Analysis
Heading 2927 of the Harmonized Tariff Schedule covers diazo-, azo- or azoxy-compounds. It has 8 tariff lines.
The spread of 6.5 percentage points between the cheapest and dearest lines makes misclassification expensive here. The highest rate, 6.5%, applies to 2927.00.25 (photographic chemicals) and 2927.00.30 (fast color bases and fast color salts).
2 of its 8 lines with a percentage rate are duty-free at the general rate (25%) and 6 are dutiable, from duty-free up to 6.5%. The median line pays 6.15%.
Its median rate of 6.15% sits at the 66th percentile of the headings in chapter 29.
By Census's concordance, most of its statistical lines are made by All Other Basic Organic Chemical Manufacturing (325199) and Synthetic Dye and Pigment Manufacturing (325130). Those are the NAICS industries a US producer of these goods would report under.
The heading text decides whether a product belongs here at all (General Rule of Interpretation 1); the subheadings and lines below it only apply once that is settled. Section and chapter notes can override the heading wording, so read them for borderline goods.
Tariff lines
| Line | Description | General rate |
|---|---|---|
| 2927.00.03 | 4-Aminoazobenzenedisulfonic acid, monosodium salt | Free |
| 2927.00.06 | p-Aminoazobenzenedisulfonic acid; and Diazoaminobenzene (1,3-Diphenyltriazene) | 5.8% |
| 2927.00.15 | 1,1'-Azobisformamide | 3.7% |
| 2927.00.18 | 1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5-oxo, ester with phenyl(2,3,4-trihydroxyphenyl)methanone; 1-Naphthalenesulfonic acid, 3-diazo-3,4-dihydro-4- oxo-ar'-(1-methylethyl) [1,1'-biphenyl]-4-yl ester; 1-Napthanlenesulfonic acid, 6-diazo-5,6-dihydro-5- oxo-,(octahydro-4,7-methano-1H-indene-2,5-diyl) bis- (methylene) ester; and 1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5- oxo-, 4-benzoyl-1,2,3-benzenetriyl ester | Free |
| 2927.00.25 | Photographic chemicals | 6.5% |
| 2927.00.30 | Fast color bases and fast color salts | 6.5% |
| 2927.00.40 | Products described in additional U.S. note 3 to section VI | 6.5% |
| 2927.00.50 | Other: other | 6.5% |