2-Diazo-1-Naphthol-4-Sulfonic Acid from Mexico
A diazo coupling agent used in diazo-type copying papers and films, reacting to produce visible azo images upon light exposure. Classified under HTS 2927.00.25.00 due to its role in light-sensitive photographic reproduction processes.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include end-use statements from buyer specifying photographic paper manufacturing to justify tariff classification
• Ensure proper Hazard Class 6.1 labeling for toxic diazonium salts during ocean transport
• Test for stabilizer content; excess additives may reclassify as mixtures under heading 3824