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ChlorMequat Chloride Precursor Acid

While primarily known as mecoprop, this 2-Methyl-4-chlorophenoxyacetic acid also serves as a precursor in synthesizing plant growth regulators, classified under HTS 2918.99.2015 for its pesticide-related aromatic carboxylic acid structure. It exhibits auxin-like activity inhibiting grass growth.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+20.0%26.5%
🇲🇽Mexico6.5%+10.0%16.5%
🇨🇦Canada6.5%+10.0%16.5%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

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

2933.99.97.01Higher: 112.5% vs 26.5%

If heterocyclic growth regulator derivatives

Structurally modified versions with added heterocyclic rings fall under Chapter 29 heterocyclics.

3808.91Lower: 17.5% vs 26.5%

If insecticide mixtures containing this compound

When combined with insecticides, classification follows the mixture's principal function.

2915.90Lower: 16.3% vs 26.5%

If considered a saturated acyclic carboxylic acid

Misclassification ignoring aromatic substitution moves it to earlier oxygen-function headings.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Declare intended end-use as pesticide active or intermediate; provide synthesis pathway documentation; ensure pH stability testing for acid form during ocean transport