2832.20.00.00 - Other sulfites 🖩

This HTS category, 2832.20.00.00, encompasses "other sulfites" not specifically classified elsewhere within heading 2832. Sulfites are salts or esters of sulfurous acid (H₂SO₃). This classification is intended for sulfites of metals other than sodium, and for sulfites of organic radicals that are not specifically provided for under other headings in Chapter 28. Examples may include sulfites of potassium, calcium, or ammonium, as well as various organic sulfites.

This category serves as a residual category for sulfites, distinguishing itself from the more specific classification of 2832.10.00.00, which exclusively covers sodium sulfites. It also differentiates from the thiosulfates listed under 2832.30, as thiosulfates are sulfur compounds with a different chemical structure and properties than sulfites. The primary distinction lies in the cation or organic radical bonded to the sulfite anion.

As this HTS code is a leaf node, there are no further subdivisions. Classification into this category relies on identifying a sulfite compound that is not sodium sulfite and is not a thiosulfate, and for which no more specific HTS code exists. Customs officers will examine the chemical composition and the identity of the metallic or organic cation associated with the sulfite to ensure correct classification.