U.S. Imports Of Major Nitrogen Compounds

TABLE 11
U.S. IMPORTS OF MAJOR NITROGEN COMPOUNDS¹

(Thousand metric tons and thousand dollars)

	2005			2006
	Gross�	Nitrogen		Gross�	Nitrogen
Compound	weight	content�	Value²	weight	content�	Value²	Principal sources, 2006
Ammonium nitrate³	886	300	189,000	1,110	376	263,000	Canada, 49%; Romania, 18%.
Ammonium nitrate-
limestone mixtures	2	1	209	4	1	253	India, 76%; Japan, 23%.
Ammonium sulfate³	280	59	45,200	339	72	56,400	Canada, 88%.
Anhydrous ammonia⁴	7,930	6,520	2,220,000	7,200	5,920	2,350,000	Trinidad and Tobago, 57%; Canada, 14%; Ukraine, 14%.
Calcium nitrate	119	20	13,100	157	27	17,200	Norway, 99%.
Diammonium phosphate	10	2	9,130	54	10	32,000	Russia, 87%.
Monoammonium phosphate	141	16	56,400	96	11	35,600	Canada, 48%; Russia, 28%.
Nitrogen solutions	2,820	844	543,000	1,980	591	383,000	Russia, 34%; Canada, 26%; Romania, 12%.
Potassium nitrate	87	12	33,900	150	21	59,900	Chile, 67%; Israel, 30%.
Potassium nitrate-sodium
nitrate mixtures	6	1	2,250	(5)	(5)	184	Canada, 90%.
Sodium nitrate	71	12	20,000	75	12	23,100	Chile, 86%; Germany, 13%.
Urea	5,670	2,600	1,540,000	5,030	2,310	1,340,000	Canada, 36%; Qatar, 10%; Kuwait, 10%.
Total�	18,000	10,400	4,670,000	16,200	9,350	4,550,000
¹Data are rounded to no more than three significant digits; may not add to totals shown.
²Cost, insurance, and freight value.
³Includes industrial chemical products.
⁴Includes industrial ammonia.
⁵Less than � unit.

Source: U.S. Census Bureau.