RMP on-site quantities by chemical

(This table shows amounts of each chemical within processes that have worst-case accidents than could potentially reach off-site. Facilities that are no longer registered with RMP are not included.)


Table sorted by chemical type (toxic or flammable): re-sort using column headers

Chemical NameChemical Type# of facilitiesPounds in processes
Dimethylamine [Methanamine, N-methyl-]Flammable4338,021,477
Difluoroethane [Ethane, 1,1-difluoro-]Flammable4916,035,793
SilaneFlammable61,386,812
Propyne [1-Propyne]Flammable5167,000
Ethyl acetylene [1-Butyne]Flammable4168,718
EthaneFlammable622,778,708,315
Dichlorosilane [Silane, dichloro-]Flammable7854,000
Isopropylamine [2-Propanamine]Flammable2940,122,076
CBI Flammable SubstanceFlammable71,013,718
Trichlorosilane [Silane, trichloro-]Flammable2034,195,683
MethaneFlammable90135,657,239
Tetramethylsilane [Silane, tetramethyl-]Flammable6398,532
Tetrafluoroethylene [Ethene, tetrafluoro-]Flammable3548,000
Ethyl chloride [Ethane, chloro-]Flammable1820,066,500
Ethyl ether [Ethane, 1,1'-oxybis-]Flammable3521,394,530
PentaneFlammable205581,832,388
Isopentane [Butane, 2-methyl-]Flammable134188,785,449
PropaneFlammable63411,151,054,831
Propadiene [1,2-Propadiene]Flammable3113,000
HydrogenFlammable10111,932,645
Isobutane [Propane, 2-methyl]Flammable2092,218,260,475
Flammable MixtureFlammable87934,947,641,511
Propylene [1-Propene]Flammable1461,516,608,721
Ethylamine [Ethanamine]Flammable1111,228,350
Ethyl mercaptan [Ethanethiol]Flammable5310,930,104
Ethylene [Ethene]Flammable891,079,440,426
Isopropyl chloride [Propane, 2-chloro-]Flammable41,320,843
Isoprene [1,3-Butadiene, 2-methyl-]Flammable30137,432,105
ButeneFlammable2252,535,666
Methyl ether [Methane, oxybis-]Flammable4214,052,806
2-Methylpropene [1-Propene, 2-methyl-]Flammable44800,636,495
2-Methyl-1-buteneFlammable128,019,422
2-Chloropropylene [1-Propene, 2-chloro-]Flammable31,284,203
2-Pentene, (E)-Flammable62,323,672
2-Pentene, (Z)-Flammable51,646,553
AcetaldehydeFlammable2734,276,029
3-Methyl-1-buteneFlammable81,607,094
2-Butene-trans [2-Butene, (E)]Flammable148,030,080
2-Butene-cisFlammable157,756,151
1-ButeneFlammable57324,841,382
1,3-PentadieneFlammable1362,279,062
1,3-ButadieneFlammable68367,235,369
1-Chloropropylene [1-Propene, 1-chloro-]Flammable3582,979
1-PenteneFlammable1239,285,814
2-ButeneFlammable124,075,622
2,2-Dimethylpropane [Propane, 2,2-dimethyl-]Flammable5649,000
ButaneFlammable4268,353,062,828
Acetylene [Ethyne]Flammable382,416,864
Vinylidene fluoride [Ethene, 1,1-difluoro-]Flammable72,392,000
Vinyl acetylene [1-Buten-3-yne]Flammable4306,074
Methyl formate [Formic acid, methyl ester]Flammable82,963,617
Trimethylamine [Methanamine, N,N-dimethyl-]Flammable2615,984,714
Trifluorochloroethylene [Ethene, chlorotrifluoro-]Flammable62,275,000
Vinyl chloride [Ethene, chloro-]Flammable32782,736,462
Methylamine [Methanamine]Flammable2633,133,405
Vinyl methyl ether [Ethene, methoxy-]Flammable35,469,000
Vinylidene chloride [Ethene, 1,1-dichloro-]Flammable1246,270,177
Vinyl fluoride [Ethene, fluoro-]Flammable2878,000
Vinyl ethyl ether [Ethene, ethoxy-]Flammable156,500
Peracetic acid [Ethaneperoxoic acid]Toxic911,978,156
Perchloromethylmercaptan [Methanesulfenyl chloride, trichloro-]Toxic1450,000
Phosgene [Carbonic dichloride]Toxic151,367,643
Methyltrichlorosilane [Silane, trichloromethyl-]Toxic1427,489,078
Nitrogen TetroxideToxic130,000
Nitric acid (conc 80% or greater)Toxic1638,673,838
Oleum (Fuming Sulfuric acid) [Sulfuric acid, mixture with sulfur trioxide]Toxic44159,961,381
Sulfur dioxide (anhydrous)Toxic45039,793,235
Toluene 2,4-diisocyanate [Benzene, 2,4-diisocyanato-1-methyl-]Toxic2957,571,344
Titanium tetrachloride [Titanium chloride (TiCl4) (T-4)-]Toxic3444,400,182
Tetranitromethane [Methane, tetranitro-]Toxic168,263
Toluene 2,6-diisocyanate [Benzene, 1,3-diisocyanato-2-methyl-]Toxic155,691,425
Toluene diisocyanate (unspecified isomer) [Benzene, 1,3-diisocyanatomethyl-]Toxic64137,583,102
Vinyl acetate monomer [Acetic acid ethenyl ester]Toxic107471,559,277
Trimethylchlorosilane [Silane, chlorotrimethyl-]Toxic1618,510,907
Sulfur trioxideToxic2223,213,860
Methyl mercaptan [Methanethiol]Toxic1124,836,494
PiperidineToxic914,565,618
Phosphorus trichloride [Phosphorous trichloride]Toxic2425,316,895
Phosphorus oxychloride [Phosphoryl chloride]Toxic2213,675,397
Propionitrile [Propanenitrile]Toxic914,570,033
Propyl chloroformate [Carbonochloridic acid, propylester]Toxic4272,550
Propyleneimine [Aziridine, 2-methyl-]Toxic311,383,408
Propylene oxide [Oxirane, methyl-]Toxic90340,036,961
PhosphineToxic237,000
Hydrocyanic acidToxic159,163,033
Chlorine dioxide [Chlorine oxide (ClO2)]Toxic591,918,287
ChlorineToxic2,345844,296,914
CBI AcidsToxic149,000
Carbon disulfideToxic3639,193,182
Chloroform [Methane, trichloro-]Toxic4098,060,064
Chloromethyl ether [Methane, oxybis[chloro-]Toxic114,477
Crotonaldehyde, (E)- [2-Butenal, (E)-]Toxic2145,608
Crotonaldehyde [2-Butenal]Toxic39,109,608
Chloromethyl methyl ether [Methane, chloromethoxy-]Toxic2490,112
BromineToxic2213,647,305
Boron trifluoride [Borane, trifluoro-]Toxic161,172,200
Allyl alcohol [2-Propen-1-ol]Toxic1926,176,825
Acrylyl chloride [2-Propenoyl chloride]Toxic148,000
Acrylonitrile [2-Propenenitrile]Toxic82342,858,977
Acrolein [2-Propenal]Toxic153,284,055
Allylamine [2-Propen-1-amine]Toxic2267,366
Ammonia (anhydrous)Toxic6,98410,335,041,774
Boron trichloride [Borane, trichloro-]Toxic3114,500
ArsineToxic1082,570
Ammonia (conc 20% or greater)Toxic428209,118,919
Cyclohexylamine [Cyclohexanamine]Toxic3416,842,346
Dimethyldichlorosilane [Silane, dichlorodimethyl-]Toxic1017,842,938
Iron, pentacarbonyl- [Iron carbonyl (Fe(CO)5), (TB-5-11)-]Toxic138,500
Hydrogen sulfideToxic466,529,589
Hydrogen selenideToxic558,065
Hydrogen fluoride/Hydrofluoric acid (conc 50% or greater) [Hydrofluoric acid]Toxic14186,769,662
Isobutyronitrile [Propanenitrile, 2-methyl-]Toxic314,188,342
Isopropyl chloroformate [Carbonochloridic acid, 1-methylethy ester]Toxic7771,710
Methyl chloroformate [Carbonochloridic acid, methylester]Toxic4375,398
Methyl chloride [Methane, chloro-]Toxic4461,188,634
Methacrylonitrile [2-Propenenitrile, 2-methyl-]Toxic211,275,793
Hydrogen chloride (anhydrous) [Hydrochloric acid]Toxic8026,678,491
1,1-Dimethylhydrazine [Hydrazine, 1,1-dimethyl-]Toxic3194,313
Ethyleneimine [Aziridine]Toxic211,357,144
Ethylenediamine [1,2-Ethanediamine]Toxic5248,970,456
Ethylene oxide [Oxirane]Toxic86190,126,603
Epichlorohydrin [Oxirane, (chloromethyl)-]Toxic49134,036,813
FluorineToxic448,027
Formaldehyde (solution)Toxic175174,619,895
Hydrochloric acid (conc 37% or greater)Toxic4739,480,830
HydrazineToxic1315,734,076
FuranToxic33,780,367
Methyl hydrazine [Hydrazine, methyl-]Toxic511,628,324
Total----80,214,206,420


This search was done on October 19, 2018. It was compiled from government data last released on April 30, 2018. This search result was produced by RTK NET. The data were obtained from the U.S. EPA's Risk Management System database (RMP).