Monosodium 4-Aminoazobenzene-2,4-disulfonate from Mexico
This is the monosodium salt of 4-aminoazobenzenedisulfonic acid, a chemically defined diazo compound with an azo (-N=N-) linkage and sulfonic acid groups. It falls under HTS 2927.00.03.00 as a specific azo-compound listed in the tariff schedule for separate chemically defined organic compounds. Primarily used as an intermediate in dye synthesis.
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
• Provide chemical analysis certificates confirming identity as 4-aminoazobenzenedisulfonic acid monosodium salt to match exact HTS specification
• Ensure packaging complies with UN regulations for hazardous chemicals (likely irritant due to sulfonic groups); include MSDS documentation
• Verify purity levels (>95%) as impurities may trigger reclassification under general azo-compound headings