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2922.21.25.00/Technical Grade 1-Amino-8-Hydroxy-4,6-Naphthalenedisulfonic Acid Na Salt/Japan

Technical Grade 1-Amino-8-Hydroxy-4,6-Naphthalenedisulfonic Acid Na Salt from Japan

Technical grade version of the monosodium salt, containing allowed stabilizers per chapter note (f), still classified as the pure compound under HTS 2922.21.2500. Features amino-hydroxy oxygen functions on naphthalene with disulfonic sodium salt. Used in bulk for azo dye manufacturing.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Document stabilizer type and percentage to comply with note (f) allowances; test for anti-dusting agents that might trigger note (g)

• Pitfall: over 1% impurities could reclassify as 3824 product

Technical Grade 1-Amino-8-Hydroxy-4,6-Naphthalenedisulfonic Acid Na Salt from Japan — Import Duty Rate | HTS 2922.21.25.00