1-Chloro-2-methylpropan-2-ol from China

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 — China → United States

30.5%

Rate breakdown

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

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