Diphenylthiourea Technical Grade from Mexico
Technical grade diphenylthiourea with stabilizer for rubber accelerator applications, maintained as chemically defined compound under chapter 29 note (f). Explicitly named in HTS 2930.90.26.00, distinguishing from mixtures. Purity typically 95-98% for industrial use.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Stabilizer must be declared but <1% to preserve chapter 29 status; provide stabilizer SDS
• Industrial users require consistent batch purity certification