Isobutyric Acid

Isobutyric acid (2-methylpropanoic acid) is a saturated acyclic monocarboxylic acid used in organic synthesis, flavor production, and as an intermediate for pharmaceuticals. It falls under HTS 2915.29.50.00 as it is neither acetic acid nor its derivatives, fitting the 'other' category for saturated acyclic monocarboxylic acids.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China2.8%+35.0%37.8%
🇲🇽Mexico2.8%+10.0%12.8%
🇨🇦Canada2.8%+10.0%12.8%
🇩🇪Germany2.8%+10.0%12.8%
🇯🇵Japan2.8%+10.0%12.8%

Alternative Classifications

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

2915.90.10Lower: 30% vs 37.8%

If sold as a stabilized solution for transport

Solutions of these acids in solvents for safety/transport fall under 2915.90 per Chapter Note (e)

3824.99Lower: 15% vs 37.8%

If imported as a chemical mixture with additives exceeding Chapter 29 scope

Mixtures not qualifying as separate compounds under Chapter Note (a)-(h) classify in Chapter 38

2915.70.01Higher: 40% vs 37.8%

If the sodium salt form (sodium isobutyrate)

Salts of these acids classify with the parent acid per Chapter Note on inorganic salts of organic compounds

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Import Tips & Compliance

Provide detailed chemical purity certificates and CAS number (79-31-2) documentation to verify classification

Ensure proper hazardous material labeling (corrosive) and comply with DOT/UN shipping regulations

Avoid misclassification as acetic acid derivatives; confirm branched chain structure via SDS