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Ethylene Brassylate (MACROSTART™) from Japan

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.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

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