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-]Flammable4335,159,887
Difluoroethane [Ethane, 1,1-difluoro-]Flammable4814,465,102
SilaneFlammable5936,812
Propyne [1-Propyne]Flammable4156,000
Ethyl acetylene [1-Butyne]Flammable4124,718
EthaneFlammable622,777,226,840
Dichlorosilane [Silane, dichloro-]Flammable4556,000
Isopropylamine [2-Propanamine]Flammable2839,529,569
CBI Flammable SubstanceFlammable7960,977
Trichlorosilane [Silane, trichloro-]Flammable2033,732,421
MethaneFlammable87128,772,370
Tetramethylsilane [Silane, tetramethyl-]Flammable5372,792
Tetrafluoroethylene [Ethene, tetrafluoro-]Flammable4606,000
Ethyl chloride [Ethane, chloro-]Flammable1819,886,500
Ethyl ether [Ethane, 1,1'-oxybis-]Flammable3521,100,323
PentaneFlammable205542,261,136
Isopentane [Butane, 2-methyl-]Flammable133188,354,442
PropaneFlammable64211,995,738,779
Propadiene [1,2-Propadiene]Flammable2102,000
HydrogenFlammable10210,534,665
Isobutane [Propane, 2-methyl]Flammable2042,285,294,836
Flammable MixtureFlammable87039,550,554,048
Propylene [1-Propene]Flammable1471,514,567,396
Ethylamine [Ethanamine]Flammable1211,393,350
Ethyl mercaptan [Ethanethiol]Flammable5910,725,391
Ethylene [Ethene]Flammable891,075,976,239
Isopropyl chloride [Propane, 2-chloro-]Flammable31,156,000
Isoprene [1,3-Butadiene, 2-methyl-]Flammable28137,360,485
ButeneFlammable2252,557,666
Methyl ether [Methane, oxybis-]Flammable4113,823,212
2-Methylpropene [1-Propene, 2-methyl-]Flammable43799,951,365
2-Methyl-1-buteneFlammable1310,219,422
2-Chloropropylene [1-Propene, 2-chloro-]Flammable31,283,292
2-Pentene, (E)-Flammable62,323,672
2-Pentene, (Z)-Flammable51,646,553
AcetaldehydeFlammable2833,906,042
3-Methyl-1-buteneFlammable81,607,094
2-Butene-trans [2-Butene, (E)]Flammable147,830,080
2-Butene-cisFlammable157,656,151
1-ButeneFlammable56317,058,850
1,3-PentadieneFlammable1355,342,636
1,3-ButadieneFlammable71381,324,337
1-Chloropropylene [1-Propene, 1-chloro-]Flammable3580,737
1-PenteneFlammable1339,183,436
2-ButeneFlammable123,975,622
2,2-Dimethylpropane [Propane, 2,2-dimethyl-]Flammable5649,000
ButaneFlammable4098,738,616,637
Acetylene [Ethyne]Flammable362,448,624
Vinylidene fluoride [Ethene, 1,1-difluoro-]Flammable72,613,000
Vinyl acetylene [1-Buten-3-yne]Flammable4306,074
Methyl formate [Formic acid, methyl ester]Flammable82,967,702
Trimethylamine [Methanamine, N,N-dimethyl-]Flammable2515,898,284
Trifluorochloroethylene [Ethene, chlorotrifluoro-]Flammable61,525,000
Vinyl chloride [Ethene, chloro-]Flammable33674,349,703
Methylamine [Methanamine]Flammable2532,208,488
Vinyl methyl ether [Ethene, methoxy-]Flammable35,469,000
Vinylidene chloride [Ethene, 1,1-dichloro-]Flammable1142,430,177
Vinyl fluoride [Ethene, fluoro-]Flammable2880,000
Vinyl ethyl ether [Ethene, ethoxy-]Flammable156,500
Peracetic acid [Ethaneperoxoic acid]Toxic511,784,298
Perchloromethylmercaptan [Methanesulfenyl chloride, trichloro-]Toxic1450,000
Phosgene [Carbonic dichloride]Toxic151,355,643
Methyltrichlorosilane [Silane, trichloromethyl-]Toxic1526,689,970
Nitrogen TetroxideToxic130,000
Nitric acid (conc 80% or greater)Toxic1638,116,138
Oleum (Fuming Sulfuric acid) [Sulfuric acid, mixture with sulfur trioxide]Toxic47184,230,642
Sulfur dioxide (anhydrous)Toxic45047,691,747
Toluene 2,4-diisocyanate [Benzene, 2,4-diisocyanato-1-methyl-]Toxic2578,962,031
Titanium tetrachloride [Titanium chloride (TiCl4) (T-4)-]Toxic3444,503,782
Tetranitromethane [Methane, tetranitro-]Toxic168,263
Toluene 2,6-diisocyanate [Benzene, 1,3-diisocyanato-2-methyl-]Toxic134,661,164
Toluene diisocyanate (unspecified isomer) [Benzene, 1,3-diisocyanatomethyl-]Toxic63118,856,913
Vinyl acetate monomer [Acetic acid ethenyl ester]Toxic104408,173,659
Trimethylchlorosilane [Silane, chlorotrimethyl-]Toxic1618,220,995
Sulfur trioxideToxic2222,850,120
Methyl mercaptan [Methanethiol]Toxic1225,390,252
PiperidineToxic1014,619,710
Phosphorus trichloride [Phosphorous trichloride]Toxic2826,088,345
Phosphorus oxychloride [Phosphoryl chloride]Toxic2213,287,397
Propionitrile [Propanenitrile]Toxic915,338,933
Propyl chloroformate [Carbonochloridic acid, propylester]Toxic6510,550
Propyleneimine [Aziridine, 2-methyl-]Toxic311,383,408
Propylene oxide [Oxirane, methyl-]Toxic89350,249,816
PhosphineToxic231,276
Hydrocyanic acidToxic1510,300,051
Chlorine dioxide [Chlorine oxide (ClO2)]Toxic601,934,223
ChlorineToxic2,429846,866,511
CBI AcidsToxic149,000
Carbon disulfideToxic3741,518,548
Chloroform [Methane, trichloro-]Toxic3997,452,215
Chloromethyl ether [Methane, oxybis[chloro-]Toxic114,477
Crotonaldehyde, (E)- [2-Butenal, (E)-]Toxic199,608
Crotonaldehyde [2-Butenal]Toxic29,039,608
Chloromethyl methyl ether [Methane, chloromethoxy-]Toxic2490,112
BromineToxic2414,546,508
Boron trifluoride [Borane, trifluoro-]Toxic161,172,200
Allyl alcohol [2-Propen-1-ol]Toxic1721,496,659
Acrylyl chloride [2-Propenoyl chloride]Toxic148,000
Acrylonitrile [2-Propenenitrile]Toxic84341,825,959
Acrolein [2-Propenal]Toxic143,236,895
Allylamine [2-Propen-1-amine]Toxic2267,366
Ammonia (anhydrous)Toxic7,04110,490,688,224
Boron trichloride [Borane, trichloro-]Toxic3114,500
ArsineToxic970,603
Ammonia (conc 20% or greater)Toxic447210,486,496
Cyclohexylamine [Cyclohexanamine]Toxic3216,593,706
Dimethyldichlorosilane [Silane, dichlorodimethyl-]Toxic1017,472,769
Iron, pentacarbonyl- [Iron carbonyl (Fe(CO)5), (TB-5-11)-]Toxic138,500
Hydrogen sulfideToxic506,283,812
Hydrogen selenideToxic446,111
Hydrogen fluoride/Hydrofluoric acid (conc 50% or greater) [Hydrofluoric acid]Toxic14090,738,632
Isobutyronitrile [Propanenitrile, 2-methyl-]Toxic314,188,342
Isopropyl chloroformate [Carbonochloridic acid, 1-methylethy ester]Toxic7811,710
Methyl chloroformate [Carbonochloridic acid, methylester]Toxic3350,398
Methyl chloride [Methane, chloro-]Toxic4559,832,327
Methacrylonitrile [2-Propenenitrile, 2-methyl-]Toxic211,275,793
Hydrogen chloride (anhydrous) [Hydrochloric acid]Toxic8026,196,545
1,1-Dimethylhydrazine [Hydrazine, 1,1-dimethyl-]Toxic3219,313
Ethyleneimine [Aziridine]Toxic211,357,144
Ethylenediamine [1,2-Ethanediamine]Toxic5251,014,577
Ethylene oxide [Oxirane]Toxic85184,689,663
Epichlorohydrin [Oxirane, (chloromethyl)-]Toxic48120,262,765
FluorineToxic550,027
Formaldehyde (solution)Toxic174211,666,300
Hydrochloric acid (conc 37% or greater)Toxic4839,236,659
HydrazineToxic1417,712,926
FuranToxic33,780,367
Methyl hydrazine [Hydrazine, methyl-]Toxic511,720,924
Total----86,099,095,559


This search was done on November 20, 2017. It was compiled from government data last released on January 31, 2017. This search result was produced by RTK NET. The data were obtained from the U.S. EPA's Risk Management System database (RMP).