Benzonitrile Sulfonic Acid
Benzonitrile sulfonic acid is an aromatic nitrile with sulfonic acid substituent on benzene ring. It qualifies for HTS 2926.90.43.00 as an 'other' aromatic nitrile per additional U.S. note 3 to section VI, maintaining nitrile as principal function.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 6.5% | +25.0% | 31.5% |
| 🇲🇽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.
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Import Tips & Compliance
• Test for sulfonated derivative status per chapter note to avoid Chapter 28 inorganic acid classification
• Include wastewater treatment plan documentation for environmental compliance
Related Products under HTS 2926.90.43.00
4-Cyanophenol
4-Cyanophenol is an aromatic nitrile-function compound featuring a benzene ring with both cyano (-CN) and hydroxy (-OH) groups. It falls under HTS 2926.90.43.00 as an aromatic nitrile 'other' compound listed in additional U.S. note 3 to section VI, which specifies certain nitrile-function aromatics for tariff purposes.
2-Cyanopyridine
2-Cyanopyridine is a heterocyclic aromatic nitrile with cyano group attached to pyridine ring. Classified under HTS 2926.90.43.00 as an 'other' aromatic nitrile product described in additional U.S. note 3 to section VI, distinguishing it from aliphatic nitriles.
3-Hydroxybenzonitrile
3-Hydroxybenzonitrile contains cyano and meta-hydroxy groups on benzene ring, qualifying as aromatic nitrile 'other' under HTS 2926.90.43.00 per additional U.S. note 3 to section VI.
4-Nitrobenzonitrile
4-Nitrobenzonitrile features nitro group para to cyano on benzene, classified as aromatic nitrile 'other' in HTS 2926.90.43.00 per U.S. note 3 products.
Cyanocobalamin Intermediates
Specific aromatic nitrile intermediates used in cyanocobalamin (vitamin B12) synthesis fall under HTS 2926.90.43.00 as note 3 products.
p-Toluenesulfonyl Cyanide
p-Toluenesulfonyl cyanide is an aromatic organo-sulfur nitrile compound listed in additional U.S. note 3, classified under HTS 2926.90.43.00.