2904.10.10.00/1,5-Naphthalenedisulfonic Acid/Japan

1,5-Naphthalenedisulfonic Acid from Japan

1,5-Naphthalenedisulfonic acid is a di-sulfonated naphthalene derivative explicitly provided for in HTS 2904.10.10.00 as a sulfonated hydrocarbon with only sulfo groups. It is widely used in the production of azo dyes and optical brighteners.

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

• Include NMR or HPLC purity certificates; impurities may affect classification purity requirements

• Label as UN 3265 corrosive liquid for proper hazmat shipping compliance

• Check REACH compliance for EU transshipments involving this dye intermediate