2929.10.27.00/N-Butyl Isocyanate 98% Stabilized/Japan

N-Butyl Isocyanate 98% Stabilized from Japan

N-Butyl isocyanate stabilized with 0.05% dibutyltin dilaurate (CAS 111-36-4) prevents polymerization during storage and transport. Remains classified under HTS 2929.10.2700 per Chapter 29 note (f) as the isocyanate retains its chemical identity with necessary stabilizer addition.

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%

Calculate with your customs value Verify classification with AI

Import Tips

• 1

• Declare stabilizer composition and percentage on commercial invoice; 2

• Stabilizer must be <1% to maintain principal compound status; 3

• Include accelerated stability test data