Dye Coupler H Salt Monosodium 1-Amino-8-OH-4,6-NDS from Germany
Industrial dye coupler known as H Salt, the monosodium salt of 1-amino-8-hydroxy-4,6-naphthalenedisulfonic acid. Precisely HTS 2922.21.2500 as a separate chemically defined oxygen-function amino-naphtholsulfonic salt. Essential for producing direct and reactive dyes in textile industry.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide coupling reaction data if questioned on end-use; ensure no added odoriferous substances beyond note (g) limits
• Common issue: bulk vs packaged for transport affecting duty