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Diethyl Malonate Precursor Malonic Acid

Malonic acid specifically manufactured as precursor for diethyl malonate production in pharmaceutical intermediates. Pure compound classification under HTS 2917.19.35.00 confirmed by spectroscopic analysis showing no ester impurities.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+37.5%37.5%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

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

2917.39Lower: 19% vs 37.5%

If aromatic polycarboxylic acid form

Aromatic vs acyclic structure determines subchapter classification.

2903.69Lower: 16.2% vs 37.5%

If partially esterified

Partial esters classify as alcohols with oxygen function, not parent acids.

2922.50Lower: 19% vs 37.5%

If amino acid derivatives

Nitrogen function addition moves to Chapter 29 amino compounds heading.

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

• Provide downstream user letters confirming chemical intermediate status for potential duty relief

• Ensure batch consistency with HPLC chromatograms showing single peak at malonic acid RT

• Monitor decarboxylation risk during transport; specify temperature-controlled shipping