4-(2,4-Dimethylphenylazo)benzoic Acid

A carboxylic acid azo compound used in liquid crystal dyes and polymer additives. Falls under HTS 2927.00.50.00 with azo function taking precedence over carboxylic acid per Chapter 29 numerical order rule. Supplied as yellow crystalline powder.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+25.0%31.5%
🇲🇽Mexico6.5%6.5%
🇨🇦Canada6.5%6.5%
🇩🇪Germany6.5%6.5%
🇯🇵Japan6.5%6.5%

Alternative Classifications

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

2916.39.15.00Lower: 16.5% vs 31.5%

If classified by carboxylic acid function

If carboxylic function dominates use, classifies under earlier acid headings.

3204.19.20Higher: 41.5% vs 31.5%

If specialty azo dye application

Use-specific coloring matter preparations shift to Chapter 32.

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Import Tips & Compliance

Azo precedence confirmed by later numerical order; provide melting point (208°C) verification; acid function requires compatible packaging

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.

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.