Fast Yellow GC Base Diazo Compound
Fast Yellow GC Base is a diazo compound used as a dye intermediate in the production of yellow azo pigments for textiles and inks. It falls under HTS 2927.00.50.00 as a diazo-compound not specifically provided for elsewhere in heading 2927. This chemical is a separate, chemically defined organic compound containing the diazo functional group.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pre-dispersed in liquid medium for direct use as synthetic dye
When formulated as synthetic organic coloring matter in retail-ready form, it shifts from Chapter 29 chemicals to Chapter 32 dyes.
If supplied as chemical preparation with stabilizers exceeding Chapter 29 allowances
Mixtures with additives beyond simple stabilizers fall under prepared chemical mixtures in Chapter 38.
If derivative lacks true diazo functionality but retains sulfonated hydrocarbon structure
Sulfonated derivatives without nitrogen-functions classify under earlier hydrocarbon derivative headings per chapter notes.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Verify chemical purity certificates as impurities may affect classification; ensure proper Hazard Communication labeling for diazo compounds; obtain REACH compliance documentation for EU-origin materials
Related Products under HTS 2927.00.50.00
Diazo Red B Base
Diazo Red B Base is an aromatic diazonium salt used in coupling reactions to produce red azo dyes for printing inks and plastics. Classified under HTS 2927.00.50.00 as 'other' diazo-compounds, it meets Chapter 29 requirements for separate chemically defined organic compounds. The diazo group (-N2+) defines its chemical identity.
Azoxybenzene
Azoxybenzene (C6H5N(O)NC6H5) is an azoxy compound used as a reagent in organic synthesis and as an intermediate for liquid crystal materials. It qualifies for HTS 2927.00.50.00 as an azoxy-compound, being a separate chemically defined organic compound per Chapter 29 note (a). The azoxy functional group distinguishes it from other nitrogen compounds.
4-Methoxybenzenediazonium Tetrafluoroborate
This stable diazonium salt serves as a Sandmeyer reaction intermediate and photoinitiator precursor in polymer chemistry. HTS 2927.00.50.00 covers it as a diazo-compound salt, with classification following the organic diazo component per Chapter 29 note on salts. The tetrafluoroborate counterion doesn't alter the organic compound classification.
p-Nitrobenzenediazonium Fluoborate
Used in pigment manufacturing and as a reagent for azo coupling, this nitro-substituted diazonium salt falls under HTS 2927.00.50.00. The diazo function takes precedence over nitro group per Chapter 29 classification rules. It's supplied as a stable solid for industrial dye synthesis.
Benzeneazodimethylaniline (Solvent Yellow 2)
This azo compound serves as a solvent dye for petroleum products and plastics coloration. Although used as coloring matter, its import as pure chemical compound classifies under HTS 2927.00.50.00 per Chapter 29 precedence over Chapter 32. The azo (-N=N-) linkage defines its chemical heading.
4-(Phenylazo)aniline
An aminoazobenzene derivative used as a dye intermediate and coupling component in azo pigment synthesis. HTS 2927.00.50.00 applies as an azo-compound with the characteristic -N=N- linkage between aromatic rings. Meets Chapter 29 requirements for chemically defined organic compounds.