Triols and tetrols
Acyclic alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives: > Other polyhydric alcohols: > Other: > Triols and tetrols
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 2905.49.10.00
1,2,6-Hexanetriol
1,2,6-Hexanetriol is an acyclic triol used as a moisturizer in cosmetics and intermediate in polymer synthesis. Classified under HTS 2905.49.10.00 as a polyhydric alcohol with three hydroxyl groups on an acyclic chain.
Trimethylolethane (TME)
Trimethylolethane (2-ethyl-2-(hydroxymethyl)-1,3-propanediol) is a triol for alkyd resins and varnishes. Classified as acyclic triol under HTS 2905.49.10.00 per its chemical structure with three OH groups.
2-Ethyl-2-(hydroxymethyl)-1,3-propanediol (TME variant)
Industrial triol intermediate for resins. Acyclic polyhydric alcohol per HTS 2905.49.10.00.
Glycerol Formal (Triol Acetal)
1,3-Dioxolane-4-methanol derivative but for true: Industrial pentaerythritol.
1,2,4-Butanetriol
Acyclic triol used in propellant formulations and cosmetics. HTS 2905.49.10.00 as chemically defined triol.
Monopentaerythritol
Purified single tetrol molecule for high-performance coatings. Chemically defined tetrol.
Technical Glycerin 99.5%
High-purity glycerin for industrial uses like antifreeze. Qualifies as triol if >99% pure.
Hyperbranched Triol Alcohols
Synthetic dendritic triols for advanced materials. Acyclic per structure.
Glycerol 99.7% Kosher Grade
Food-grade triol meeting kosher standards for bakery/emulsions.
TMP Technical 97%
Slightly impure TMP for cost-sensitive applications.
Dipentaerythritol (Tetrol derivative)
Oligomer tetrol from pentaerythritol for heat-resistant paints.
Glycerol (Glycerin USP Grade)
Glycerol, also known as glycerin, is a triol (1,2,3-propanetriol) used in pharmaceuticals, cosmetics, and food as a humectant and sweetener. It falls under HTS 2905.49.10.00 as a separate chemically defined acyclic triol, distinct from crude glycerol excluded by chapter notes.
Pentaerythritol (PE) Technical Grade
Pentaerythritol is a tetrol (2,2-bis(hydroxymethyl)-1,3-propanediol) used in alkyd resins, paints, and explosives. It qualifies under HTS 2905.49.10.00 as an acyclic alcohol with four hydroxyl groups, meeting Chapter 29's chemically defined compound criteria.
Trimethylolpropane (TMP)
Trimethylolpropane is a triol used in polyurethane production, lubricants, and radiation-curing resins. HTS 2905.49.10.00 covers this acyclic polyhydric alcohol as it contains three primary hydroxyl groups and qualifies as chemically defined.