U.S. Imports Of Major Nitrogen Compounds

TABLE 11
U.S. IMPORTS OF MAJOR NITROGEN COMPOUNDS¹

(Thousand metric tons and thousand dollars)

	2006				2007
	Gross�	Nitrogen			Gross�	Nitrogen
Compound	weight	content�	Value²		weight	content�	Value²	Principal sources, 2007
Ammonium nitrate³	1,110	376	263,000		1,110	376	278,000	Canada, 41%; Netherlands, 21%.
Ammonium nitrate-
limestone mixtures	4	1	253		81	22	18,800	Belgium, 50%; Greece, 26%.
Ammonium sulfate³	339	72	56,400		405	86	67,900	Canada, 99%.
Anhydrous ammonia⁴	7,200	5,920	2,350,000		7,940	6,530	2,690,000	Trinidad and Tobago, 55%; Russia, 21%; Canada, 12%.
Calcium nitrate	157	27	17,200		188	32	21,400	Norway, 93%.
Diammonium phosphate	54	10	32,000		15	3	10,100	Mexico, 55%; Belgium, 14%; Russia, 12%; China, 12%.
Monoammonium phosphate	96	11	35,600		58	6	31,000	Canada, 50%; Mexico, 19%.
Nitrogen solutions	1,980	591	383,000		3,200	957	769,000	Russia, 21%; Canada, 19%; Romania, 19%.
Potassium nitrate	150	21	59,900		136	19	56,000	Chile, 71%; Israel, 27%.
Potassium nitrate-sodium
nitrate mixtures	(5)	(5)	193	^r	(5)	(5)	174	Canada, 68%; Jordan, 32%.
Sodium nitrate	75	12	20,500	^r	82	14	19,100	Chile, 82%; Germany, 12%.
Urea	5,030	2,310	1,340,000		6,550	3,006	2,220,000	Canada, 26%; China, 11%; Kuwait, 9%; Venezuela, 8%.
Total�	16,200	9,350	4,560,000	^r	19,800	11,100	6,180,000
^rRevised.
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.