1-(o-Ethylphenyl)-3-methyl-2-pyrazolin-5-one
Ethylphenyl substituted pyrazolone listed under HTS 2933.19.08.00. Unfused pyrazole ring with aromatic modification fits Chapter 29 heterocyclic criteria. Employed in dye chemistry and polymer additives.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used as rubber accelerator additive
Certain pyrazolones in rubber compounding classify as additives.
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Import Tips & Compliance
• Ethyl group increases flammability; flash point certification required
• Ortho substitution confirmed via X-ray crystallography in CoA
• Polymer additive use may trigger additional TSCA reporting
Related Products under HTS 2933.19.08.00
3-(5-Amino-3-methyl-1H-pyrazol-1-yl)-benzenesulfonic acid
This is a chemically defined aromatic pyrazole derivative with a sulfonic acid group, specifically listed under HTS 2933.19.08.00. It serves as an intermediate in the synthesis of azo dyes and pharmaceuticals. The compound contains an unfused pyrazole ring with nitrogen hetero-atoms, qualifying it for Chapter 29 classification per the chapter notes.
Amino-J-pyrazolone
Amino-J-pyrazolone is a specific aromatic pyrazolone compound explicitly named in HTS 2933.19.08.00, featuring an unfused pyrazole ring. Primarily used as a dye coupling agent and pharmaceutical intermediate. Its heterocyclic nitrogen structure and aromatic modification fit Chapter 29 requirements.
3-Amino-1-(2,4,6-trichlorophenyl)-5-pyrazolone
This chlorinated aromatic pyrazolone derivative is expressly listed under HTS 2933.19.08.00. The unfused pyrazole ring with nitrogen hetero-atoms and aromatic substitution makes it a Chapter 29 compound. Used in synthesis of trichloropyrazolone dyes and agrochemicals.
Sulfinpyrazone
Sulfinpyrazone, a specific pyrazolone derivative listed in HTS 2933.19.08.00, features an unfused pyrazole ring with aromatic modification. Primarily imported as a pharmaceutical intermediate for anti-inflammatory drugs. Meets Chapter 29 criteria for chemically defined heterocyclic compounds.
1-(m-Chlorophenyl)-3-methyl-2-pyrazolin-5-one
This chlorophenyl-substituted pyrazolone is explicitly named in HTS 2933.19.08.00 as an aromatic pyrazole compound. Contains unfused pyrazole ring qualifying under Chapter 29 heading 2933. Used as dye intermediate and in organic synthesis.
p-Chloropyrazolone
p-Chloropyrazolone is a listed aromatic pyrazole derivative under HTS 2933.19.08.00 with unfused pyrazole ring and chlorine substitution. Common dye coupler in azo pigment manufacturing. Chemically defined structure fits Chapter 29 heterocyclic compounds scope.