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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If only two OH groups (diol error)
Diol classification stricter; triols specifically 2905.49.
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Import Tips & Compliance
• CAS 77-83-8 documentation essential; distinguish from diols in 2905.31
• Purity >99% required for Chapter 29; lower grades to 3824
Related Products 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.
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.