Neopentyl Glycol
Neopentyl glycol (2,2-dimethyl-1,3-propanediol) is a sterically hindered acyclic diol used in alkyd resins and plasticizers, falling under HTS 2905.39.90.00. Its gem-dimethyl structure provides hydrolysis resistance in coatings.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sold as saturated acyclic polyol mixture
Commercial mixtures may trigger different oxygen-function headings.
If premixed with dibasic acids for resins
Resin precursor mixtures classify as Chapter 38 preparations.
If industrial alcohol derivative form
Different industrial presentations may use monohydric alcohol headings.
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Import Tips & Compliance
• Include melting point (125°C) and assay certificate confirming diol identity
• Separate from polyester prepolymers to avoid Chapter 39 plastic classification
• Verify no sulfonation that would shift to specific derivative subheadings
Related Products under HTS 2905.39.90.00
1,3-Propanediol
1,3-Propanediol is a colorless, viscous liquid diol with two hydroxyl groups on a three-carbon chain, classified under HTS 2905.39.90.00 as an acyclic diol other than ethylene glycol or glycerol. It is widely used as a monomer in polyester fiber production and as a solvent.
1,4-Butanediol
1,4-Butanediol (BDO) is an acyclic diol used primarily in polyurethane and spandex production, falling under HTS 2905.39.90.00 as a straight-chain diol other than the principal named diols. Its two terminal hydroxyl groups define its acyclic alcohol classification.
1,5-Pentanediol
1,5-Pentanediol is a linear five-carbon acyclic diol used in cosmetics, inks, and polymer synthesis, classified under HTS 2905.39.90.00. Its structure fits perfectly within the 'other acyclic diols' category excluding ethylene glycol and glycerol.
2-Methyl-1,3-Propanediol
2-Methyl-1,3-propanediol (MPDiol) is a branched acyclic diol used in polyester resins and coatings, classified under HTS 2905.39.90.00 as an 'other' diol. The methyl substitution maintains its acyclic alcohol character.
1,6-Hexanediol
1,6-Hexanediol is a long-chain acyclic diol used in polyurethane elastomers and acrylates, classified under HTS 2905.39.90.00. Its six-carbon chain provides flexibility in polymer applications.
Propylene Glycol Methyl Ether Diol
This ether-diol combines propylene glycol structure with methyl ether functionality, used as a coalescing aid in paints, under HTS 2905.39.90.00 as an acyclic diol derivative. The dual hydroxyl/ether nature fits the 'other' category.