2933.19.30/4-Methyl-1-phenyl-3-pyrazolone/Japan

4-Methyl-1-phenyl-3-pyrazolone from Japan

This is a pyrazole derivative used as a key intermediate in the synthesis of pyrazolone dyes for color photographic films and papers. Its aromatic pyrazole ring structure qualifies it under HTS 2933.19.30 as a photographic chemical containing an unfused pyrazole ring. The compound reacts with diazonium salts to form azo dyes essential for color development processes.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter

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Import Tips

• Provide detailed chemical analysis certificates confirming pyrazole structure and aromatic modification to avoid reclassification under general pyrazole headings

• Include end-use documentation specifying photographic dye applications to justify the 'photographic chemicals' provision

• Ensure proper Hazard Communication labeling (HazMat) as it may be classified as an irritant; common pitfall is insufficient safety data sheets