1-Phenyl-3-methyl-5-pyrazolone
A pyrazole derivative used as a key intermediate in the synthesis of photographic developers and dyes. This aromatic heterocyclic compound contains an unfused pyrazolone ring structure, qualifying it under HTS 2933.19.30 for photographic chemicals with pyrazole rings.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used primarily as an azo dye intermediate
Pyrazolone compounds functioning as couplers for azo dyes may classify under heterocyclic compounds with oxygen functions instead.
If when formulated as synthetic organic coloring matter
Chapter 29 excludes finished coloring matter; fully formulated dyes go to Chapter 32.
If imported as laboratory diagnostic reagent mixtures
Mixtures containing this compound for lab use classify as diagnostic reagents rather than pure chemicals.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Provide detailed chemical analysis certificates confirming pyrazole ring structure and aromatic modification for proper Chapter 29 classification
• Include end-use documentation specifying photographic chemical applications to avoid reclassification under dye headings
• Ensure compliance with TSCA pre-manufacture notification if used beyond photographic applications
Related Products under HTS 2933.19.30.95
4-Amino-1-phenyl-3-pyrazolidinone
Pyrazolidinone derivative serving as a developing agent in black-and-white photographic processing. Its unfused pyrazole ring and aromatic substitution place it specifically under HTS 2933.19.30.95 for photographic chemicals.
3-Methyl-1-p-sulophenyl-5-pyrazolone
Sulfonated pyrazolone used in color photographic coupler chemistry and dye synthesis. The aromatic-modified pyrazole ring structure fits HTS 2933.19.30.95 specifications for photographic chemicals.
1-(2,4,6-Trichlorophenyl)-5-pyrazolone-3-carboxylic Acid
Chlorinated aromatic pyrazolone carboxylic acid used in specialty photographic sensitizers. Falls under HTS 2933.19.30.95 due to unfused pyrazole ring and photographic chemical designation.
Ethyl 5-oxo-1-phenyl-1H-pyrazole-3-carboxylate
Pyrazole carboxylate ester intermediate for photographic dye-formers and developers. The unfused pyrazole ring with aromatic modification qualifies under HTS 2933.19.30.95.