Pivaldehyde from Mexico
Pivaldehyde (pivot aldehyde, (CH3)3CCHO) is a sterically hindered acyclic aldehyde used in pharmaceutical synthesis and as a building block for fine chemicals. Falls under HTS 2912.19.5000 as other acyclic aldehydes lacking additional oxygen functions. Meets all Chapter 29 purity and definition requirements.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6094.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide IR spectrum showing characteristic 1725 cm⁻¹ carbonyl stretch for verification
• Store refrigerated; declare as UN 2856 if stabilized
• Document research/commercial grade to distinguish from lab reagents classifiable differently