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

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 — Germany → United States

10%

Rate breakdown

9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%

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