3,5,6-Trichlorosalicylic acid
A halogenated derivative of salicylic acid, specifically listed under HTS 2918.29.3900 as a carboxylic acid with phenol function. The trichloro substitution on the aromatic ring qualifies it under halogenated phenolic carboxylic acids without other oxygen functions. Commonly used in dye synthesis and pharmaceutical intermediates.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If o-hydroxybenzoic acid without halogenation
Unsubstitued salicylic acid falls under specific subheading 2918.22; halogenation keeps it in 'other' per notes.
If classified primarily by phenolic hydroxyl rather than carboxylic function
Chapter notes prioritize carboxylic acid headings over simple phenols for compounds with both functions.
If imported as part of heterocyclic intermediate mixture
If chemically modified into heterocycles during production, later chapter headings take precedence.
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Import Tips & Compliance
• Include detailed spectral analysis (NMR/IR) in documentation to confirm structure and avoid reclassification
• Comply with TSCA pre-manufacture notice if first import into US; pitfall is ignoring EPA inventory status
• Use UN-approved packaging for corrosive solids; declare as UN 3261 to prevent delays
Related Products under HTS 2918.29.39.00
4,4-Bis(4-hydroxyphenyl) pentanoic acid
This is a specific carboxylic acid with phenol function, explicitly named in HTS 2918.29.3900. It features two 4-hydroxyphenyl groups attached to the 4-position of pentanoic acid, classifying it under carboxylic acids with phenol function but without other oxygen functions. Used primarily as a pharmaceutical intermediate.
Bisphenol A bis(4-hydroxyphenyl)propane derivative acid
A structural analog of 4,4-bis(4-hydroxyphenyl)pentanoic acid used in polymer synthesis, classified under the specific naming in HTS 2918.29.3900. It maintains the phenolic carboxylic acid structure without additional oxygen functions. Applied in specialty resin production.
Technical grade 3,5,6-Trichlorosalicylic acid 98%
Industrial-grade 3,5,6-trichlorosalicylic acid with 98% purity and minor impurities, still classified under HTS 2918.29.3900 per chapter note (a) allowing impurities. Used in azo dye coupler production and herbicide intermediates.
4,4-Bis(4-hydroxyphenyl)pentanoic acid stabilized crystals
Crystalline form of 4,4-bis(4-hydroxyphenyl)pentanoic acid with added stabilizer for transport, classified under HTS 2918.29.3900 per chapter note (f). The stabilizer prevents degradation without altering use suitability.