Lactide (L,L-Dilactide)

L,L-Dilactide, the cyclic dimer ester of lactic acid, falls under HTS 2918.11.51.00 as 'other' lactic acid esters. Monomer precursor for polylactic acid (PLA) bioplastic production via ring-opening polymerization.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.4%+25.0%28.4%
🇲🇽Mexico3.4%3.4%
🇨🇦Canada3.4%3.4%
🇩🇪Germany3.4%3.4%
🇯🇵Japan3.4%3.4%

Alternative Classifications

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

2934.99Lower: 16.5% vs 28.4%

If containing additional heterocyclic ring structure

Simple cyclic esters of hydroxy acids remain classified as esters of parent acids.

3907.61.00Higher: 41.5% vs 28.4%

If polymerized > molecular weight 10,000

Polymerization threshold determines plastic vs monomer classification.

3824.99Lower: 15% vs 28.4%

If technical grade with polymerization initiators

Mixtures containing catalyst systems classified as chemical preparations.

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Import Tips & Compliance

Purity >99% required with melting point specification (95-100°C) for polymer grade

Declare optical purity (L-form >98%) to prevent polymer quality classification issues

Related Products under HTS 2918.11.51.00

Magnesium Lactate

Magnesium lactate, the magnesium salt of lactic acid, classified under HTS 2918.11.51.00 as 'other' lactate salts. Used in dietary supplements, antacids, and as a stabilizer in food processing.

Potassium Lactate

Potassium lactate, the potassium salt of lactic acid, is classified under HTS 2918.11.51.00 as 'other' lactic acid salts. Food preservative (E326), flavor enhancer, and humectant in meat products and baked goods.

Sodium Lactate

Sodium lactate is the sodium salt of lactic acid, a carboxylic acid with alcohol function, classified under HTS 2918.11.51.00 as 'other' lactic acid salts and esters. It is commonly used as a preservative, moisturizer in cosmetics, and buffering agent in food products.

Calcium Lactate

Calcium lactate, the calcium salt of lactic acid, falls under HTS 2918.11.51.00 as an 'other' lactate salt with carboxylic acid and alcohol functions. Widely used as a calcium supplement in food fortification and as a firming agent in canned vegetables.

Methyl Lactate

Methyl lactate is the methyl ester of lactic acid, classified under HTS 2918.11.51.00 as an 'other' lactic acid ester with the characteristic carboxylic acid alcohol function. Used as a green solvent in paints, coatings, and as an intermediate in chemical synthesis.

Ethyl Lactate

Ethyl lactate, the ethyl ester of lactic acid, is classified under HTS 2918.11.51.00 as 'other' lactic acid esters per Chapter 29 note on ethyl esters. Biodegradable solvent used in electronics cleaning, pharmaceuticals, and food flavoring.