Fast Blue Base BB from China
Fast Blue Base BB serves as a diazotizable aromatic amine for creating fast blue azo dyes used in cotton and wool printing. Classified under HTS 2921.49.32.00 as it meets the criteria for fast color bases per Chapter 29 notes. Its structure ensures high resistance to light and washing in finished dye applications.
Duty Rate — China → 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
• Obtain TSCA pre-manufacture notice if required and maintain records of intended dye production use
• Label containers with GHS pictograms and ensure stability data confirms no decomposition during transit
• Watch for reclassification if product includes added stabilizers exceeding Chapter 29 note (f) allowances