9902.01.37 - Hydroxylamine sulfate (bis(hydroxylammonium) sulfate) (CAS No. 10039-54-0) (provided for in subheading 2825.10.00)

This HTS classification specifically addresses Hydroxylamine sulfate, also known as bis(hydroxylammonium) sulfate, identified by CAS No. 10039-54-0. This compound is a salt of hydroxylamine, commonly used in various industrial applications, including as a reducing agent in chemical synthesis, in photography, and in the production of other chemicals. Its inclusion under this specific temporary provision signifies a particular regulatory or tariff treatment, distinct from its primary classification within Chapter 28, subheading 2825.10.00.

Given that this node is a leaf node within Chapter 99, there are no further subdivisions. Therefore, the focus for classification purposes lies in accurately identifying the substance as Hydroxylamine sulfate. This temporary classification supersedes the general classification rules found in other chapters of the Harmonized Tariff Schedule for the specific purposes outlined by the trade agreement legislation or Section 22 proclamations under which this provision is established. Importers must carefully consult the specific trade agreements or proclamations to understand the conditions and requirements associated with this special classification.