A A A - A - Ammonium Thiosulfate A A A - A D Barium Sulfide A A A - A A Amyl Acetate D A A D D D Beer A A A - A A Amyl Acetone D B D - - - Beet Sugar Liquor A A A - A D Amyl Alcohol A A A D A D Benzaldehyde D A D - A D Amyl Borate A D A - D - Benzene (Benzol) D D A - B D Amyl Chloride D D A D D - Benzene Sulphonic Acid D D A D - D Amyl Chloronapthalene D D A - - D Benzine Solvent (Ligroin) A D A - - - Amyl Napthalene D D A - - D Benzoic Acid D D A - A D Amyl Oleate D B C - - - Benzoic Aldehyde D A D - - - Amyl Phenol D D A - - - Benzotrichloride ------Anethole D D B - - - Benzoyl Chloride D D B - C C Aniline D D B B B D Benzyl Acetate D B D - - D Aniline Dyes D B B - - D Benzyl Alcohol D B A - A D Aniline Hydrochloride B B B - - D Benzyl Chloride D D A - A D Animal Fats A C A - - A Bichromate of Soda (Sodium Dichromate) A A A - - - Animal Grease A C A - - - Black Sulfate Liquor A A A - A - Animal Oils A C A - A B Blast Furnace Gas C C A - - D Ansul Ether D C D - - B Bleach Solutions D B B - - - Antifreeze A A A - D D Borax A A A - A A Antimony Chloride A D A - - A Bordeaux Mixture A A A - - D Antimony Pentachloride B D A - - A Brandy FDA TUBE REQUIRED Aqua Regia D B A - C D Brine A A A - - - Aromatic Hydrocarbons D D A - D - Bromine D D A D D D Arquad A A A - - - Bromine Water C C A - - D Arsenic Acid A A A - A D Bromobenzene D D B - - D Arsenic Chloride C D D - - - Bunker Oil A D A - - B Arsenic Trichloride A D D - - - Butanol A A A B - D Asphalt B D A - A B Butane A D A D A A ASTM #1 Oil A D A - - A Butter A A A - - A ASTM #2 Oil A D A - - B Butyl Acetate D A D D C D ASTM #3 Oil A D A - - B Butyl Acrylate D D D - D - Aviation Gasoline A D A - - - Butylamine C C D - D D Barium Carbonate A A A - A D Butyl Benzene D D A - - - Barium Chloride A A A - A A Butyl Bromide D D B - - -

Butyl Butyrate D B C - - - Carbon Tetrachloride C D A D D D Butyl Carbitol B A A - - D Carbon Tetraflouride C D - - - D Butyl Cellosolve B A D - - D Castor Oil A A A - A A Butyl Chloride D D A - D A Caustic Potash A A C - - D Butyl Ether B C D - C C Caustic Soda B A C - - D Butyl Ethyl Acetaldehyde D D D - - - Cellosolve D A C - - D Butyl Ethyl Ether D C C - - - Cellulose Acetate D B D - - D Butyl Oleate D B A - - - Cellulube D A C - - - Butyl Phthalate D A C - A - China Wood Oil A A C - - C Butyl Stearate B C A - - - Chlorine Dioxide D D A - C D Butyuraldehyde D D D - - D Chlorine Gas D D A - D D Butyric Acid C C C D A - Chlorine Water Solns D D C - D - Butyric Anhydride C C C - - D Chloroacetic Acid C A D - C D Calcium Acetate D A D - A D Chloroacetone D D D - - D Calcium Bisulfate A B A - - - Chlorobenzene D D A D B D Calcium Bisulfite A A A - A A Chlorobutane D D A - - A Calcium Carbonate A A A - A C Chlorobutadiene D D A - - D Calcium Chloride A A A - A D Chloroform D D A D C D Calcium Hydroxide A A A - A D Chlorinated Hydrocarbon D D A - - - Calcium Hypochlorite D A A - A D Chloropentane D D A - - - Calcium Nitrate A A A - A A Chlorophenol D D A - - - Calcium Oxide - - - A A A Chloropropanone D C D - - - Calcium Salts - - - B - A Chlorosulfonic Acid C D D D D D Calcium Sulfate A A A - A D Chlorothene D D A - - - Calcium Sulfide A A A - A A Chlorotoluene D D A - - D Calcium Sulfite A A A - - A Chromic Acid D C C D D C Caliche Liquor A A A - - A Citric Acid B A A - A A Cane Sugar Liquors A A A - - D Coal Oil A D A - - - Carbitol B B A - - D Coal Tar A B A - - - Carbitol Acetate D B D - - - Coal Tar Naptha C D A - - - Carbolic Acid C A A - B C Coblat Chloride A A A - - A Carbon Bisulfide D D A - D - Coconut Oil A A A - A C Carbon Dioxide A A A B A A Cod Liver Oil A A A - - A Carbon Disulfide D D A - D D Coke Oven Gas C D D - - D Carbonic Acid A A A - - A Copper Arsenate A A A - - - Carbon Monoxide C C A - A A Copper Chloride A A A - A A

3 A = Good Resistance | B = Fair Resistance | C = Depends on Conditions | D = Not Recommended Buna/Nitrile EPDM Viton (FKM) Silicone PP Urethane Buna/Nitrile EPDM Viton (FKM) Silicone PP Urethane

Copper Cyanide A A A - A A Dicloroacetic Acid D C C - B D Copper Nitrate A A A - A - Dichlorobenzene D D A - - D Copper Nitrite A A A - - - Dichlorobutane D D A - - D Copper Sulfate A A A - A A Dichloroisopropyl Ether D C C - - B Copper Sulfide A A A - - - Dichlorodifluoromethane (Freon 12) A D A - - A Corn Oil A C A - A A Dichloroethane D D A - D C Cottonseed Oil A C A - A A Dichloroethylene D D A - - C Creosote (Coal Tar) A D B - A C Dichloroethyl Ether D D C - - - Creosote (Wood) A D A - A C Dichlorohexane D D A - - - Creosols C D A - A A Dichloromethane D D A - - D Cresylic Acid C D A - A D Dichloropentane D D A - - - Crude Oil A D A - - A Dieldrin in Xylene D D A - - C Cumene C D A - - D Dieldrin in Xylene & Water Spray B D A - - - C Cupric Carbonate B A A - - - Diesel Oil A D A - - C Cupric Chloride A A A - - - Diethanolamine B A D - - D Cupric Nitrate A A A - - - Diethylamine C B D - A D Cupric Nitrite A A A - - - Diethyl Benzene D D A - - - Cupric Sulfate A A A - - - Diethyl Ether B D D - C A Cyclohexane B D A D C A Diethylene Dioxide D B D - - - Cyclohexanone D D C D B D Diethyl Oxalate D A C - - - Cyclohexanol B D B - A A Diethyl Phthalate D C C - - C Cyclopentane C D A - - A Diethyl Sebacate D C B - - D Cymene C D A - - C Diethyl Sulfate D A A - - - DDT in Kerosene A D A - - C Diethyl Triamine B B C - - - Decaline D D A - D - Dihydroxyethyl Ether A B A - - - Decane B D A - - B Diisobutylene A D A - - D Detergent Solutions A A A - A D Diisobutyl Ketone D A D - A - Diacetone Alcohol D B D - A D Diisodecyl Adipate D A C - - - Dibenzyl Ether D D C - - B Diisodecyl Phthalate D A C - - - Dibenzylsebacate D B B - - B Diisooctyl Adipate D A C - - - Dibromobenzene D D A - - - Diisooctyl Phthalate D B B - - - Dibutylamine D D D C - D Diisopropanol Amine B A C - - - Dibutyl Ether D B C - C B Diisopropyl Benzene C D A - - - Dibutyl Phthalate D A D - B C Diisopropyl Ether B D B - - - Dibutyl Sebacate D B B - - D Diisopropyl Ketone D A D - - D Dicalcium Phosphate A A A - - - Dilauryl Ether C D C - - -

Dimethyl Benzene D D A - - - Ethyl Benzoate B B C - B D Dimethylaniline D C D - D - Ethyl Butyl Alcohol A A B - - - Dimethylformamide (DMF) D C D - A - Ethyl Butyl Ketone D B D - - - Dimethyl Ketone (Acetone) D A D - - - Ethyl Cellulose B B D - - B Dimethyl Phthalate D B C - B D Ethyl Chloride D A B D C B Dimethyl Sulfate D D D - - - Ethyl Dichloride D D B - - - Dimethyl Sulfide D D C - - - Ethylene A D A - - D Dinitrobenzene D C A - - - Ethylene Bromide D D A - - - Dinitrotoluene D D B - - D Ethylene Chloride D D A - B B Dioctyl Adipate (DOA) D B C - - - Ethylene Dibromide D D B - - D Dioctyl Phthalate (DOP) D B B - - D Ethylene Dichloride D D B D D D Dioctyl Sebacate (DOS) D B B - - B Ethylene Glycol A A A A A D Dioxane D B D - B D Ethylene Oxide D C D D - D Dioxolane D B C - - D Ethylene Trichloride (Trichloroethylene) C D A - - D Dipentene (Limonene) C D A - - D Ethyl Ether C D D - C D Diphenyl (Biphenyl) D D A - D - Ethyl Formate D C D - - - Dipropyl Ketone D B D - - - Ethyl Hexanol A A B - - D Disodium Phosphate A A A - - - Ethyl Methyl Ketone D B D - - - Divinyl Benzene D D A - - - Ethyl Ozalate D B C - - - D.M.P. (Dimethyl Phenols) D D D - - - Ethyl Phthalate D B C - - - Dodecyl Benzene D D A - - C Ethyl Propyl Ether D D C - - - Diphenyl Oxide (Phenylether) D D A - - D Ethyl Propyl Ketone D B D - - - Dipropylene Glycol A A A - - - Ethyl Silicate A A A - - D Dodecyl Toluene D D A - - - Ethyl Sulfate D B D - - - Dowdume W 40, 100% D C C - - - EX TRI (Trichlorethylene) C D A - - - Dow-Per (Perchloroethylene) C D A - - - Fatty Acids B C A C A - Dowtherm Oil, A & E D D A - - - Ferric Bromide A A A - - - Dowtherm S.R.I. A A A - - - Ferric Chloride A A A B A A Dry Cleaning Fluids C D A - - D Ferric Nitrate A A A - A A Epichlorohydrin D B D - D D Ferric Sulfate A A A - A - Ethanol (Ethyl Alcohol) A A C B - D Ferrous Acetate D B D - - - Ethers C D D D - B Ferrous Ammonium Sulfate A A A - - D Ethyl Acetate D A D D B D Ferrous Chloride A A A - A - Ethyl Acetaoacetate D B D - D D Ferrous Hydroxide B A C - A - Ethyl Acrylate D D D - - D Ferrous Sulfate A A A - A D Ethyl Benzene C D A - - D Fish Oil A D A - - C

5 A = Good Resistance | B = Fair Resistance | C = Depends on Conditions | D = Not Recommended Buna/Nitrile EPDM Viton (FKM) Silicone PP Urethane Buna/Nitrile EPDM Viton (FKM) Silicone PP Urethane

Fluoroboric Acid A A C A A - Fuel, ASTM C B D A - - Fluorine D D D - D - Fumaric Acid A D A - - - Fluosilic Acid B B A - A - Furan D C D - - D Formaldehyde (Formalin) A A A B A D Furfural D C D - C D Formamide A A D - - D Furfuryl Alcohol D C D - - D Formic Acid B A D C A D Gallic Acid B B B - - D Freon 11 A D A - - - Gasoline, Reg A D A - C B Freon 12 B C B - A - Gasoline, Hi-Test A D A D - - Freon 13 A A A - - - Gasoline, Lead Free A D A D C - Freon 21 D D D - - - Gelatin A A A - A D Freon 22 D A D - B - Gluconic Acid C C A - - D Freon 31 D A D - - - Glucose A A A A A D Freon 32 A A C - - - Glue A A C A A - Freon 112 B D A - - - Glycerine (Glycerol) A A A A A D Freon 113 A D B - D - Glycois A A A - - D Freon 114 A A B - - - Grease A D A - - A Freon 115 A A B - - - Green Sulfate Liquor - A - - - D Freon 142b A A D - - - Halowax Oil D D A - - - Freon 152a A A D - - - Heptachlor in Petroleum Solvents B D A - - C Freon 218 A A A - - - Heptachlor in Petroleum Solvents, Water Spray B D A - - - Freon C316 A A A - - - Heptanal (Heptaldehyde) D B D - - - Freon C318 A A A - - - Heptane A D A - A B Freon 13B1 A A A - - - Heptane Carboxylic Acid C C A - - - Freon 114B2 B D B - - - Hexaldehyde D B D - - B Freon 502 B A B - - - Hexane A D A - A B Freon TF A A A - D - Hexene B D A - - A Freon T-WD 602 A B A - - - Hexanol (Hexyl Alcohol) A A A - A - Freon TMC B B A - - - Hexylene A C A - - - Freon T-P35 A A A - - - Hexylene Glycol A A A - - D Freon TA A A C - - - Hexyl Methyl Ketone D B D - - - Freon TC A B A - - - Hi-Tri (Trichloroethylene) C D A - - D Freon MF A D A - - - Hydraulic Fluid (Petroleum) A D A C D - Freon BF B D A - - - Hydraulic Fluid (Phospate Ester Base) D A D - - D

Fuel Oil A D A - A - Hydraulic Fluid (Poly Alkylene Glycol Base) A A A - - - Fuel, ASTM A A D A - - Hydrobromic Acid C A A - A D Fuel, ASTM B A D A - - Hydrobromic Acid, 5% D A A - A D

Hydrobromic Acid, 15% D A A - A D Isobutyl Ether D D D - - - Hydrobromic Acid, 37% - A A - A D Isocyanates D B C - - - Hydrocyanic Acid B C A - A D Isoctane A D A - A - Hydrofluoric Acid D C A D A D Isopentane A D A - - A Hydrofluosilic Acid B A A - A - Isopropyl Acetate D B D - B D Hydrogen Gas - - - - A A Isopropyl Alcohol (iso-propanol) B A B - A - Hydrogen Peroxide, 3% C A - - A - Isopropyl Amine C B D - - D Hydrogen Peroxide, 10% D A - - A - Isopropyl Benzene D D A - - - Hydrogen Peroxide, 30% D C - - A - Isopropyl Chloride D D B - - D Hydrogen Peroxide, 90% D C B C D - Isopropyl Ether C D D - B D Hydrogen Sulfide - - - - A - Isopropyl Toluene D D A - - - Hydroquinone D B D - A - Jet Fuels (JP1-JP6) A D A - B B Hypochlorous Acid D B A D A - Kerosene A D A D A A Ink Oil (Linseed Oil Base) B B A - - - Ketones D A D - C - Insulating Oil A D A - - - Lactic Acid C C A A A - Iodine D D C - A D Lacquers D D D - D D Iron Acetate D B D - - - Lacquer Solvents D D D D D D Iron Hydroxide B B C - - - Lard A C A B A A Iron Salts A A A - - - Lauryl Alcohol A A B - - - Iron Sulfate A A A - - - Lead Acetate C B C D A D Iron Sulfide A A A - - - Lead Nitrate A A A - A D Isomyl Acetate D B D - - D Lead Sulfamate B A A - A - Isomyl Alcohol A A A - - - Lead Sulfate A A A - A - Isoamyl Bromide D D B - - - Ligroin A D A - A B Isoamyl Butyrate D C D - - D Lime Water C A A - - - Isoamyl Chloride D D B - - - Linseed Oil A A A - A B Isomyl Ether D D D - - - Lindol (Tricresyl Phosphate) D A A - - B Isoamyl Phthalate D B C - - - Liquid Soap A A A - - - Isobutanel (Isobutyl Alcohol) B A B - - D Liquid Petroleum Gas A D A - - A Isobutyl Acetate D B D - - D Lubricating Oils A D A - A - Isobutyl Aldehyde D B D - - - Lye (Sodium Hydroxide) B A D - A D Isobutyl Amine D B D - - - Magnesium Acetate D B D - - - Isobutyl Bromide D D B - - - Magnesium Carbonate A A A - A - Isobutyl Carbinol A A B - - - Magnesium Chloride A A A A A A Isobutyl Chloride D D B - - - Magnesium Hydrate B A B - - - Isobutylene A D A - - C Magnesium Hydroxide B A A - A D

7 A = Good Resistance | B = Fair Resistance | C = Depends on Conditions | D = Not Recommended Buna/Nitrile EPDM Viton (FKM) Silicone PP Urethane Buna/Nitrile EPDM Viton (FKM) Silicone PP Urethane

Magnesium Nitrate A A A - A - Methyl tert-Butyl Ether (MTBE) D D D - - - Magnesium Sulfate A A A A A - Mineral Oil A D A - - A Malathion 50 in Aromatic Solvents C D A - - D Mineral Spirits A D A - B - Malathion 50 in Aromatic Solvents, Water Spray C D A - - D Monochlorobenzene D D A - B D Maleic Acid D C A - A - Monochlorodifluoromethane (Freon 22) D A D - - - Maleic Anhydride D C A - - - Monomethylether A A C - - - Malic Acid B D A B A - Monovinyl Acetate D C A - - D Manganese Sulfate A A A - A D Motor Oil A D A - A A Manganese Sulfide A B A - - - Muriatic Acid - A A - - - Manganese Sulfite A B A - - - Naphtha A D A D A D Mercuric Chloride B A A - A A Napthalene D D A - B B Mercury A A A - A A Napthenic Acid C D A - - - Methane A D A - A C Neatsfoot Oil A B A - - A Methyl Acetate D B D - B D Neu-Tri (Trichloroethylene) C D A - - D Methyl Acrylate D B D - - D Nickel Acetate D B D - A D Methacrylic Acid D B D - - D Nickel Chloride A A A A A C Methyl Alcohol (Methanol) A A C A A - Nickel Nitrate A A A - A D Methyl Benzene (Toluene) D D A - - - Nickel Plating Solution B B A - - - Methyl Bromide D D B - D D Nickel Sulfate A A A - A C Methyl Butyl Ketone D B D - D D Niter Cake A A A - - A Methyl Cellosolve C B D - A D Nitric Acid, 10% D C C - A - Methyl Chloride C C A D C B Nitric Acid, 20% D C A - A - Methyl Cyclohexane D D B - - - Nitric Acid, 30% D C A - A - Methylene Bromide D D B - - C Nitric Acid, 30-70% D D C - C - Methylene Chloride D D B - - D Nitric Acid, Red Fuming D D D - D - Methyl Ethyl Ketone (MEK) D A D D - D Nitrobenzene D D B D A D Methyl Formate D B C - - - Nitrogen Gas A A A - - A Methyl Hexanol A A B - - - Nitrogen Tetraoxide D D D - - D Methyl Hexyl Ketone D B D - - D Nitromethane D B D - - D Methyl Isobutyl Carbinol B A B - A - Nitropropane D B D - - D Methyl Isobutyl Ketone (MIBK) D A D - A D Nitrous Oxide A A A - A A Methyl Isopropyl Ketone D C D - - D Octadecanoic Acid A C C - - - Methyl Propyl Ether D D D - - - Octane A D A - - D Methyl Propyl Ketone D B D - - - Octanol (Octyl Alcohol) B B A - - A Methyl Methacrylate D D D - - D Octyl Acetate D B D - - D Methyl Salicylate D B C - - - Octyl Carbinol A A B - - -

Octylene Glycol A A A - - - Phosphorous Tricholride D A A - D - Oil, Petroleum A D A - B - Pickling Solution C C B - - D Oil, ASTM #1 A D A - B - Picric Acid, Molten C C C - A - Oil. ASTM #2 A D A - B - Picric Acid, Water Soln. B B C - A - Oil, ASTM #3 A D A - B - Pinene A D A - - B Oleic Acid B B C D A B Pine Oil C D B - - A Oleum (Fuming Sulfuric Acid) D D D - D - Piperdine D D D - - C Olive Oil (Non FDA) A B A - A A Pitch B D C - - - Orthodichlorobenzene D D A - - - Plating Solution, Chrome B A B - - D Oxalic Acid (Cold) B A A B A B Plating Solution, Others B A B D - - Oxygen, Cold C A A - A A Polyvinyl Acetate Emulsion (PVA) C A C - A - Oxygen, Hot A A - A - D Polyethylene Gycol A A A - - - Ozone D A A - D A Polypropylene Glycol A A A - A - Paint Thinner (Duco) D D C - - D Potassium Bicarbonate A A A - A D Palmitic Acid (Hexadecanoic Acid) A B A D A A Potassium Bisulfate A A A - A D Palm Oil A B A - - - Potassium Bisulfite A A A - - D Papermaker’s Alum A A A - - - Potassium Cabonate A A A - A D Paradichlorobenzene D D A - - - Potassium Chloride A A A - A D Paraffin A D A - A A Potassium Chromate D B A - A D Paraformaldehyde B B C - - - Potassium Cyanide A A A - A A Peanut Oil A D A - - B Potassium Dichromate D B A - A B Pentane A D A - D D Potassium Hydrate B A C - - - Perchloroethylene C D A - B D Potassium Hydroxide C A C C A D Perchloric Acid D B A D C D Potassium Nitrate A A A - A D Petrolatum A D A - D A Potassium Permanganate D A A - A D Petroleum, Crude A D A - B A Potassium Silicate A A A - - - Petroleum Ether (Naphtha) A D A - - A Potassium Sulfate A A A - A A Petroleum Oils A D A - - A Potassium Sulfide A A A - A D Phenol 10% D C A - B D Potassium Sulfite A A A - A A Phenol Sulfonic Acid D C A - - D Producer Gas A D A - - A Phenyl Chloride D D A - - - Propanediol A A A - - - Phenylhydrazine D C A - C - Propyl Acetate D B D - - D Phorone D B C - - D Propyl Alcohol (Propanol) A A A - A - Phosphate Esters D A C - - - Propyl Aldehyde D B D - - - Phosphoric Acid, 10% A A A - A - Propyl Chloride D C B - - - Phosphoric Acid, 10-85% C A A - A - Propylene Dichloride D D B - D C

9 A = Good Resistance | B = Fair Resistance | C = Depends on Conditions | D = Not Recommended Buna/Nitrile EPDM Viton (FKM) Silicone PP Urethane Buna/Nitrile EPDM Viton (FKM) Silicone PP Urethane

Propylene Glycol A A A - A D Sodium Chromate D B C - - D Pydraul Hydraulic Fluids D B C - - - Sodium Cyanide A A A - A - Pyranol C D A - - - Sodium Dichromate D B C - - - Pyridine D B D D A D Sodium Fluoride A A A - A D Pyroligneous Acid C B A - - D Sodium Hydroxide C A C A A B Pyrrole D C C - - - Sodium Hypochlorite D A A B B D Rape Seed Oil B B A - - B Sodium Metaphosphate A A A - A - Red Oil (Crude Oleic Acid) B B B - - A Sodium Nitrate C A A D A - Richfield A Weed Killer, 100% D D C - - - Sodium Nitrite A A A - A - Richfield B Wedd Killer, 33% B D C - - - Sodium Perborate C A A - A - Rosin Oil A D A - - - Sodium Peroxide C A A - A D Rotenone and Water A A A - - - Sodium Phosphate B A A - A A Rum FDA TUBE REQUIRED Sodium Silicate A A A A A - Sal Ammoniac (Ammonium Chloride) A A A - - A Sodium Sulfate A A A - A A Salicylic Acid D A A - A A Sodium Sulfide A A A A A A Salt Water (Sea Water) A A A A A - Sodium Sulfite A A A A A A Sewage A C A - - D Sodium Thiosulfate A A A - A A Silicate of Soda (Sodium Silicate) A A - A - - Soybean Oil A A A - A B Silicate Esters B D A - - A Stannic Chloride A B A - A - Silicone Greases A A A - - A Stannic Sulfide A A A - A - Silicone Oils A A A - A A Stannous Chloride A A A - A - Silver Nitrate A A A A A A Stannous Sulfide A A A - - - Skelly Solvent A D A - - - Stearic Acid B B A B A A Skydrol Hydraulic Fluids D A D - - - Stoddards Solvent A D A D C A Soap Solutions A A A B A A Styrene D D A - - C Soda Ash (Sodium Carbonate) A A A - A B Sugar Sols. (Sucrose) Non FDA A A A - A - Soda, Caustic (Sodium Hydroxide) B A D - - B Sulfamic Acid B A C - A D Soda, Lime B A C - - - Sulfite Liquors B B A - - D Soda Niter (Sodium Nitrate) A A A - - - Sulfonic Acid D D D - - D Sodium Acetate D B D - A C Sulfur (Molten) B A A - - D Sodium Aluminate A A A - - D Sulfur Chloride C D A - C C Sodium Bicarbonate A A A A A A Sulfur Dioxide C C A - A - Sodium Bisulfate A A A - A - Sulfur Hexafluoride A A A - - B Sodium Bisulfite A A A A A - Sulfur Trioxide C C A - D D Sodium Borate A A A A - - Sulfuric Acid, 25% B - A D A D Sodium Carbonate A A A A A B Sulfuric Acid, 25-50% D - A D A D Sodium Chloride A A A B A A Sulfuric Acid, Fuming D D A D D D

Sulfurous Acid C C A D A C Trisodium Phosphate A A A - A D Tall Oil A D A - - - Tung Oil A D A - - C Tallow A D A - A A Turbine Oil B D A - - A Tannic Acid C A A B A A Turpentine B D A D B D Tar C D B - - - 2, 4D with 10% Fuel Oil A D A - - - Tartaric Acid C B A A A A Ucon Hydrolube Oils A A A - - D Terpineol D C A - - B Undecanol A A B - - - Tertiary Butyl Alcohol A A A - A - Unsymmetrical Dimethyl-Hydrazine (UDMH) D A D - - - Tetrachlorobenzene D D B - - - Uran B B C - - - Tetrachloroethane D D A - B D Varnish B D A - A C Tetrachloroethylene D D A - D D Vegetable Oils A A A - - - Tetraethylene Glycol A A A - - - Versilube A A A - - - Tetrachloromethane C D A - - - Vinegar C A A - A D Tetrachloronapthalene D D B - - - Vinyl Acetate D B A - - - Tetraethyl Lead B D A - - B Vinyl Benzene D D A - - C Tetrahydrofuran (THF) D D D - B C Vinyl Chloride (Monomer) D D A - - C Thionyl Chloride D D B - - C Vinyl Ether D C D - - - Tin Chloride A A A B - A Vinyl Toluene D D A - - - Tin Tetrachloride A A A - - A Vinyl Trichloride D D A - - - Titanium Tetrachloride B C A - A A V.M. & P. Naptha A D A - - - Toluene (Toluol) C D A D A D Water, Fresh (Non FDA) A A A B A D Toluene Diisocyanate (TDI) C A B - - - Water, Salt B A A A A - Toxaphene B D A - - - Whiskey, Wines FDA TUBE REQUIRED Transformer Oils (Petroleum Base) A D A - - - White Liquor A C A - A - Transformer Oils D D A - - A White Oil A D A - - A Transmission Fluids - A B D A - - A Wood Alcohol (Methanol) A A D - - D Transmission Fluids - B C D A - - - Xylene (Xy101) C D A D D D Tricetin B A D - - - Xylidine D D C - - - Tributyl Phosphate D B D - - D Zeolites C A A - - A Trichlorobenzene D D B - - C Zinc Acetate C B D - A A Trichloroethane D D A - C D Zinc Carbonate A A A - - - Trichloroethylene D D A D C D Zinc Chloride C A A B A - Trichloropropane D D A - - D Zinc Chromate A A A - - D Tricresyl Phosphate (TCP) D B B - C B Zinc Sulfate A A A - A D Triethylene Glycol A A A - - D Trinitrotoluene (TNT) D D B - - - Triphenyl Phosphate D B C - - A

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Chemical Compatibility Chart REV 06/19 CONTACT CSI FOR MORE INFORMATION | CSIDESIGNS.COM | [email protected] | 417.831.1411