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 pounds in processes: re-sort using column headers

Chemical NameChemical Type# of facilitiesPounds in processes
Flammable MixtureFlammable85239,286,922,024
PropaneFlammable64211,725,870,245
Ammonia (anhydrous)Toxic7,1269,956,483,361
ButaneFlammable3958,435,032,565
Isobutane [Propane, 2-methyl]Flammable2042,304,324,819
EthaneFlammable622,101,279,876
Propylene [1-Propene]Flammable1491,531,100,445
Ethylene [Ethene]Flammable891,377,382,450
ChlorineToxic2,497832,843,797
2-Methylpropene [1-Propene, 2-methyl-]Flammable43802,204,865
Vinyl chloride [Ethene, chloro-]Flammable34692,489,183
PentaneFlammable201570,200,116
Vinyl acetate monomer [Acetic acid ethenyl ester]Toxic106382,360,513
1,3-ButadieneFlammable74381,982,809
1-ButeneFlammable58341,743,900
Acrylonitrile [2-Propenenitrile]Toxic84341,258,134
Propylene oxide [Oxirane, methyl-]Toxic90338,326,105
Isopentane [Butane, 2-methyl-]Flammable138224,540,363
Ammonia (conc 20% or greater)Toxic459214,498,002
Ethylene oxide [Oxirane]Toxic88188,019,054
Formaldehyde (solution)Toxic176185,212,007
Oleum (Fuming Sulfuric acid) [Sulfuric acid, mixture with sulfur trioxide]Toxic46183,411,860
Isoprene [1,3-Butadiene, 2-methyl-]Flammable30155,450,728
Chloroform [Methane, trichloro-]Toxic41152,822,433
Epichlorohydrin [Oxirane, (chloromethyl)-]Toxic51138,282,411
MethaneFlammable82128,069,974
Toluene diisocyanate (unspecified isomer) [Benzene, 1,3-diisocyanatomethyl-]Toxic63117,567,863
Hydrogen fluoride/Hydrofluoric acid (conc 50% or greater) [Hydrofluoric acid]Toxic14393,344,511
Toluene 2,4-diisocyanate [Benzene, 2,4-diisocyanato-1-methyl-]Toxic2679,286,236
1,3-PentadieneFlammable1476,428,108
Methyl chloride [Methane, chloro-]Toxic4569,147,827
Ethylenediamine [1,2-Ethanediamine]Toxic5565,618,375
ButeneFlammable2665,367,073
Vinylidene chloride [Ethene, 1,1-dichloro-]Flammable1254,485,157
Titanium tetrachloride [Titanium chloride (TiCl4) (T-4)-]Toxic3753,359,701
Sulfur dioxide (anhydrous)Toxic46947,307,360
Hydrochloric acid (conc 37% or greater)Toxic4945,156,559
Isopropylamine [2-Propanamine]Flammable2742,953,996
Carbon disulfideToxic3742,180,947
1-PenteneFlammable1440,460,575
Trichlorosilane [Silane, trichloro-]Flammable2239,019,988
Nitric acid (conc 80% or greater)Toxic1638,390,938
Dimethylamine [Methanamine, N-methyl-]Flammable4638,297,709
Methylamine [Methanamine]Flammable2635,663,871
AcetaldehydeFlammable2931,792,532
Ethyl ether [Ethane, 1,1'-oxybis-]Flammable3931,141,355
Allyl alcohol [2-Propen-1-ol]Toxic1928,494,291
Hydrogen chloride (anhydrous) [Hydrochloric acid]Toxic8028,208,684
Methyltrichlorosilane [Silane, trichloromethyl-]Toxic1526,753,469
Phosphorus trichloride [Phosphorous trichloride]Toxic2725,694,715
Cyclohexylamine [Cyclohexanamine]Toxic3224,874,927
Methyl mercaptan [Methanethiol]Toxic1324,119,887
Sulfur trioxideToxic2222,850,120
Ethyl chloride [Ethane, chloro-]Flammable1819,526,500
Trimethylamine [Methanamine, N,N-dimethyl-]Flammable2518,835,183
Trimethylchlorosilane [Silane, chlorotrimethyl-]Toxic1618,220,994
HydrazineToxic1417,673,926
Dimethyldichlorosilane [Silane, dichlorodimethyl-]Toxic1017,472,767
Ethyl mercaptan [Ethanethiol]Flammable6315,568,066
Ethylamine [Ethanamine]Flammable1215,266,862
Propionitrile [Propanenitrile]Toxic915,034,796
BromineToxic2414,523,508
PiperidineToxic1114,499,710
Isobutyronitrile [Propanenitrile, 2-methyl-]Toxic314,188,342
Difluoroethane [Ethane, 1,1-difluoro-]Flammable4514,081,954
2-Methyl-1-buteneFlammable1513,981,564
Phosphorus oxychloride [Phosphoryl chloride]Toxic2113,227,641
Methyl ether [Methane, oxybis-]Flammable3912,752,966
Methyl hydrazine [Hydrazine, methyl-]Toxic511,790,032
Peracetic acid [Ethaneperoxoic acid]Toxic511,596,742
Propyleneimine [Aziridine, 2-methyl-]Toxic311,383,408
Ethyleneimine [Aziridine]Toxic211,357,144
Methacrylonitrile [2-Propenenitrile, 2-methyl-]Toxic211,275,793
HydrogenFlammable10310,707,242
Hydrocyanic acidToxic1510,300,051
Vinyl methyl ether [Ethene, methoxy-]Flammable49,729,690
2-Butene-cisFlammable169,154,163
Trifluorochloroethylene [Ethene, chlorotrifluoro-]Flammable79,143,590
Crotonaldehyde [2-Butenal]Toxic39,129,608
Methyl formate [Formic acid, methyl ester]Flammable108,688,422
2-ButeneFlammable148,446,485
2-Chloropropylene [1-Propene, 2-chloro-]Flammable46,443,112
Hydrogen sulfideToxic506,418,511
1-Chloropropylene [1-Propene, 1-chloro-]Flammable46,226,442
2-Pentene, (E)-Flammable86,186,509
2-Butene-trans [2-Butene, (E)]Flammable145,607,046
2-Pentene, (Z)-Flammable75,461,278
3-Methyl-1-buteneFlammable115,300,922
Vinyl ethyl ether [Ethene, ethoxy-]Flammable24,478,352
Vinyl acetylene [1-Buten-3-yne]Flammable54,318,028
Toluene 2,6-diisocyanate [Benzene, 1,3-diisocyanato-2-methyl-]Toxic124,261,164
Tetramethylsilane [Silane, tetramethyl-]Flammable54,127,748
Propyne [1-Propyne]Flammable54,071,460
Ethyl acetylene [1-Butyne]Flammable54,030,340
2,2-Dimethylpropane [Propane, 2,2-dimethyl-]Flammable63,983,258
Propadiene [1,2-Propadiene]Flammable33,899,700
FuranToxic43,830,367
Acrolein [2-Propenal]Toxic143,251,827
Vinylidene fluoride [Ethene, 1,1-difluoro-]Flammable82,789,000
Acetylene [Ethyne]Flammable402,567,601
Chlorine dioxide [Chlorine oxide (ClO2)]Toxic601,953,025
Isopropyl chloride [Propane, 2-chloro-]Flammable31,571,000
Phosgene [Carbonic dichloride]Toxic151,360,643
Boron trifluoride [Borane, trifluoro-]Toxic151,128,100
SilaneFlammable71,076,812
CBI Flammable SubstanceFlammable6960,977
Vinyl fluoride [Ethene, fluoro-]Flammable2880,000
Isopropyl chloroformate [Carbonochloridic acid, 1-methylethy ester]Toxic7811,710
Tetrafluoroethylene [Ethene, tetrafluoro-]Flammable5664,000
Dichlorosilane [Silane, dichloro-]Flammable4556,000
Propyl chloroformate [Carbonochloridic acid, propylester]Toxic6510,550
Chloromethyl methyl ether [Methane, chloromethoxy-]Toxic2500,112
Perchloromethylmercaptan [Methanesulfenyl chloride, trichloro-]Toxic1450,000
Methyl chloroformate [Carbonochloridic acid, methylester]Toxic3350,398
Allylamine [2-Propen-1-amine]Toxic2267,366
1,1-Dimethylhydrazine [Hydrazine, 1,1-dimethyl-]Toxic3219,313
Boron trichloride [Borane, trichloro-]Toxic3114,500
Crotonaldehyde, (E)- [2-Butenal, (E)-]Toxic199,608
ArsineToxic868,803
Tetranitromethane [Methane, tetranitro-]Toxic168,263
Hydrogen selenideToxic555,111
FluorineToxic653,627
CBI AcidsToxic149,000
Acrylyl chloride [2-Propenoyl chloride]Toxic148,000
Iron, pentacarbonyl- [Iron carbonyl (Fe(CO)5), (TB-5-11)-]Toxic138,500
PhosphineToxic231,276
Nitrogen TetroxideToxic130,000
Chloromethyl ether [Methane, oxybis[chloro-]Toxic114,477
DiboraneToxic1485
Total----84,728,820,283


This search was done on December 3, 2016. It was compiled from government data last released on December 30, 2015. This search result was produced by RTK NET. The data were obtained from the U.S. EPA's Risk Management System database (RMP).