Fast Orange Base 2G
Fast Orange Base 2G, a diazotizable aromatic amine, produces brilliant orange shades with exceptional fastness in direct and reactive dyeing systems. Falls under HTS 2921.49.32.00 per Chapter 29 as a chemically defined fast color base for azo dye synthesis. Critical intermediate for apparel and home textile coloration.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If reactive dye formulations containing this base
Reactive dyes with fiber-reactive groups classify under specific Chapter 32 reactive dye headings.
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Import Tips & Compliance
• Provide diazo coupling test results to substantiate fast color base classification to CBP
• Use nitrogen-blanketed packaging to prevent oxidation during ocean transit
• Monitor for REACH authorization requirements if manufactured in EU before US export
Related Products under HTS 2921.49.32.00
Fast Red Base B
Fast Red Base B is an aromatic monoamine derivative used as a diazo component in the production of azo dyes with excellent color fastness. It falls under HTS 2921.49.32.00 as a fast color base, being a chemically defined amine-function compound specifically designed for dye coupling processes. This product enables vibrant, stable red shades in textile and leather dyeing applications.
Fast Blue Base BB
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.
Fast Scarlet Base R
Fast Scarlet Base R, an aromatic amine derivative, functions as a diazo component for scarlet azo dyes exhibiting excellent fastness to light and chlorine. HTS 2921.49.32.00 classification applies as it is a separate chemically defined amine-function compound per Chapter 29 note (a). Essential for high-performance textile coloration.
Fast Black Base N
Fast Black Base N is a specialized aromatic monoamine serving as the diazo component for deep black azo dyes with superior wash fastness. It is classified under HTS 2921.49.32.00 as a fast color base, being a pure amine-function compound excluded from Chapter 32 dye headings. Used extensively in denim and leather dyeing.
Fast Green Base BN
Fast Green Base BN is an aromatic monoamine derivative used to manufacture green azo dyes with high fastness to perspiration and light. Classified as HTS 2921.49.32.00 fast color base as it constitutes a separate chemically defined compound per Chapter notes. Applied in printing pastes for synthetic fibers.
Fast Violet Base 5B
Fast Violet Base 5B serves as diazo component for violet azo dyes demonstrating excellent ozone and crock fastness ratings. HTS 2921.49.32.00 applies as aromatic amine fast color base excluded from Chapter 32 coloring matter. Used in high-end fashion fabric dyeing.