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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If hydrogenated pyrazoline form
Hydrogenated pyrazole derivatives (pyrazolines) classified separately under 2933.39 per heading structure.
If pre-formulated as pesticide intermediate
Herbicide intermediates may fall under Chapter 38 if beyond pure chemical per end-use exclusions.
If deemed primarily a substituted pyridine/quinaldine
Certain cyclic alcohols/derivatives with N-heterocycles might shift if structure interpreted differently.
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Import Tips & Compliance
• Include impurity profiles in CoA to comply with 'whether or not containing impurities' note
• Use UN-approved packaging for lab chemicals to avoid transport issues
• Confirm no added solvents that could trigger Chapter 38 reclassification
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.
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.
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.
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.