Ethylene Brassylate (MACROSTART™)

Ethylene brassylate is a synthetic macrocyclic lactone classified as an acyclic polycarboxylic acid derivative under HTS 2917.19.30.00 due to its chemical structure derived from brassilic acid. It is primarily used as a high-impact fragrance fixative in perfumes to provide long-lasting scent profiles.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China4.8%+10.0%14.8%
🇲🇽Mexico4.8%+10.0%14.8%
🇨🇦Canada4.8%+10.0%14.8%
🇩🇪Germany4.8%+10.0%14.8%
🇯🇵Japan4.8%+10.0%14.8%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3302.10.50.00Higher: 19.4% vs 14.8%

If imported pre-mixed in final fragrance formulations

Mixtures containing 20%+ synthetic perfumery products fall under Chapter 33 as finished fragrance compounds rather than individual chemicals.

3824.99Higher: 15% vs 14.8%

If supplied as diluted solution with proprietary solvents

Chemical preparations not elsewhere specified may classify under 3824 if the dilution renders it suitable for specific formulation uses beyond pure chemical transport.

2915.90.50Higher: 28.8% vs 14.8%

If analyzed as saturated acyclic monocarboxylic acid derivative

Alternative chemical classification if structure interpreted differently from polycarboxylic lactone family.

Not sure which classification is right?

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Import Tips & Compliance

Provide Certificate of Analysis (CoA) confirming purity and identity as ethylene brassylate to avoid misclassification

Include Safety Data Sheet (SDS) detailing handling precautions as it's a fragrance chemical

Declare exact CAS number (105-95-3) on commercial invoice to match HTS description precisely