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2930.90.24.00/High-Purity N-Cyclohexylthiophthalimide for Synthetic Rubber/China

High-Purity N-Cyclohexylthiophthalimide for Synthetic Rubber from China

This high-purity grade of N-Cyclohexylthiophthalimide serves as a nitrosamine inhibitor and retarder in synthetic rubber compounding, particularly for automotive tires. As an aromatic organo-sulfur compound with sulfur directly bonded to carbon in the thiophthalimide structure, it complies with Chapter 29 definitions excluding sulfonated derivatives. Specific subheading 2930.90.24.00 covers this exact chemical entity.

Duty Rate — China → United States

19%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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Import Tips

• Include REACH-like compliance docs if from EU; label with CAS# 17796-82-6 for CBP verification

• Avoid pitfall: declaring under bulk rubber additives (4002) which applies only to polymers, not pure chemicals

High-Purity N-Cyclohexylthiophthalimide for Synthetic Rubber from China — Import Duty Rate | HTS 2930.90.24.00