Stabilized Diethyl Ether

Diethyl ether with added BHT stabilizer to prevent peroxide formation during storage/transport. Permitted under Chapter 29 note (f) as stabilizer necessary for preservation; remains classified as 2909.11.00.00.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
šŸ‡ØšŸ‡³China1%+35.0%36%
šŸ‡²šŸ‡½Mexico1%+10.0%11%
šŸ‡ØšŸ‡¦Canada1%+10.0%11%
šŸ‡©šŸ‡ŖGermany1%+10.0%11%
šŸ‡ÆšŸ‡µJapan1%+10.0%11%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2909.19Lower: 15.5% vs 36%

If other acyclic ether isomer (not diethyl)

Different acyclic ethers specified separately within same heading.

3302.10Lower: 10% vs 36%

If perfume-grade with odoriferous substances >1%

Chapter 29(g) exclusion; odor additions for perfumery move to Chapter 33.

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Import Tips & Compliance

• Document stabilizer type/concentration; BHT typically 0.001-0.01%, ethanol not permitted

• Peroxide test strips must accompany shipment showing <0.001% peroxides

• Avoid antioxidant levels suggesting specific industrial formulation (reclassifies to 3824)

Related Products under HTS 2909.11.00.00

Diethyl Ether (Laboratory Grade)

Pure diethyl ether, a volatile colorless liquid with a characteristic odor, used as a solvent in organic chemistry laboratories. Classified under HTS 2909.11.00.00 as it is a chemically defined acyclic ether without impurities affecting its general use. Meets chapter 29 requirements for separate organic compounds.

Anhydrous Diethyl Ether

Water-free diethyl ether used in Grignard reactions and moisture-sensitive syntheses. Falls under 2909.11.00.00 as pure acyclic ether; anhydrous state is standard purification, not rendering it specific-use per Chapter 29 note (e).

Diethyl Ether ACS Reagent Grade

American Chemical Society specification diethyl ether for analytical procedures. Chemically defined acyclic ether under 2909.11.00.00; ACS specs ensure reagent purity without specific-use additives.

Diethyl Ether Pharmaceutical Intermediate

High-purity diethyl ether used in synthesis of pharmaceutical APIs. Qualifies under 2909.11.00.00 as chemically defined acyclic ether; not excluded as finished immunological product per Chapter 29 note (e).

Technical Grade Diethyl Ether

Industrial diethyl ether (95-98% purity) for paint stripping and reaction solvent. Still classified 2909.11.00.00 as it meets 'whether or not containing impurities' per Chapter 29 note (a).

Diethyl Ether Extraction Solvent

Diethyl ether specifically for natural product extractions (essential oils, alkaloids). General solvent use keeps classification at 2909.11.00.00; not specific enough for exclusion.