Industrial Grade Methyl Ethyl Ketoxime 99.5%
High-purity industrial methyl ethyl ketoxime (99.5%) used in 2K polyurethane coatings and silicone sealants as a catalyst blocker and anti-skinning agent. Its hydroxylamine derivative structure provides temporary inhibition of isocyanate reactions. Classified under HTS 2928.00.10.00 as a separate chemically defined organic compound per chapter notes.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 3.7% | +10.0% | 13.7% |
| 🇲🇽Mexico | 3.7% | +10.0% | 13.7% |
| 🇨🇦Canada | 3.7% | +10.0% | 13.7% |
| 🇩🇪Germany | 3.7% | +10.0% | 13.7% |
| 🇯🇵Japan | 3.7% | +10.0% | 13.7% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing nucleic function impurities
Presence of nitrogen heterocyclic impurities could shift classification to other heterocyclic compounds.
If for acyclic alcohol impurities exceeding 1%
Significant alcohol content might trigger classification with principal alcohol function per chapter notes.
If pre-diluted for paint manufacturing
Solutions prepared specifically for paint production may fall under synthetic organic coloring matter or paint preparations.
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Import Tips & Compliance
• Provide GC-MS analysis confirming MEKO as principal component (>98%) to meet chapter 29 purity requirements
• Label containers with UN 1993, PG III and GHS pictograms for hazardous material compliance
• Avoid bulk shipments >5,000L without intermediate bulk container (IBC) certification
Related Products under HTS 2928.00.10.00
Methyl Ethyl Ketoxime (MEKO)
Methyl ethyl ketoxime, a derivative of hydroxylamine, is a clear, low-viscosity liquid used primarily as an anti-skinning agent in alkyd resin paints and coatings to prevent surface film formation during drying. It functions by complexing with metal driers, delaying oxidative drying. This chemically defined organic compound falls under HTS 2928.00.10.00 as a specific hydroxylamine derivative.
MEKO Anti-Skinning Agent for Alkyd Paints
Specialty methyl ethyl ketoxime formulated for alkyd paint manufacturing, preventing skin formation by complexing cobalt/manganese driers. Used at 0.1-0.5% levels in air-drying coatings. Meets HTS 2928.00.10.00 as a pure hydroxylamine derivative essential for paint industry per chapter 29 scope.
Pharmaceutical Grade Methyl Ethyl Ketoxime
Ultra-high purity (99.9%) methyl ethyl ketoxime meeting USP/EP standards for use as intermediate in pharmaceutical synthesis of oxime-based drugs. Its hydroxylamine structure provides key reactivity for medicinal chemistry applications. HTS 2928.00.10.00 classification as chemically defined organic compound.
MEKO Silicone Cure Inhibitor
Methyl ethyl ketoxime specifically stabilized for use as cure inhibitor in room-temperature vulcanizing (RTV) silicone sealants. Selectively inhibits surface curing while allowing internal cure progression. Pure hydroxylamine derivative classifiable under HTS 2928.00.10.00 per chapter definitions.
MEKO Paint Drier Blocker
Low-odor methyl ethyl ketoxime developed as paint drier blocker for high-solids alkyd coatings. Provides controlled release of metal catalysts for optimal drying profile. Meets strict chapter 29 criteria as separate chemically defined hydroxylamine derivative under HTS 2928.00.10.00.