Exaltolide (Cyclopentadecanolide) from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 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