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2921.42.36.00/2,5-Dichloroaniline-4-sulfonic acid/Japan

2,5-Dichloroaniline-4-sulfonic acid from Japan

2,5-Dichloroaniline-4-sulfonic acid is a sulfonated aromatic amine explicitly covered by HTS 2921.42.36.00. Used in manufacturing acid dyes and as a pharmaceutical intermediate.

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

• Confirm free acid vs salt form; only monosodium salt explicitly listed with parent acid

• Sulfuric acid derivatives require pH testing documentation for proper amine-function classification

• Avoid water solutions exceeding transport concentration limits per Chapter 29 note (e)

2,5-Dichloroaniline-4-sulfonic acid from Japan — Import Duty Rate | HTS 2921.42.36.00