Technical Grade 4-Aminoazobenzene-2,4-disulfonate Sodium from Japan
Technical grade (>92% purity) monosodium salt of the named disulfonic acid azo-compound, containing minor stabilizers per Chapter 29 note (f). Remains under HTS 2927.00.03.00 as the principal chemically defined organic compound with impurities not altering classification. Standard for batch dye synthesis.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Disclose stabilizer composition (anticaking agents allowed); excess additives risk 3824 reclassification
• Use NA 1759 UN number for transport if dust hazard; align shipping papers with chemical identity