Homophthalic Acid
Homophthalic acid is a cyclic aromatic monocarboxylic acid used in organic synthesis and pharmaceutical intermediates. Falls under HTS 2916.39.79.00 as 'other' aromatic acid. Chemically defined structure meets chapter requirements.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 6.5% | +7.5% | 14% |
| 🇲🇽Mexico | 6.5% | — | 6.5% |
| 🇨🇦Canada | 6.5% | — | 6.5% |
| 🇩🇪Germany | 6.5% | — | 6.5% |
| 🇯🇵Japan | 6.5% | — | 6.5% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified as polycarboxylic acid
Dicarboxylic acids have dedicated headings; verify monocarboxylic vs poly per molecule count.
If containing heterocyclic ring
Heterocyclic compounds take precedence over carboxylic classification.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Include NMR/GC purity certificates for research chemical imports
• Declare intended synthesis use to avoid controlled precursor scrutiny
• Ensure no metal salts; coordination compounds classify differently per notes
Related Products under HTS 2916.39.79.00
Phenylacetic Acid
Phenylacetic acid (C6H5CH2COOH) is an aromatic monocarboxylic acid used in pharmaceutical synthesis and as a precursor for penicillin. Classified under HTS 2916.39.79.00 as an 'other' aromatic monocarboxylic acid derivative. Meets Chapter 29 requirements for separate chemically defined organic compounds.
Salicylic Aldehyde Carboxylic Acid Derivative
Specialty aromatic monocarboxylic acid derivatives used in fine chemical synthesis. HTS 2916.39.79.00 captures niche aromatic acids not elsewhere specified. Chemically pure per Chapter 29 definitions.
Naphthoic Acid
1-Naphthoic acid and 2-naphthoic acid are polycyclic aromatic monocarboxylic acids used in dyes and pharmaceuticals. HTS 2916.39.79.00 for other aromatic monocarboxylic acids. Qualifies as pure organic compound.
Benzoic Acid
Benzoic acid is an aromatic monocarboxylic acid with the formula C6H5COOH, used as a preservative in foods and pharmaceuticals. It falls under HTS 2916.39.79.00 as an aromatic monocarboxylic acid not specifically enumerated elsewhere in the 'other' category of this subheading. This chemically defined organic compound is a staple in chemical manufacturing.
Mandelic Acid
Mandelic acid (hydroxyphenylacetic acid) is an alpha-hydroxy aromatic monocarboxylic acid used in cosmetics and urinary tract pharmaceuticals. Falls under HTS 2916.39.79.00 as an 'other' derivative of aromatic monocarboxylic acids. Qualifies as chemically defined per Chapter 29 scope.
Cinnamic Acid
Cinnamic acid (3-phenylacrylic acid) is an unsaturated aromatic monocarboxylic acid used in perfumes, flavors, and sunscreen formulations. Classified in HTS 2916.39.79.00 as 'other' aromatic monocarboxylic acid. Its structure fits Chapter 29 for separate organic compounds.