Import Administration
Ammonium Sulfate from People's Republic Of China (C-570-050)

Scope Description:

The merchandise covered by these orders is ammonium sulfate in all physical forms, with or without additives such as anti-caking agents. Ammonium sulfate, which may also be spelled as ammonium sulphate, has the chemical formula (NH[4])[2] SO[4].

The scope includes ammonium sulfate that is combined with other products, including by, for example, blending (i.e., mixing granules of ammonium sulfate with granules of one or more other products), compounding (i.e., when ammonium sulfate is compacted with one or more other products under high pressure), or granulating (incorporating multiple products into granules through, e.g., a slurry process). For such combined products, only the ammonium sulfate component is covered by the scope of these orders.

Ammonium sulfate that has been combined with other products is included within the scope regardless of whether the combining occurs in countries other than China.

Ammonium sulfate that is otherwise subject to these orders is not excluded when commingled (i.e., mixed or combined) with ammonium sulfate from sources not subject to these orders. Only the subject component of such commingled products is covered by the scope of these orders.

The Chemical Abstracts Service ("CAS") registry number for ammonium sulfate is 7783-20-2.

The merchandise covered by these orders is currently classifiable under Harmonized Tariff Schedule of the United States ("HTSUS") subheading 3102.21.0000. Although this HTSUS subheading and CAS registry number are provided for convenience and customs purposes, the written description of the scope of the orders is dispositive.