4,7-Dichloroquinoline Stabilized with Antioxidant
Stabilized 4,7-dichloroquinoline with added antioxidant for transport preservation, permitted under Chapter 29 note (f), maintains classification in HTS 2933.49.08.00 as the primary compound remains chemically defined. Used in multi-step synthesis of quinoline-based APIs.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If stabilizer renders it suitable for dye production
Additions making product suitable for specific uses (dye intermediates) shift classification per Chapter Note (g).
If antioxidant formulation exceeds simple stabilization
Antioxidant preparations beyond simple stabilization classify as Chapter 38 additives.
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Import Tips & Compliance
• Document stabilizer addition as 'necessary for preservation' per Chapter Note (f) to justify classification
• Ensure stabilizer <1% w/w to avoid 'particularly suitable for specific use' exclusion
• Separate stabilizer composition in SDS to preempt mixture classification challenges
Related Products under HTS 2933.49.08.00
4,7-Dichloroquinoline
4,7-Dichloroquinoline is a heterocyclic compound containing a quinoline ring system with chlorine atoms at the 4 and 7 positions, classified under HTS 2933.49.08.00 as a nitrogen hetero-atom compound with a quinoline structure not further fused. It serves as a key intermediate in pharmaceutical synthesis, particularly for antimalarial drugs like chloroquine derivatives.
4,7-Dichloroquinoline 98% Technical Grade
Technical grade 4,7-dichloroquinoline with 98% purity is used as a synthetic intermediate for agrochemicals and pharmaceuticals, falling under HTS 2933.49.08.00 due to its specific quinoline ring substitution. The chapter notes confirm classification of pure chemically defined heterocyclic compounds.
4,7-Dichloroquinoline Hydrochloride Salt
The hydrochloride salt form of 4,7-dichloroquinoline, classified with the parent base under HTS 2933.49.08.00 per Chapter Note 3(C)(1) for inorganic salts of organic compounds. Improves handling properties for pharmaceutical intermediate applications.
High Purity 4,7-Dichloroquinoline 99.5%+ for API Synthesis
Ultra-high purity 4,7-dichloroquinoline (>99.5%) specifically manufactured for active pharmaceutical ingredient synthesis, classified under HTS 2933.49.08.00 as a chemically defined quinoline derivative. Meets stringent pharma intermediate specifications.
4,7-Dichloroquinoline in Ethanol Solution 10% w/v
10% w/v solution of 4,7-dichloroquinoline in ethanol for safe transport, classified under HTS 2933.49.08.00 per Chapter Note (e) as solvent dissolution necessary for safety/transport. Ethanol evaporates during use in synthesis.
4,7-Dichloroquinoline with Anti-Dusting Agent
4,7-Dichloroquinoline powder treated with anti-dusting agent for safe handling, permitted under Chapter Note (g) and classified in HTS 2933.49.08.00. The addition facilitates identification/safety without specific use suitability.