δ-Valerolactone from China
δ-Valerolactone is a six-membered lactone ring compound containing oxygen heteroatom only, falling under HTS 2932.20.50 as other lactones. Used in polymer production and as a biodegradable plasticizer.
Duty Rate — China → United States
16.2%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include polymerization inhibition certificate if stored >6 months to prevent classification as polymer
• Use DOT-spec drums; avoid glass bottles which trigger higher handling fees