Pharma-Grade sec-Butyl Chloride
Low-impurity sec-Butyl chloride meeting USP/EP residual solvent limits for pharmaceutical manufacturing. Classified HTS 2903.19.30.00 as chemically defined saturated chlorinated acyclic hydrocarbon. Used in synthesis of active pharmaceutical ingredients (APIs).
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If further reacted into heterocyclic intermediate
Chapter notes exclude heterocyclic derivatives from acyclic hydrocarbon headings.
If non-pharma technical grade without purity certification
Same chemical but different purity/packaging may fall under residual 'other' category.
If pre-packaged as final dosage form excipient
Medicaments containing this compound classified by therapeutic use in Chapter 30.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Include DMF or residual solvent analysis per ICH Q3C guidelines
• FDA prior notice required; classify as 'drug intermediate' on entry summary
• GMP certificate may expedite CBP examination for pharma consignments
Related Products under HTS 2903.19.30.00
sec-Butyl Chloride
sec-Butyl chloride (2-chlorobutane) is a saturated chlorinated derivative of acyclic hydrocarbons, specifically a secondary alkyl chloride with the formula CH3-CHCl-CH2-CH3. It falls under HTS 2903.19.30.00 as it matches the exact subheading for this chemically defined compound. Primarily used as a solvent and intermediate in organic synthesis.
Industrial sec-Butyl Chloride Drum
Bulk sec-Butyl chloride packaged in 55-gallon UN-approved steel drums for industrial chemical manufacturing. Meets HTS 2903.19.30.00 as a saturated chlorinated acyclic hydrocarbon without excluded additives. Used as alkylating agent in pharmaceutical and agrochemical synthesis.
Laboratory Grade sec-Butyl Chloride
High-purity sec-Butyl chloride (99.5%+) packaged in 100mL-1L glass bottles for laboratory research use. Classified under HTS 2903.19.30.00 as a separate chemically defined organic compound per chapter notes. Used in synthetic chemistry for Grignard reagent preparation and extraction processes.
Stabilized sec-Butyl Chloride for Transport
sec-Butyl chloride with polymerization inhibitor (e.g., 0.01% BHT) added per chapter note (f) for safe long-distance transport. Remains classified under HTS 2903.19.30.00 as the stabilizer is necessary for preservation only. Supplied in ISO tank containers for chemical distributors.