Where am I: Guidance for Reporting Aqueous Ammonia
EPA is providing the following table of CAS numbers and chemical names to aid the regulated community in determining whether they need to report under the ammonia listing for aqueous ammonia. If a facility manufactures, processes, or otherwise uses, in aqueous solution, a chemical, which is listed below, they must report 10 percent of the total aqueous ammonia that is the result of the dissociation of this chemical. However, this list is not exhaustive. If a facility manufactures, processes, or otherwise uses, in aqueous solution, a water dissociable ammonium compound, they must report 10 percent of the total aqueous ammonia that is the result of the dissociation of the compound, even if the compound does not appear in the following table.
Table 1. Listing by CAS Number and Molecular Weight of Some Chemical Sources of Aqueous Ammonia | |||
Chemical Name |
Molecular Weight* |
NH3 Equivalent Wt. %
|
CAS Number |
Ammonium acetate |
77.08 |
22.09 |
631-61-8 |
Ammonium aluminum sulfate (Ammonium aluminum disulfate) |
237.14 |
7.181 |
7784-25-0 |
Ammonium antimony fluoride (Diammonium pentafluoroantimonate) |
252.82 |
13.47 |
32516-50-0 |
Ammonium arsenate (Ammonium arsenate, hydrogen) (Ammonium arsenate, dihydrogen) |
158.97 |
10.71 |
13462-93-6 |
Ammonium arsenate (Diammonium arsenate) (Diammonium arsenate, hydrogen) (Diammonium arsenate, monohydrogen) |
176.00 |
19.35 |
7784-44-3 |
Ammonium arsenite |
124.96 |
13.63 |
13462-94-7 |
Ammonium azide |
60.06 |
28.35 |
12164-94-2 |
Ammonium benzenesulfonate |
175.20 |
9.720 |
19402-64-3 |
Ammonium benzoate |
139.15 |
12.24 |
1863-63-4 |
Ammonium bromate |
145.94 |
11.67 |
13843-59-9 |
Ammonium bromide |
97.94 |
17.39 |
12124-97-9 |
Ammonium cadmium chloride (Ammonium cadmium trichloride) |
236.81 |
7.191 |
18532-52-0 |
Ammonium carbamate |
78.07 |
21.81 |
1111-78-0 |
Ammonium carbonate carbamate |
157.13 |
21.68 |
8000-73-5 |
Ammonium carbonate (Diammonium carbonate) |
96.09 |
35.45 |
506-87-6 |
Ammonium carbonate, hydrogen (Ammonium bicarbonate) |
79.06 |
21.54 |
1066-33-7 |
Ammonium cerium nitrate (Ammonium hexanitratocerate) (Ammonium hexanitratocerate (IV)) (Diammonium cerium hexanitrate) |
548.23 |
6.213 |
16774-21-3 |
Ammonium cerous nitrate (Ammonium cerous nitrate, tetrahydrate) |
486.22 |
7.005 |
13083-04-0 |
Ammonium chlorate |
101.49 |
16.78 |
10192-29-7 |
Ammonium perchlorate |
117.49 |
14.49 |
7790-98-9 |
Ammonium chloride |
53.49 |
31.84 |
12125-02-9 |
Ammonium chromate (Ammonium chromate (VI)) (Diammonium chromate) |
152.07 |
22.40 |
7788-98-9 |
Ammonium chromate (Ammonium dichromate) (Ammonium dichromate (VI)) (Ammonium bichromate) (Diammonium dichromate) |
252.06 |
13.51 |
7789-09-5 |
Ammonium chromium sulfate (Ammonium chromic sulfate) |
265.17 |
6.422 |
13548-43-1 |
Ammonium citrate (Ammonium citrate, monohydrogen) (Ammonium citrate, dibasic) (Diammonium citrate) (Diammonium citrate, hydrogen) |
226.19 |
15.06 |
3012-65-5 |
Ammonium citrate (Ammonium citrate, tribasic) (Triammonium citrate) |
243.22 |
21.01 |
3458-72-8 |
Ammonium cobalt sulfate (Ammonium cobaltous sulfate) |
289.14 |
11.78 |
13596-46-8 |
Ammonium cupric chloride (Ammonium chlorocuprate (II)) (Diammonium copper tetrachloride) (Diammonium tetrachlorocuprate) |
241.43 |
14.11 |
15610-76-1 |
Ammonium cyanate (Ammonium isocyanate) |
60.06 |
28.35 |
22981-32-4 |
Ammonium cyanide |
44.06 |
38.65 |
12211-52-8 |
Ammonium cyanoaurate, monohydrate (Ammonium tetracyanoaurate, monohydrate) |
319.07 |
5.337 |
14323-26-3 |
Ammonium cyanoaurate (Ammonium dicyanoaurate) |
267.04 |
6.377 |
31096-40-9 |
Ammonium ferricyanide (Ammonium hexacyanoferrate (III)) (Triammonium hexacyanoferrate) |
266.07 |
19.20 |
14221-48-8 |
Ammonium ferrocyanide (Ammonium hexacyanoferrate (II)) (Tetraammonium ferrocyanide) (Tetraammonium hexacyanoferrate) |
284.11 |
23.98 |
14481-29-9 |
Ammonium fluoride |
37.04 |
45.98 |
12125-01-8 |
Ammonium fluoride (Ammonium difluoride) (Ammonium bifluoride) (Ammonium fluoride, hydrogen) (Ammonium difluoride, hydrogen) (Ammonium bifluoride, hydrogen) |
57.04 |
29.86 |
1341-49-7 |
Ammonium fluoroborate (Ammonium tetrafluoroborate) |
104.84 |
16.24 |
13826-83-0 |
Ammonium fluorogermanate (IV) (Ammonium hexafluorogermanate (IV)) (Diammonium hexafluorogermanate) |
222.66 |
15.30 |
16962-47-3 |
Ammonium fluorophosphate (Ammonium hexafluorophosphate) |
163.00 |
10.45 |
16941-11-0 |
Ammonium fluorosulfate (Ammonium fluorosulfonate) |
117.10 |
14.54 |
13446-08-7 |
Ammonium formate |
63.06 |
27.01 |
540-69-2 |
Ammonium gallium sulfate |
282.90 |
6.020 |
15335-98-5 |
Ammonium hydroxide |
35.05 |
48.59 |
1336-21-6 |
Ammonium iodide |
144.94 |
11.75 |
12027-06-4 |
Ammonium iridium chloride (Ammonium chloroiridate (III)) (Ammonium hexachloroiridate) (Triammonium hexachloroiridate) |
459.05 |
11.13 |
15752-05-3 |
Ammonium iron sulfate (Ammonium ferric sulfate) (Ammonium iron disulfate) |
269.02 |
6.330 |
10138-04-2 |
Ammonium iron sulfate (Ammonium ferrous sulfate) (Diammonium iron disulfate) (Diammonium ferrous disulfate) |
286.05 |
11.91 |
10045-89-3 |
Ammonium lactate (Ammonium 2-hydroxypropionate) |
107.11 |
15.90 |
515-98-0 |
Ammonium laurate (Ammonium dodecanoate) |
217.35 |
7.835 |
2437-23-2 |
Ammonium magnesium sulfate |
252.50 |
13.49 |
14727-95-8 |
Ammonium malate |
168.15 |
20.26 |
6283-27-8 |
Ammonium malate, hydrogen (Ammonium bimalate) |
151.12 |
11.27 |
5972-71-4 |
Ammonium molybdate (Diammonium molybdate) |
196.01 |
17.38 |
13106-76-8 |
Ammonium molybdate (Ammonium heptamolybdate) (Ammonium molybdate, hydrate) (Ammonium molybdate, tetrahydrate) (Ammonium paramolybdate, tetrahydrate) |
1163.8 |
8.780 |
12054-85-2 |
Ammonium nickel chloride, hexahydrate |
183.09 |
9.301 |
16122-03-5 |
Ammonium nickel sulfate (Ammonium nickel sulfate, hexahydrate) (Ammonium nickel disulfate, hexahydrate) (Diammonium nickel disulfate, hexahydrate) |
286.88 |
11.87 |
7785-20-8 |
Ammonium nitrate |
80.04 |
21.28 |
6484-52-2 |
Ammonium nitrate sulfate |
212.18 |
24.08 |
12436-94-1 |
Ammonium nitrite |
64.04 |
26.59 |
13446-48-5 |
Ammonium oleate |
299.50 |
5.686 |
544-60-5 |
Ammonium oxalate |
124.10 |
27.45 |
1113-38-8 |
Ammonium palladium chloride (Ammonium chloropalladate (II)) (Ammonium tetrachloropalladate (II)) (Diammonium tetrachloropalladate) |
284.31 |
11.98 |
13820-40-1 |
Ammonium phosphate (Ammonium orthophosphate) |
149.09 |
34.27 |
10124-31-9 |
Ammonium phosphate (Ammonium biphosphate) (Ammonium phosphate, hydrogen) (Ammonium phosphate, dihydrogen) (Ammonium orthophosphate, dihydrogen) (Ammonium phosphate, monobasic) |
115.03 |
14.80 |
7722-76-1 |
Ammonium phosphate (Ammonium phosphate, hydrogen) (Ammonium orthophosphate, monohydrogen) (Ammonium phosphate, dibasic) (Ammonium orthophosphate, dibasic) (Diammonium phosphate) (Diammonium orthophosphate) (Diammonium phosphate, hydrogen) (Diammonium phosphate, monohydrogen) (Diammonium orthophosphate, hydrogen) |
132.06 |
25.79 |
7783-28-0 |
Ammonium phosphinate (Ammonium hypophosphite) |
83.03 |
20.51 |
7803-65-8 |
Ammonium phosphite (Ammonium biphosphite) (Ammonium phosphite, dihydrogen) |
99.03 |
17.20 |
13446-12-3 |
Ammonium picramate |
216.15 |
7.879 |
1134-85-6 |
Ammonium propionate |
91.11 |
18.69 |
17496-08-1 |
Ammonium rhodium chloride (Ammonium chlororhodate (III)) (Ammonium hexachlororhodate (III)) (Triammonium rhodium hexachloride) (Triammonium hexachlororhodate) |
369.74 |
13.82 |
15336-18-2 |
Ammonium salicylate (Ammonium 2-hydroxybenzoate) |
155.15 |
10.98 |
528-94-9 |
Ammonium selenide |
115.04 |
29.61 |
66455-76-3 |
Ammonium silicon fluoride (Ammonium fluorosilicate) (Ammonium hexafluorosilicate) (Diammonium silicon hexafluoride) (Diammonium fluorosilicate) (Diammonium hexafluorosilicate) |
178.15 |
19.12 |
16919-19-0 |
Ammonium stearate (Ammonium octadecanoate) |
301.51 |
5.648 |
1002-89-7 |
Ammonium succinate (Diammonium succinate) |
152.15 |
22.39 |
2226-88-2 |
Ammonium sulfamate (Ammonium amidosulfate) (Ammonium amidosulfonate) |
114.12 |
14.92 |
7773-06-0 |
Ammonium sulfate (Diammonium sulfate) |
132.13 |
25.78 |
7783-20-2 |
Ammonium sulfate (Ammonium bisulfate) (Ammonium sulfate, hydrogen) (Ammonium sulfate, monohydrogen) |
115.10 |
14.80 |
7803-63-6 |
Ammonium persulfate (Ammonium peroxysulfate) (Ammonium peroxydisulfate) (Diammonium persulfate) (Diammonium peroxydisulfate) |
228.19 |
14.93 |
7727-54-0 |
Ammonium sulfide (Ammonium bisulfide) (Ammonium sulfide, hydrogen) |
51.11 |
33.32 |
12124-99-1 |
Ammonium sulfide (Ammonium monosulfide) (Diammonium sulfide) |
68.14 |
49.99 |
12135-76-1 |
Ammonium sulfide (Diammonium pentasulfide) |
196.39 |
17.34 |
12135-77-2 |
Ammonium sulfite, monohydrate (Diammonium sulfite, monohydrate) |
116.13 |
29.33 |
7783-11-1 |
Ammonium sulfite (Ammonium bisulfite) (Ammonium sulfite, hydrogen) |
99.10 |
17.18 |
10192-30-0 |
Ammonium tetrachloroaurate (III), hydrate |
356.82 |
4.772 |
13874-04-9 |
Ammonium thiocarbamate |
94.13 |
18.09 |
16687-42-6 |
Ammonium thiocarbonate (Diammonium trithiocarbonate) |
144.27 |
23.61 |
13453-08-2 |
Ammonium thiocyanate (Ammonium isothiocyanate) (Ammonium sulfocyanate) (Ammonium rhodanate) (Rhodanid) |
76.12 |
22.37 |
1762-95-4 |
Ammonium dithionate |
196.19 |
17.36 |
60816-52-6 |
Ammonium thiosulfate (Ammonium hyposulfite) (Diammonium thiosulfate) |
148.20 |
2.98 |
7783-18-8 |
Ammonium tin bromide (Ammonium bromostannate (IV)) (Ammonium hexabromostannate (IV)) (Diammonium hexabromostannate) |
634.19 |
5.371 |
16925-34-1 |
Ammonium tin chloride (Ammonium chlorostannate (IV)) (Ammonium hexachlorostannate (IV)) (Diammonium tin hexachloride) (Diammonium hexachlorostannate) |
367.48 |
9.269 |
16960-53-5 |
Ammonium titanium fluoride (Ammonium fluorotitanate (IV)) (Ammonium hexafluorotitanate (IV)) (Diammonium titanium hexafluoride) (Diammonium hexafluorotitanate) |
197.95 |
17.21 |
16962-40-6 |
Ammonium titanium oxalate, monohydrate (Diammonium dioxalatooxotitanate, monohydrate) |
276.00 |
12.34 |
10580-03-7 |
Ammonium tungstate (Ammonium tungstate (VI)) (Ammonium paratungstate) (Hexaammonium tungstate) |
1779.2 |
5.743 |
12028-06-7 |
Ammonium tungstate (Ammonium tungstate (VI)) (Ammonium paratungstate) (Decaammonium tungstate) |
3058.6 |
5.568 |
11120-25-5 |
Ammonium valerate (Ammonium pentanoate) |
19.16 |
14.29 |
42739-38-8 |
Ammonium zinc chloride (Ammonium chlorozincate) (Ammonium tetrachlorozincate) (Diammonium tetrachlorozincate) |
243.27 |
14.00 |
14639-97-5 |
* For hydrated compounds, e.g. ammonium sulfite, monohydrate, the molecular weight excludes the weight of the hydrate portion.