Nitrosyl chloride Sulfuryl chloride Nitrotriazolone Tabun [o-Ethyl-N-N-dimethylphorphoramido-cyanidate] Nonyltrichlorosilane Tellurium hexafluoride Chemicals of Octadecyltrichlorosilane Tetrafluoroethylene [Ethene, tetrafluoro] Octolite Tetramethyllead [Plumbane, tetramethyl-] Octonal Tetramethylsilane [Silane, tetramethyl-] Octyltrichlorosilane Tetranitroaniline Interest (COI) Listed Oleum (Fuming Sulfuric acid) Tetranitromethane [Methane, tetranitro-] Oxygen difluoride Tetrazene [Guanyl nitrosaminoguanyltetrazene] 1,3-Pentadiene 1-H Tetrazole Pentane Thiodiglycol [Bis(2-hydroxyethyl)sulfide] in Appendix A 1- Pentene Thionyl chloride 2-Pentene, (E)- Titanium tetrachloride [Titanium chloride (TiCl4) (T-4)-] 2-Pentene, (Z)- TNT [Trinitrotoluene] Pentolite Torpex [Hexotonal] Peracetic acid [Ethaneperoxic acid] Trichlorosilane [Silane, trichloro-] Perchloromethylmercaptan [Methanesulfenyl chloride, Triethanolamine Chemical Facility trichloro-] Triethanolamine hydrochloride Perchloryl fluoride Triethyl phosphite PETN [Pentaerythritol tetranitrate] Trifluoroacetyl chloride Anti-Terrorism Standards Phenyltrichlorosilane Trifluorochloroethylene [Ethene, chlorotrifluoro] Trimethylamine Phosgene [Carbonic dichloride] or [carbonyl dichloride] [Methanamine, N,N-dimethyl-] Trimethylchlorosilane [Silane, Phosphine chlorotrimethyl-] (CFATS) Phosphorus Trimethyl phosphite Phosphorus oxychloride [Phosporyl chloride] Trinitroaniline Phosphorus pentabromide Trinitroanisole Phosphorus pentachloride Trinitrobenzene Phosphorus pentasulfide Trinitrobenzenesulfonic acid Securing America's Highest-Risk Phosphorus trichloride Trinitrobenzoic acid Picrite [Nitroguanide] Trinitrochlorobenzene Chemical Infrastructure Piperidine Trinitrofluorenone Potassium chlorate Trinitro-meta-cresol Potassium cyanide Trinitronaphthalene Potassium nitrate Trinitrophenetole Potassium perchlorate Trinitrophenol December 2017 Potassium permanganate Trinitroresorcinol Potassium phosphide Tritonal Propadiene [1,2-Propadiene] Tungsten hexafluoride Propane Vinyl acetate monomer [Acetic acid ethynl ester] Propionitrile [Propanenitrile] Vinyl acetylene [1-Buten-3-yne] A facility must report to DHS any possession of Propyl chloroformate [Carbonchloridic acid, propylester] Vinyl chloride [Ethene, chloro-] Appendix A chemicals of interest at or above the Propylene [1-Propene] Vinyl ethyl ether [Ethene, ethoxy-] Propylene oxide [Oxirane, methyl-] Vinyl fluoride [Ethene, fluoro] screening threshold quantity (STQ). To get Propyleneimine [Aziridine, 2-methyl] Vinyl methyl ether [Ethene, methoxy-] Propylphosphonothioic dichloride started, visit www.dhs.gov/publication/appendix- Propylphosphonyl difluoride Vinylidene chloride [Ethene, 1,1-dichloro] final-rule to view Appendix A. Propyltrichlorosilane Vinylidene fluoride [Ethene, 1,1-difluoro] Propyne [1-Propyne] Vinyltrichlorosilane QL [o-Ethyl-o-2-diisopropylaminoethyl VX[o-Ethyl-S-2-diisopropylaminoethylmethyl phosphonothiolate] methylphosphonite] Zinc hydrosulfide [Zinc dithionite] RDX [Cyclotrimethylenetrinitramine] RDX and HMX mixtures Sarin [o-Isopropyl methylphosphonofluoridate] Selenium hexafluoride Disclaimer: The information presented in this brochure Sesquimustard [1,2-Bis(2-chloroethylthio)ethane] is intended as a compliance assistance tool only, and Silane Silicon tetrachloride is not a substitute for Appendix A of the CFATS Silicon tetrafluoride regulation (6 CFR part 27). For a complete Sodium azide understanding of all legal requirements of the CFATS Sodium chlorate Sodium cyanide For more information, contact the CFATS Help Desk program, please refer to the applicable federal Sodium hydrosulfite [Sodium dithionite] 1-866-323-2957 or [email protected] statutes and regulations, which are available at Sodium nitrate www.dhs.gov/chemical-security-laws-and-regulations Sodium phosphide Soman [o-Pinacolyl methylphosphonofluoridate] U.S. Department of Homeland Security Stibine Office of Infrastructure Protection Strontium phosphide Infrastructure Security Compliance Division Sulfur dioxide (anhydrous) Mail Stop 0610 Sulfur tetrafluoride [Sulfur fluoride (SF4), (T-4)-] Sulfur trioxide 245 Murray Lane, Building 410 Washington, D.C. 20528 to the applicable federal which are available at security-laws-and-regulations Acetaldehyde Chromium oxychloride Hydrazine Acetone cyanohydrin, stabilized Crotonaldehyde [2-Butenal] Hydrochloric acid (conc. 37% or greater) Acetyl bromide Crotonaldehyde, (E)- [2 Butenal], (E)-] Hydrocyanic acid Acetyl chloride Cyanogen [Ethanedintrile] Hydrofluoric acid (conc. 50% or greater) Acetyl iodide Cyanogen chloride Hydrogen Acetylene [Ethyne] Cyclohexylamine [Cyclohexanamine] Hydrogen bromide (anhydrous) Acrolein [2-Propenal] or Acrylaldehyde Cyclohexyltrichlorosilane Hydrogen chloride (anhydrous) Acrylonitrile [2-Propenenitrile] Cyclopropane Hydrogen cyanide [Hydrocyanic acid] Acrylyl chloride [2-Propenoyl chloride] DF [Methyl phosphonyl difluoride] Hydrogen fluoride (anhydrous) Allyl alcohol [2-Propen-1-ol] Diazodinitrophenol Hydrogen iodide, anhydrous Allylamine [2-Propen-1-amine] Diborane Hydrogen peroxide (concentration of at least 35%) Allyltrichlorosilane, stabilized Dichlorosilane [Silane, dicholoro-] Hydrogen selenide Aluminum (powder) N,N-(2- diethylamino)ethanethiol Hydrogen sulfide Aluminum bromide, anhydrous Diethyldichlorosilane Iodine pentafluoride Aluminum chloride, anhydrous o,o-Diethyl S-[2- (diethylamino)ethyl] phosphorothiolate Iron, pentacarbonyl- [Iron carbonyl (Fe (CO)5), (TB5-11)-] Aluminum phosphide Diethyleneglycol dinitrate Isobutane [Propane, 2-methyl] Ammonia (anhydrous) Diethyl methylphosphonite Isobutyronitrile [Propanenitrile, 2-methyl-] Ammonia (conc. 20% or greater) N,N-Diethyl phosphoramidic dichloride Isopentane [Butane, 2-methyl-] Ammonium nitrate N,N-(2-diisopropylamino)- ethanethiol [N,N- Isoprene [1,3-Butadiene, 2-methyl-] Ammonium nitrate, solid diisopropyl-(beta)-aminoethane thiol Isopropyl chloride [Propane, 2-chloro-] Ammonium perchlorate Difluoroethane [Ethane, 1,1,-difluoro-] Isopropyl chloroformate [Carbonochloridic acid, 1- Ammonium picrate N,N-Diisopropyl phosphoramidic dichloride methylethyl ester] Amyltrichlorosilane 1,1-Dimethylhydrazine [Hydrazeine, 1, 1-dimethyl-1] Isopropylamine [2-Propanamine] Antimony pentafluoride Dimethylamine [Methanamine, N-methyl-] Isopropylphosphonothioic dichloride Arsenic trichloride [Arsenous trichloride] N,N-(2- dimethylamino)ethanethiol Isopropylphosphonyl difluoride Arsine Dimethyldichlorosilane [Silane, dichlorodimethyl-] Lead azide Barium azide N,N-Dimethyl phosphoramidic dichloride Lead styphnate [Lead trinitroresocinate] 1,4-Bis(2-chloroethylthio)- n-butane [Dimethylphosphoramido-dichloridate] Lewisite 1 [2-Chlorovinyldichloroarsine] Bis(2- chloroethylthio)methane 2,2-Dimethylpropane [Propane, 2,2-dimethyl-] Lewisite 2 [Bis(2-chlorovinyl)chloroarsine] Bis(2- chloroethylthiomethyl)ether Dingu [Dinitroglycoluril] Lewisite 3 [Tris(2-chlorovinyl)arsine] 1,5-Bis(2-chloroethylthio)- n-pentane Dinitrogen tetroxide Lithium amide 1,3-Bis(2-chloroethylthio)- n-propane Dinitrophenol Lithium nitride Boron tribromide Dinitroresorcinol Magnesium (powder) Boron trichloride [Borane, trichloro] Diphenyldichlorosilane Magnesium diamide Boron trifluoride [Borane, trifluoro] Dipicryl sulfide Magnesium phosphide Boron trifluoride compound with methyl ether (1:1) Dipicrylamine [or] Hexyl [Hexanitrodiphenylamine] MDEA [Methyldiethanolamine] Bromine N,N-(2- dipropylamino)ethanethiol Mercury fulminate Bromine chloride N,N-Dipropyl phosphoramidic dichloride Methacrylonitrile [2-Propenetrile, 2-methyl-] Bromine pentafluoride Dodecyltrichlorosilane Methane Bromine trifluoride Epichlorohydrin [Oxirane, )chloromethyl)-1] 2-Methyl-1-butene Bromotrifluorethylene [Ethene, bromotrifluoro] Ethane 3-Methyl-1-butene 1,3-Butadiene Ethyl acetylene [1-Butyne] Methyl chloride [Methane, chloro-] Butane Ethyl chloride [Ethane, chloro-] Methyl chloroformate [Carbonochloridic acid, methyl ester] Butene Ethyl ether [Ethane, 1,1-oxybis-] Methyl ether [Methane, oxybis-] 1-Butene Ethyl mercaptan [Ethanethiol] 2-Butene Methyl formate [Formic acid Methyl ester] Ethyl nitrite [Nitrous acide, ethyl ester] Methyl hydrazine [Hydrazine, methyl-] 2-Butene-cis Ethyl phosphonyl difluoride Methyl isocyanate [Methane, isocyanato-] 2-Butene-trans [2-Butene, (E)] Ethylamine [Ethanamine] Methyl mercaptan [Methanethiol] Butyltrichlorosilane Ethyldiethanolamine Methyl thiocyanate [Thiocyanic acid, methyl ester] Calcium hydrosulfite [Calcium dithionite] Ethylene [Ethene] Methylamine [Methanamine] Calcium phosphide Ethylene oxide [Oxirane] Methylchlorosilane Carbon disulfide Ethylenediamine [1,2-Ethanediamine] Methyldichlorosilane Carbon oxysulfide [Carbon oxide sulfide; carbonyl sulfide] Ethyleneimine [Aziridine] Methylphenyldichlorosilane Carbonyl fluoride Ethylphosphonothioic dichloride Methylphosphonothioic dichloride Carbonyl sulfide Ethyltrichlorosilane 2-Methylpropene [1-Propene, 2-methyl-] Chlorine Fluorine Chlorine dioxide [Chlorine oxide, Cl02] Methyltrichlorosilane [Silane, trichloromethyl-] Fluorosulfonic acid Sulfur mustard (Mustard gas (H)) [Bis(2-chloroethyl)sulfide] Chlorine monoxide [Chlorine oxide] Formaldehyde (solution) Chlorine pentafluoride O-Mustard (T) [Bis(2-chloroethylthioethyl)ether] Furan Nickel Carbonyl Chlorine trifluoride Germane Chloroacetyl chloride Nitric acid Germanium tetrafluoride Nitric oxide [Nitrogen oxide (NO)] 2-Chloroethylchloro-methylsulfide Guanyl nitrosaminoguanylidene hydrazine Chloroform [Methane, trichloro] Nitrobenzene Hexaethyl tetraphosphate