1-Chloro-2-methylpropan-2-ol from Canada
1-Chloro-2-methylpropan-2-ol is a branched, halogenated tertiary alcohol used in fragrance synthesis and as a protecting group. Classified in HTS 2905.59.90.00 for 'other' halogenated acyclic alcohol derivatives, its acyclic chain and OH group qualify per Chapter 29 notes. Distinct from straight-chain chlorohydrins.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Validate branched structure with molecular formula C4H9ClO documentation
• Monitor for peroxide formation; include inhibitor certificates if stabilized
• Avoid bulk packaging over 30L drums to prevent 'preparations' reclassification