{"data":{"id":"us/46-cfr-appendix-i-to-part-150","jurisdiction":"us","citation":"46 CFR Appendix I to Part 150","heading":"Appendix I to Part 150—Exceptions to the Chart","body":"(a) The binary combinations listed below have been tested as prescribed in Appendix III to part 150 and found not to be dangerously reactive. These combinations are exceptions to Figure 1 of part 150 (Compatibility Chart) and may be stowed in adjacent tanks.\nMember of reactive group Compatible with\nAcetone (18) Diethylenetriamine (7).\nAcetone cyanohydrin (0) Acetic acid (4).\nAcrylates (14).\nAlcohols, Glycols (20).\nAldehydes (19).\nAromatic Hydrocarbon Mixtures (32).\nCarbon Disulfide (alternately Disulphide) (38).\nEsters (34).\nEthers (41).\nGlycol Ethers (40).\nHalogenated Hydrocarbons (36).\nKetones (18).\nMiscellaneous Hydrocarbon Mixtures (33).\nNitriles (37).\nNitrocompounds (42).\nOlefins (30).\nParaffins (31).\nPhenols, Cresols (21).\nSubstituted Allyls (15).\nSulfolane (alternately Sulpholane) (39).\nVinyl Acetate (13).\nVinyl Halides (35).\nAcrylonitrile (15) Triethanolamine (8).\n1,3-Butylene glycol (20) Morpholine (7).\n1,4-Butylene glycol (20) Ethylamine (7).\nTriethanolamine (8).\ngamma-Butyrolactone (0) N-Methyl-2-pyrrolidone (9).\nCaustic potash, 50% or less (5) Bio-fuel blends of Gasoline and Ethyl alcohol (\u003e25% but \u003c99% by volume) (20).\nn-Butyl alcohol (20).\nCetyl alcohol (Hexadecanol) (20).\nEthyl alcohol (20).\nEthylene glycol (20).\nIsobutyl alcohol (20).\nIsooctyl alcohol (20).\nIsopropyl alcohol (20).\nMethyl alcohol (20).\nPropylene glycol (20).\nCaustic soda, 50% or less (5) Acrylonitrile/Styrene copolymer dispersion in Polyether polyol (20).\nAlcohol (C12-C16) poly(1-6)ethoxylates (20).\nBio-fuel blends of Gasoline and Ethyl alcohol (\u003e25% but \u003c99% by volume) (20).\nButyl alcohol (20).\ntert-Butyl alcohol, Methanol mixtures (20).\nCetyl alcohol (Hexadecanol) (20).\nDecyl alcohol (20).\nDiacetone alcohol (20).\nDiethylene glycol (40).\nDodecyl alcohol (20).\nEthyl alcohol (20).\nEthyl alcohol (40% whiskey) (20).\nEthylene glycol (20).\nEthylene glycol, Diethylene glycol mixture (20).\nEthyl hexanol (Octyl alcohol) (20).\nIsobutyl alcohol (20).\nIsodecyl alcohol (20).\nIsononyl alcohol (20).\nIsopropyl alcohol (20).\nIsotridecanol (20).\nMethyl alcohol (20).\nNonyl alcohol (20).\nPropyl alcohol (20).\nPropylene glycol (20).\nSodium chlorate solution (0).\n2,4, D Dimethyl amine salt (DMA 806) (0) Acetone (18)\nEthyl Acrylate (14)\nMethyl Alcohol (20)\nToluene (32)\nDimethyl disulfide (alternately disulfide) (0) Acrylates (14).\nAlcohols, Glycols (20).\nAromatic Hydrocarbon Mixtures (32).\nEsters (34).\nHalogenated Hydrocarbons (36).\nKetones (18).\nMethyl tert-butyl ether (41).\nOlefins (30).\nOrganic Acids (4).\nOrganic Anhydrides (11).\nParaffins (31).\nPhenols, Cresols (21).\nDiphenylmethane diisocyanate (12) 2,2-Dimethylpropane-1,3-diol (20).\nPolypropylene glycol (40).\ntert-Dodecanethiol (20) Caustic soda solution (50%) (5).\nIsopropylamine solution (70%) (7).\nPolymethylene polyphenyl isocyanate (12).\nToluene diisocyanate (12).\ntert-Dodecanethiol (Sulfole 120) (0) Acetone (18)\nEthyl Acrylate (14)\nMethyl Alcohol (20)\nPolymeric methylene diphenyl diisocyanate (Papi 27) (12)\nToluene (32)\ntert-Dodecanethiol (0) All Chemicals in Group 33\nAcetone (18)\nn-Dodecyl-mercaptan (0) All chemicals in Group 33\nDodecyl and Tetradecylamine mixture (7) Tall oil, fatty acid (34).\nEthylenediamine (7) Bio-fuel blends of Gasoline and Ethyl alcohol (\u003e25% but \u003c99% by volume) (20).\nButyl alcohol (20).\ntert-Butyl alcohol (20).\nButylene glycol (20).\nCreosote (21).\nDiethylene glycol (40).\nDiisobutyl ketone (18).\nEthyl alcohol (20).\nEthylene glycol (20).\nEthyl hexanol (20).\nFatty alcohols (C12-C14)(20).\nGlycerine (20).\nIsononyl alcohol (20).\nIsophorone (18).\nMethyl butyl ketone (18).\nMethyl ethyl ketone (18).\nMethyl isobutyl ketone (18).\nPropyl alcohol (20).\nPropylene glycol (20).\nHexamethylenediamine (7) Ethyl Alcohol (Ethanol) (20)\nHexamethylenediamine (molten) (HMD 98%, molten) (7) n-Butyl Alcohol (20)\nIsobutyl Alcohol (20)\nIsopropyl Alcohol (20)\nHexamethylenediamine solution (7) CepSinolTM 1216 (Alcohols (C12+), primary, linear) (20).\nHexamethylenediamine solution (HMD 90%) (7) n-Butyl Alcohol (20)\nIsobutyl Alcohol (20)\nIsopropyl Alcohol (20)\nLactic acid (0) Acetic acid (4).\nBenzene (32).\nEthanol (20).\nPolypropylene glycol (40).\nVinyl acetate (13).\nOleum (0) Hexane (31).\nDichloromethane (36).\nPerchloroethylene (36).\nPhenol (90% hydrated) (21) Toluene diisocyante (12)\n1,2-Propylene glycol (20) Diethylenetriamine (7).\nPolyethylene polyamines (7).\nTriethylenetetramine (7).\nSodium cresylate as Cresylate spent caustic (5) Methyl alcohol (20).\nSodium dichromate solution (70% or less) (0) Acetone (18).\nn-Butyl alcohol (20).\nEthyl acetate (34).\n1-Hexene (30).\nMethyl alcohol (20).\nOctene (all isomers) (30).\nPhosphoric acid (1).\nSodium hydrosulfide (alternatively hydrosulphide) solution (5) Ethyl Alcohol (Ethanol) (20)\nSodium hydrosulfide (alternately hydrosulphide) solution (45% or less) (5) Isopropyl alcohol (20).\nMethyl alcohol (20).\nSodium Methylate 21-30% in methanol (0) 1,2-Dichloropropane (36).\nChlorobenzene (36).\nCyclohexanone (18).\nCyclohexanone, Cyclohexanol mixtures (18).\nDiethanolamine (8).\nDiisononyl phthalate (34).\nDimethylformamide (10).\nEthyl alcohol (20).\nEthylene glycol (20).\nFurfuryl alcohol (20).\nHeptene (all isomers) (30).\nIsobutyl alcohol (20).\nIsopropyl alcohol (20).\nLubricating oil (33).\nMethyl ethyl ketone (18).\nNonene (all isomers) (30).\nNonyl alcohol (all isomers) (20).\nOctene (all isomers) (30).\nPerchloroethylene (36).\nPolyisobutenamine in aliphatic (C10-C14) solvent (7).\no-Toluidine (9).\nXylene (32).\nSodium Methylate, 30% solution in Methanol (0) n-Butyl Alcohol (20)\nDecene (30)\nDecyl Alcohol (20)\nDialkyl (C9-C10) phthalates (34)\nDichloromethane (36)\nEthanolamine (8) (including Monoethanolamine)\nHexene (all isomers) (30)\nMethyl Isobutyl Ketone (18)\nOlefin mixtures (C5-C15) (30)\nOlefins (C13+ all isomers) (30)\nPhenol (21)\nn-Propyl Alcohol (20)\nPropylheptanol (20)\nC9-Resinfeed (32)\nSodium Borohydride (15% or less)/Sodium hydroxide solution (5)\nSolvent Naphtha (33)\nStyrene Monomer (30)\nToluene (32)\nXylenes (Incl. m-Xylene) (32)\nSulfuric (alternately Sulphuric) acid (2) Coconut oil (34).\nCoconut oil, fatty acid (34).\nPalm oil (34).\nSoyabean oil (34).\nTallow (34).\nSulfuric (alternately Sulphuric) acid, 98% or less (2) Choice white grease tallow (34).\nSulfuric (alternatively Sulphuric) acid (95-98%) (Group 2) Methyl ester fatty acid (34) Soybean oil (34)\nUrea/Ammonium Nitrate solution (containing less than 1% free Ammonia) (43) Magnesium chloride solutions (0).\n(b) The binary combinations listed below have been determined to be dangerously reactive, based either on data obtained in the literature or on laboratory testing that has been carried out in accordance with procedures prescribed in Appendix III. These combinations are exceptions to Figure 1 of part 150 (Compatibility Chart) and may not be stowed in adjacent tanks.\nAcetone cyanohydrin (0) is not compatible with Groups 1-12, 16, 17 or 22.\nAcrolein (19) is not compatible with Group 1, Non-Oxidizing Mineral Acids.\nAcrylic acid (4) is not compatible with Group 9, Aromatic Amines.\nAcrylonitrile (15) is not compatible with Group 5, Caustics.\nAlkyl (C7-C9) nitrates (34) is not compatible with Group 1, Non-Oxidizing Mineral Acids.\nAlkylbenzene sulfonic (alternately sulphonic) acid (less than 4%) (0) is not compatible with Groups 1-3, 5-9, 15, 16, 18, 19, 30, 34, 37, or strong oxidizers.\nAllyl alcohol (15) is not compatible with Group 12, Isocyanates.\nAluminum sulfate (alternately Aluminium sulphate) solution (43) is not compatible with Groups 5-11.\nAmmonium bisulfite (alternately bisulphite) solution (70% or less) (43) is not compatible with Groups 1 or 3-5.\nBenzenesulfonyl (alternately Benzenesulphonyl) chloride (0) is not compatible with Groups 5-7, or 43.\nButylene glycol (20) is not compatible with Caustic soda solution (5).\ngamma-Butyrolactone (0) is not compatible with Groups 1-9.\nC9 Resinfeed (DSM) (32) is not compatible with Group 2, Sulfuric (alternately Sulphuric) Acids.\nCarbon tetrachloride (36) is not compatible with Tetraethylenepentamine or Triethylenetetramine, both Group 7, Aliphatic Amines.\nCatoxid feedstock (36) is not compatible with Groups 1-5, or 12.\nCaustic soda solution (5) is not compatible with Butylene glycol (20).\n1-(4-Chlorophenyl)-4,4-dimethyl pentan-3-one (18) is not compatible with Group 5, Caustics, or Group 10, Amides.\nCrotonaldehyde (19) is not compatible with Group 1, Non-Oxidizing Mineral Acids.\nCyclohexanone/Cyclohexanol mixture (18) is not compatible with Group 12, Isocyanates.\n2,4-Dichlorophenoxyacetic acid, Dimethylamine salt solution (70% or less) (0) is not compatible with Groups 1-5, 11, 12, or 16.\n2,4-Dichlorophenoxyacetic acid, Triisopropanolamine salt solution (43) is not compatible with Group 3, Nitric Acids.\nDiethylenetriamine (7) is not compatible with 1,2,3-Trichloropropane, Group 36, Halogenated Hydrocarbons.\nDimethyl hydrogen phosphite (34) is not compatible with Groups 1 or 4.\nDimethyl naphthalene sulfonic (alternately sulphonic) acid, sodium salt solution (34) is not compatible with Group 12, or Formaldehyde, or with strong oxidizing agents.\nDodecylbenzenesulfonic (alternately Dodecylbenzenesulphonic) acid (0) is not compatible with oxidizing agents or Groups 1-3, 5-9, 15, 16, 18, 19, 30, 34, or 37.\nEthyl tert-butyl ether (41) is not compatible with Group 1, Non-Oxidizing Mineral Acids.\nEthylenediamine (7) and Ethyleneamine EA 1302 (7) are not compatible with either Ethylene dichloride (36) or 1,2,3-Trichloropropane (36).\nEthylene dichloride (36) is not compatible with Ethylenediamine (7) or Ethyleneamine EA 1302 (7).\nEthylidene norbornene (30) is not compatible with Groups 1-3 or 5-8.\n2-Ethyl-3-propylacrolein (19) is not compatible with Group 1, Non-Oxidizing Mineral Acids.\nFatty acids, essentially linear (C6-C18) 2-ethylhexyl ester (34) is not compatible with Group 3, Nitric Acids.\nFerric hydroxyethylethylenediamine triacetic acid, Triodium salt solution (43) is not compatible with Group 3, Nitric Acids.\nFish oil (34) is not compatible with Sulfuric (alternately Sulphuric) acid (2).\nFormaldehyde (50% or more) in Methyl alcohol (over 30%) (19) is not compatible with Group 12, Isocyanates.\nFormic acid (4) is not compatible with Furfuryl alcohol (20).\nFurfuryl alcohol (20) is not compatible with Group 1, Non-Oxidizing Mineral Acids, or with Formic acid (4).\nGlycol Ethers (Group 40) are not compatible with Acrylonitrile (Group 15);\n1,6-Hexanediol distillation overheads (4) is not compatible with Group 3, Nitric Acids, or Group 9, Aromatic Amines.\n2-Hydroxyethyl acrylate (14) is not compatible with Groups 5, 6, or 12.\nIsophorone (18) is not compatible with Group 8, Alkanolamines.\nLactic acid (0) is not compatible with Caustic soda solution (5).\nMagnesium chloride solution (0) is not compatible with Groups 2, 3, 5, 6, or 12.\nMesityl oxide (18) is not compatible with Group 8, Alkanolamines.\nMethacrylonitrile (15) is not compatible with Group 5, Caustics.\nMethyl tert-butyl ether (41) is not compatible with Group 1, Non-Oxidizing Mineral Acids.\nNitroethane/1-Nitropropane (each 15% or more) mixture (42) is not compatible with Group 7, Aliphatic Amines; Group 8, Alkanolamines; or Group 9, Aromatic Amines.\no-Nitrophenol (0) is not compatible with Groups 2, 3, or 5-10.\nNitropropane (60%)/Nitroethane (40%) mixture (42) is not compatible with Group 7, Aliphatic Amines; Group 8, Alkanolamines; or Group 9, Aromatic Amines.\nOleum (0) is not compatible with Sulfuric (alternately Sulphuric) acid (2) or 1,1,1-Trichloroethane (36).\nPhthalate-based polyester polyol (0) is not compatible with Groups 2, 3, 5, 7, or 12.\nPolyglycerine, Sodium salts solution (containing less than 3% sodium hydroxide) (20) is not compatible with Groups 1, 4, 11, 16, 17, 19, 21, or 22.\nPropylene, Propane, MAPP gas mixture (containing 12% or less MAPP gas) (30) is not compatible with Group 1, Non-Oxidizing Mineral Acids, Group 36, Halogenated Hydrocarbons, or with nitrogen dioxide, oxidizing agents, or molten sulfur (alternately sulphur) (0).\nSodium acetate, Glycol, Water mixture (containing 1% or less Sodium hydroxide) (5) is not compatible with Group 12, Isocyanates.\nSodium chlorate solution (50% or less) (0) is not compatible with Groups 1-3, 5, 7, 8, 10, 12, 13, 17, or 20.\nSodium dichromate solution (70% or less) (0) is not compatible with Groups 1-3, 5, 7, 8, 10, 12, 13, 17, or 20.\nSodium dimethyl naphthalene sulfonate solution (34) is not compatible with Group 12, or Formaldehyde, or strong oxidizing agents.\nSodium hydrogen sulfide (alternately sulphide) (6% or less)/Sodium carbonate solution (3% or less) (0) is not compatible with Group 6, Ammonia, or Group 7, Aliphatic Amines.\nSodium hydrosulfide (alternately hydrosulphide) solution (45% or less) (5) is not compatible with Group 6, Ammonia, or Group 7, Aliphatic Amines.\nSodium hydrosulfide (alternately hydrosulphide), Ammonium sulfide (alternately sulphide) solution (5) is not compatible with Group 6, Ammonia, or Group 7, Aliphatic Amines.\nSodium polyacrylate solution (43) is not compatible with Group 3, Nitric Acids.\nSodium silicate solution (43) is not compatible with Group 3, Nitric Acids.\nSodium sulfide, hydrosulfide (alternately sulphide, hydrosulphide) solution (0) is not compatible with Group 6, Ammonia, or Group 7, Aliphatic Amines.\nSodium thiocyanate (56% or less) (0) is not compatible with Groups 1-4.\nSulfonated (alternately Sulphonated) polyacrylate solution (43) is not compatible with Group 5, Caustics.\nSulfuric (alternately Sulphuric) acid (2) is not compatible with Fish oil (34), or Oleum (0).\nTall oil fatty acid (Resin acids less than 20%) (34) is not compatible with Group 5, Caustics.\nTallow fatty acid (34) is not compatible with Group 5, Caustics.\nTetraethylenepentamine (7) is not compatible with Carbon tetrachloride, Group 36, Halogenated Hydrocarbons.\nToluene diisocyanate (TDI) (12) is not compatible with Alkylbenzene sulphonic acid, sodium salt solution (Group 33), Calcium nitrate solutions (50% or less) (Group 34), Calcium nitrate/Magnesium nitrate/Potassium chloride solution (Group 34), Formaldehyde solutions (45% or less) (Group 19), Glutaraldehyde solutions (50% or less) (Group 19), Lactonitrile solution (80% or less) (Group 37), Nitrilotriacetic acid, trisodium salt solution (Group 34), Sodium acetate solutions (Group 34), Sodium sulphate solutions (Group 34), Polyferric sulphate solution (Group 34).\n1,1,1-Trichloroethane (36) is not compatible with Oleum (0).\nTrichloroethylene (36) is not compatible with Group 5, Caustics.\n1,2,3-Trichloropropane (36) is not compatible with Diethylenetriamine, Ethylenediamine, Ethyleaneamine EA 1302, or Triethylenetetramine, all Group 7, Aliphatic Amines.\nTriethylenetetramine (7) is not compatible with Carbon tetrachloride, or 1,2,3-Trichloropropane, both Group 36, Halogenated Hydrocarbons.\nTriethyl phosphite (34) is not compatible with Group 1, Non-Oxidizing Mineral Acids, or Group 4, Organic Acids.\nTrimethyl phosphite (34) is not compatible with Group 1, Non-Oxidizing Mineral Acids, or Group 4, Organic Acids.\n1,3,5-Trioxane (41) is not compatible with Group 1, Non-Oxidizing Mineral Acids, or Group 4, Organic Acids.\nVinyl neodecanoate (13) is not compatible with Group 5, Caustics.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER O—CERTAIN BULK DANGEROUS CARGOES","PART 150—COMPATIBILITY OF CARGOES"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-46.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:22Z","sha256":"63af3109adfe912a8e3e06c0b53f728abf7d882cd2a250ecfe8be773fc1fcb83","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-table-2-to-part-150","next":"us/46-cfr-appendix-ii-to-part-150"},"notice":"GroundRules: Original legal text. Not legal advice."}