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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If organo-metallic coordination complex formation
Coordination compounds with metal-carbon bonds classify under heading 2931 per Chapter 29 coordination compound rules.
If imported primarily as tetrafluoroborate source
Inorganic salts imported for their anion function may classify under Chapter 28.
If for aromatic ether function dominance
Chapter notes prioritize oxygen-function classification over diazo in some ether derivatives.
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Import Tips & Compliance
• Classify based on organic cation regardless of counterion per Chapter notes; include explosion risk warnings in shipping papers; obtain TSCA certification for US chemical import
Related Products under HTS 2927.00.50.00
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.
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.
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.