2922.29.81 - Other

This category, HTS Code 2922.29.81, encompasses a broad range of amino-naphthols and amino-phenols, along with their respective ethers and esters, and their salts. Crucially, these compounds are characterized by containing only one kind of oxygen function. This excludes more complex molecules with multiple oxygen-containing groups, which would be classified elsewhere. The "Other" designation signifies that these are substances not specifically enumerated in preceding subcategories within the amino-naphthols and amino-phenols group.

Distinguishing this category from its sibling, HTS 2922.29.61, is essential. While both fall under "Other" amino-naphthols and amino-phenols, HTS 2922.29.61 is reserved for products specifically described within additional U.S. note 3 to Section VI. This means that HTS 2922.29.81 captures all other qualifying amino-naphthols, amino-phenols, their ethers, esters, and salts that *do not* meet the specific criteria outlined in that additional U.S. note.

Within HTS 2922.29.81, further subdivisions are provided to offer more granular classification. The subcategory 2922.29.81.10 specifically identifies p-Nitro-o-anisidine, a particular compound within this broad group. The remaining products that fit the general description of 2922.29.81 but are not p-Nitro-o-anisidine are then captured under the residual subcategory 2922.29.81.90, "Other." This hierarchical structure allows for precise identification of a wide array of chemical substances.