2,3-Butylene Glycol
2,3-Butylene glycol, a less common diol isomer used in fermentation products and chiral synthesis. Classified under HTS 2905.39.10.00 as a chemically defined butylene glycol.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If crude fermentation broth concentrates
Impure biological extracts classified as mixtures.
If outside strict butylene glycol definition
Other diols follow numerical order classification rule.
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
• Specify enantiomeric purity in documentation; refrigerate during transit; provide production method (fermentation vs synthetic)
Related Products under HTS 2905.39.10.00
1,3-Butylene Glycol
1,3-Butylene glycol (1,3-butanediol) is a chemically defined acyclic diol with two hydroxyl groups on a four-carbon chain. It falls under HTS 2905.39.10.00 as a specific butylene glycol isomer used in cosmetics and pharmaceuticals. This classification applies to pure forms without impurities altering its chemical definition.
1,4-Butylene Glycol
1,4-Butylene glycol (1,4-butanediol) is an acyclic diol serving as a solvent and chemical intermediate. Classified under HTS 2905.39.10.00 for its specific chemical structure as butylene glycol. Used in polyurethane production and humectants.
Cosmetic-Grade Butylene Glycol
Pharmaceutical/cosmetic-grade 1,3-butylene glycol with >99.5% purity for skincare formulations. Meets HTS 2905.39.10.00 as a separate chemically defined diol per Chapter 29 note (a). Stabilized only for transport safety.
Industrial 1,4-Butanediol
Technical-grade 1,4-butanediol for plasticizer and polymer synthesis, classified as butylene glycol under HTS 2905.39.10.00. Chemically defined acyclic diol meeting Chapter 29 purity standards.
Humectant Butylene Glycol USP
USP-grade butylene glycol used as humectant in pharmaceuticals and cosmetics. Falls under HTS 2905.39.10.00 as a pure acyclic diol without excluded additives.