Exaltolide (Cyclopentadecanolide) from China
Exaltolide is a macrocyclic lactone musk providing creamy, natural musky effects in perfumes. Though technically a lactone, artificial musk formulations import under HTS 2909.30.1000 provision when used as odoriferous compounds. It serves as a sustainable alternative to nitro musks.
Duty Rate — China → United States
15.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Distinguish from petroleum hydrocarbons via flash point documentation
• Biodegradability claims require OECD test verification for customs scrutiny
• Lactone ring structure may prompt secondary review against heading 2934 exclusions