Fast Green Base B

Fast Green Base B is an oxygen-function amino-naphthol salt optimized for green azo dye synthesis in synthetic fiber printing. HTS 2922.29.2600 covers it as a fast color base, a salt thereof fitting the heading's scope for chemically defined compounds.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+35.0%41.5%
🇲🇽Mexico6.5%+10.0%16.5%
🇨🇦Canada6.5%+10.0%16.5%
🇩🇪Germany6.5%+10.0%16.5%
🇯🇵Japan6.5%+10.0%16.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3204.11Lower: 16.5% vs 41.5%

If acid azo color bases

Specific acid dye bases have provisions in 3204.

2922.19Lower: 16.5% vs 41.5%

If o-, m-, p-phenylenediamine derivatives

Certain amino-compounds with diamine structure classify earlier in 2922.

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Import Tips & Compliance

Provide NMR spectra if challenged on 'separate chemically defined' status

Ensure no coordination with metals, which would classify per note (C)(3)

Comply with TSCA inventory listing for new chemical import notifications

Related Products under HTS 2922.29.26.00

Fast Red Base B

Fast Red Base B is a chemically defined amino-phenol derivative used as a fast color base in the production of azo dyes, providing stable red hues resistant to light and washing. It falls under HTS 2922.29.2600 as an oxygen-function amino-compound specifically classified as a fast color base, meeting Chapter 29 requirements for separate organic compounds used in dye manufacturing.

Fast Blue Base RS

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.

Fast Yellow Base GG

Fast Yellow Base GG, an amino-phenol salt, acts as a stable base for developing yellow azo dyes with excellent fastness properties in leather and paper applications. It qualifies for HTS 2922.29.2600 as a fast color base salt of oxygen-function amino-compounds, per Chapter 29 note on salts classification.

Fast Scarlet Base R

Fast Scarlet Base R is a chemically pure amino-naphthol used in coupling reactions to produce scarlet dyes with superior wash fastness for cotton fabrics. Under HTS 2922.29.2600, it is specified as a fast color base, a separate organic compound fitting Chapter 29's scope for dye intermediates.

Fast Black Base N

Fast Black Base N, a sulfonated amino-phenol ether, functions as a diazotizable base for deep black azo dyes in wool dyeing with high light stability. It is classified in HTS 2922.29.2600 as a fast color base, including sulfonated derivatives per Chapter 29 additional notes.

Fast Violet Base 3B

Fast Violet Base 3B serves as a coupler for violet hues in rapid dyeing processes, featuring ether linkages for solubility. As a fast color base under HTS 2922.29.2600, it is an amino-phenol ether within Chapter 29's organic compound definitions.