2933.19.30/2,4-Diamino-6-pyrazolone/Japan

2,4-Diamino-6-pyrazolone from Japan

Diaminopyrazolone derivative used as stabilizer in color photographic emulsions. Its unfused pyrazole ring with amino substitutions fits HTS 2933.19.30 photographic chemicals. Prevents dye fading in processed color films.

Duty Rate — Japan → United States

16.5%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

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Import Tips

• Stability test data showing anti-fade performance essential for classification justification

• Avoid generic 'amine' labeling; specify heterocyclic pyrazolone structure prominently

• REACH compliance docs helpful even for US imports to demonstrate quality control