p-Tolyl Methyl Pyrazolone Aqueous Solution
Aminomethylphenylpyrazole dissolved in water as per chapter note (d), maintaining HTS 2933.19.04.00 classification for the named aromatic pyrazole. Used for safe lab handling in dye production. Solution form is normal for this reactive compound without specific use adaptation.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If purine or pyrimidine structure dominates
Other N-heterocyclics like purines in 2933.52 take precedence if applicable, but pyrazole is specific.
If solvent not water or exceeds safety norms
Non-water solvents only if solely for safety/transport per note (e), else mixtures.
If immunological product derived
Immunologicals excluded to Chapter 30 per chapter notes.
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Import Tips & Compliance
• Specify concentration to confirm it's standard dilution; provide pH stability data
• Use hazmat shipping labels for aqueous corrosives
• Avoid alcohol solvents to prevent 2207/2208 exclusion
Related Products under HTS 2933.19.04.00
Aminomethylphenylpyrazole (Phenylmethylaminopyrazole)
Aminomethylphenylpyrazole is a chemically defined aromatic heterocyclic compound containing an unfused pyrazole ring with nitrogen hetero-atoms, specifically named in HTS 2933.19.04.00. It serves as a key intermediate in pharmaceutical synthesis and agrochemical production. This classification applies due to its precise chemical structure matching the heading for aromatic pyrazole derivatives.
3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one (p-Tolyl Methyl Pyrazolone)
This is a specific aromatic pyrazolone derivative with a p-tolyl substituent and methyl group, explicitly listed under HTS 2933.19.04.00 for unfused pyrazole ring compounds. Commonly used as a dye intermediate and pharmaceutical precursor. Its classification stems from the chapter's focus on nitrogen-heterocyclic aromatics with precise pyrazole structures.
Phenylmethylaminopyrazole Technical Grade Powder
Technical grade powder of Aminomethylphenylpyrazole, a pure aromatic pyrazole compound under HTS 2933.19.04.00, with impurities not affecting its chemical definition. Used in fine chemical synthesis for herbicides and drugs. Fits chapter scope for separate chemically defined heterocyclics with nitrogen-only pyrazole rings.
p-Tolyl Methyl Pyrazolone Crystals 99% Purity
High-purity crystalline form of 3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one, directly specified in HTS 2933.19.04.00 as an aromatic pyrazole derivative. Essential for azo dye coupling and analgesic synthesis. Classified here due to its unfused pyrazole ring and chapter precedence for latest numerical heading.
Aminomethylphenylpyrazole with Stabilizer
Stabilized form of Aminomethylphenylpyrazole containing added anticaking agent for preservation/transport, explicitly allowed under HTS 2933.19.04.00 per chapter note (f). Used in bulk for pharmaceutical R&D. Remains classified as the core chemically defined pyrazole compound.
High-Purity Aminomethylphenylpyrazole for Pharma
Pharma-grade Aminomethylphenylpyrazole, 99.5% pure, listed under HTS 2933.19.04.00 as aromatic pyrazole with nitrogen hetero-atoms. Intermediate for antiviral drug synthesis. Pure form ensures Chapter 29 applicability over mixtures.