| Chemical |
CAS number |
Threshold quantity (lbs)
|
| Acetaldehyde
|
75-07-0
|
2500
|
| Acrolein
|
107-02-8
|
150
|
| Acryloyl chloride
|
814-68-6
|
250
|
| Allyl chloride
|
107-05-1
|
1000
|
| Allylamine
|
107-11-9
|
1000
|
| Alkylaluminum
|
Varies
|
5000
|
| Ammonia, anhydrous
|
7664-41-7
|
10000
|
| Ammonia solutions (greater than 44% ammonia by weight)
|
7664-41-7
|
15000
|
| Ammonium perchlorate
|
7790-98-9
|
7500
|
| Ammonium permanganate
|
7787-36-2
|
7500
|
| Arsine
|
7784-42-1
|
100
|
| Bis(chloromethyl) ether
|
542-88-1
|
100
|
| Boron trichloride
|
10294-34-5
|
2500
|
| Boron trifluoride
|
7637-07-2
|
250
|
| Bromine
|
7726-95-6
|
1500
|
| Bromine chloride
|
13863-41-7
|
1500
|
| Bromine pentafluoride
|
7789-30-2
|
2500
|
| Bromine trifluoride
|
7787-71-5
|
15000
|
| 3-Bromopropyne
|
106-96-7
|
100
|
| tert-Butyl hydroperoxide
|
75-91-2
|
5000
|
| tert-Butyl perbenzoate
|
614-45-9
|
7500
|
| Carbonyl chloride
|
75-44-5
|
100
|
| Carbonyl fluoride
|
353-50-4
|
2500
|
| Cellulose nitrate (concentration greater than 12.6% nitrogen)
|
9004-70-0
|
2500
|
| Chlorine
|
7782-50-5
|
1500
|
| Chlorine dioxide
|
10049-04-4
|
1000
|
| Chlorine pentafluoride
|
13637-63-3
|
1000
|
| Chlorine trifluoride
|
7790-91-2
|
1000
|
| Chlorodiethylaluminum
|
96-10-6
|
5000
|
| 1-Chloro-2,4-dinitrobenzene
|
97-00-7
|
5000
|
| Chloromethyl methyl ether
|
107-30-2
|
500
|
| Chloropicrin
|
76-06-2
|
500
|
| Chloropicrin and methyl bromide mixture
|
None
|
1500
|
| Chloropicrin and methyl chloride mixture
|
None
|
1500
|
| Cumene hydroperoxide
|
80-15-9
|
5000
|
| Cyanogen
|
460-19-5
|
2500
|
| Cyanogen chloride
|
506-77-4
|
500
|
| Cyanuric fluoride
|
675-14-9
|
100
|
| Diacetyl peroxide (concentration greater than 70%)
|
110-22-5
|
5000
|
| Diazomethane
|
334-88-3
|
500
|
| Dibenzoyl peroxide
|
94-36-0
|
7500
|
| Diborane
|
19287-45-7
|
100
|
| tert-Dibutyl peroxide
|
110-05-4
|
5000
|
| Dichloroacetylene
|
7572-29-4
|
250
|
| Dichlorosilane
|
4109-96-0
|
2500
|
| Diethylzinc
|
557-20-0
|
10000
|
| Disopropyl peroxydicarbonate
|
105-64-6
|
7500
|
| Dilauroyl peroxide
|
105-74-8
|
7500
|
| Dimethyldichlorosilane
|
75-78-5
|
1000
|
| 1,1-Dimethylhydrazine
|
57-14-7
|
1000
|
| Dimethylamine, anhydrous
|
124-40-3
|
2500
|
| 2,4-Dinitroaniline
|
97-02-9
|
5000
|
| Ethyl nitrite
|
109-95-5
|
5000
|
| Ethylamine
|
75-04-7
|
7500
|
| Ethylene fluorohydrin
|
371-62-0
|
100
|
| Ethylene Oxide
|
75-21-8
|
5000
|
| Ethyleneimine
|
151-56-4
|
1000
|
| Fluorine
|
7782-41-4
|
1000
|
| Formaldehyde (formalin)
|
50-00-0
|
1000
|
| Furan
|
110-00-9
|
500
|
| Hexafluoroacetone
|
684-16-2
|
5000
|
| Hydrochloric acid, anhydrous
|
7647-01-0
|
5000
|
| Hydrofluoric acid, anhydrous
|
7664-39-3
|
1000
|
| Hydrogen bromide
|
10035-10-6
|
5000
|
| Hydrogen chloride
|
7647-01-0
|
5000
|
| Hydrogen cyanide, anhydrous
|
74-90-8
|
1000
|
| Hydrogen fluoride
|
7664-39-3
|
1000
|
| Hydrogen peroxide (52% by weight or greater)
|
7722-84-1
|
7500
|
| Hydrogen selenide
|
7783-07-5
|
150
|
| Hydrogen sulfide
|
7783-06-4
|
1500
|
| Hydroxylamine
|
7803-49-8
|
2500
|
| Iron pentacarbonyl
|
13463-40-6
|
250
|
| Isopropylamine
|
75-31-0
|
5000
|
| Ketene
|
463-51-4
|
100
|
| Methacrylaldehyde
|
78-85-3
|
1000
|
| Methacryloyl chloride
|
920-46-7
|
150
|
| Methacryloyloxyethyl isocyanate
|
30674-80-7
|
100
|
| Methyl acrylonitrile
|
126-98-7
|
250
|
| Methylamine, anhydrous
|
74-89-5
|
1000
|
| Methyl bromide
|
74-83-9
|
2500
|
| Methyl chloride
|
74-87-3
|
15000
|
| Methyl chloroformate
|
79-22-1
|
500
|
| Methyl ethyl ketone peroxide
|
1338-23-4
|
5000
|
| Methyl fluoroacetate
|
453-18-9
|
100
|
| Methyl fluorosulfate
|
421-20-5
|
100
|
| Methyl hydrazine
|
60-34-4
|
100
|
| Methyl iodide
|
74-88-4
|
7500
|
| Methyl isocyanate
|
624-83-9
|
250
|
| Methyl mercaptan
|
74-93-1
|
5000
|
| Methyl vinyl ketone
|
79-84-4
|
100
|
| Methyltrichlorosilane
|
75-79-6
|
500
|
| Nickel carbonyl
|
13463-39-3
|
150
|
| Nitric acid (94.5% by weight or greater)
|
7697-37-2
|
500
|
| Nitric oxide
|
10102-43-9
|
250
|
| para-Nitroaniline
|
100-01-6
|
5000
|
| Nitromethane
|
75-52-5
|
2500
|
| Nitrogen dioxide
|
10102-44-0
|
250
|
| Nitrogen oxides (NO; NO2; N2O4; N2O3)
|
10102-44-0
|
250
|
| Nitrogen tetroxide
|
10544-72-6
|
250
|
| Nitrogen trifluoride
|
7783-54-2
|
5000
|
| Nitrogen trioxide
|
10544-73-7
|
250
|
| Oleum (65% to 80% by weight)
|
8014-95-7
|
1000
|
| Osmium tetroxide
|
20816-12-0
|
100
|
| Oxygen difluoride
|
7783-41-7
|
100
|
| Ozone
|
10028-15-6
|
100
|
| Pentaborane
|
19624-22-7
|
100
|
| Peracetic acid (concentration greater than 60%)
|
79-21-0
|
1000
|
| Perchloric acid (concentration greater than 60% by weight)
|
7601-90-3
|
5000
|
| Perchloromethyl mercaptan
|
594-42-3
|
150
|
| Perchloryl fluoride
|
7616-94-6
|
5000
|
| Phosgene
|
75-44-5
|
100
|
| Phosphine
|
7803-51-2
|
100
|
| Phosphorus oxychloride
|
10025-87-3
|
1000
|
| Phosphorus trichloride
|
7719-12-2
|
1000
|
| Phosphoryl chloride
|
10025-87-3
|
1000
|
| Propargyl bromide
|
106-96-7
|
100
|
| Propyl nitrate
|
627-3-4
|
2500
|
| Sarin
|
107-44-8
|
100
|
| Selenium hexafluoride
|
7783-79-1
|
1000
|
| Stibine
|
7803-52-3
|
500
|
| Sulfur dioxide (liquid)
|
7446-09-5
|
1000
|
| Sulfur pentafluoride
|
5714-22-7
|
250
|
| Sulfur tetrafluoride
|
7783-60-0
|
250
|
| Sulfur trioxide
|
7446-11-9
|
1000
|
| Sulfuric anhydride
|
7446-11-9
|
1000
|
| Tellurium hexafluoride
|
7783-80-4
|
250
|
| Tetrafluoroethylene
|
116-14-3
|
5000
|
| Tetrafluorohydrazine
|
10036-47-2
|
5000
|
| Tetramethyl lead
|
75-74-1
|
1000
|
| Thionyl chloride
|
7719-09-7
|
250
|
| Trichloro(chloromethyl)silane
|
1558-25-4
|
100
|
| Trichloro(dichlorophenyl)silane
|
27137-85-5
|
2500
|
| Trichlorosilane
|
10025-78-2
|
5000
|
| Trifluorochloroethylene
|
79-38-9
|
10000
|
| Trimethoxysilane
|
2487-90-3
|
1500
|
