Fast Blue Base RS from Japan

Fast Blue Base RS is an amino-naphthol ether compound serving as a diazo component for brilliant, lightfast blue dyes in textile printing. Classified under HTS 2922.29.2600 as a fast color base, it is a separate chemically defined organic compound with oxygen-function amino groups, aligning with Chapter 29 heading provisions.

Duty Rate — Japan → United States

16.5%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Include technical data sheet proving use as diazonium coupler to distinguish from general amino-phenols

Avoid anti-dusting agents that could render it suitable for specific non-dye uses, risking Chapter 29 note (g) exclusion

For bulk imports, ensure packaging complies with DOT/UN hazardous material regulations for organic chemicals