Butynediol Butyl Ether
2-Butynediol monobutyl ether retains one free OH and one butyl ether on dihydric butynediol. Acyclic ether-alcohol of polyhydric alcohol for HTS 2909.19.60.00. Specialty intermediate with acetylenic functionality.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| šØš³China | 5.5% | +35.0% | 40.5% |
| š²š½Mexico | 5.5% | +10.0% | 15.5% |
| šØš¦Canada | 5.5% | +10.0% | 15.5% |
| š©šŖGermany | 5.5% | +10.0% | 15.5% |
| šÆšµJapan | 5.5% | +10.0% | 15.5% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If unsaturated diol without ether
Acetylenic diols separately provided for.
If metal derivative formed
Organo-metallic derivatives shift to heading 2931.
If saturated analog
Absence of unsaturation doesn't change polyhydric ether nature.
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Import Tips & Compliance
ā¢ Triple bond hydrogenation stability testing required
ā¢ Reactive intermediate; inhibitor specification needed
ā¢ Copper stabilization for acetylenic alcohols
Related Products under HTS 2909.19.60.00
Diethylene Glycol Diethyl Ether
Diethylene glycol diethyl ether is an acyclic ether derived from the polyhydric alcohol diethylene glycol, where both hydroxyl groups are etherified with ethyl groups. It falls under HTS 2909.19.60.00 as an 'other' ether of a polyhydric alcohol, chemically defined and not specifically excluded by chapter notes. Commonly used as a solvent in industrial applications.
Triethylene Glycol Dimethyl Ether
Triethylene glycol dimethyl ether (triglyme) is an acyclic diether from the polyhydric alcohol triethylene glycol etherified with methyl groups. Classified in HTS 2909.19.60.00 as an 'other' ether of polyhydric alcohol per Chapter 29 notes on chemically defined organic compounds. Used in organic synthesis and as a coordinating solvent.
Pentaerythritol Tetraethyl Ether
Pentaerythritol tetraethyl ether is a tetrafunctional acyclic ether derived from the tetrahydric alcohol pentaerythritol fully etherified with ethyl groups. It qualifies under HTS 2909.19.60.00 as an ether of polyhydric alcohol, meeting Chapter 29 requirements for separate chemically defined compounds. Used in specialty resins and coatings.
Dipropylene Glycol Methyl Ether
Dipropylene glycol methyl ether (DPGME) is an acyclic monoether from the polyhydric alcohol dipropylene glycol. Classified in HTS 2909.19.60.00 as other ether of polyhydric alcohol, not the ethylene glycol-specific subheading. Widely used as coalescing aid in waterborne coatings.
Sorbitol Hexaethyl Ether
Sorbitol hexaethyl ether is the fully perethylated derivative of hexahydric sorbitol, creating six ethyl ether linkages. Meets HTS 2909.19.60.00 criteria as chemically defined acyclic ether of polyhydric alcohol per Chapter 29 notes. Used in carbohydrate chemistry research.
1,3-Propanediol Di-n-butyl Ether
1,3-Propanediol di-n-butyl ether features two butyl ether groups on the dihydric 1,3-propanediol backbone. Classified under HTS 2909.19.60.00 as acyclic ether of polyhydric alcohol, chemically defined organic compound. Functions as green solvent alternative.