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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If reacted to form finished synthetic organic pigments
Chapter 29 excludes completed coloring matter products.
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Import Tips & Compliance
• Dye intermediate imports need end-user statements to avoid Chapter 32 classification
• Dust hazard precautions required; anti-dusting agents permitted only per safety note (g)
• Confirm monochlorination via HPLC to match exact HTS compound description
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.
5-Imino-3-methyl-1-phenylpyrazole
This imino-substituted aromatic pyrazole is specifically enumerated in HTS 2933.19.08.00. Features unfused pyrazole ring with nitrogen hetero-atoms only, per heading requirements. Used in pharmaceutical research and as dye intermediate.