Glyoxal Diazo Dye Intermediate
Glyoxal serving as intermediate for azo dye coupler synthesis per Chapter 29 note (h). Pure acyclic dialdehyde qualifies for HTS 2912.19.30.00 classification. High purity essential for colorfast dye production.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 3.7% | +35.0% | 38.7% |
| 🇲🇽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 finished synthetic dye product
Completed synthetic coloring matter excluded from Chapter 29 entirely.
If diazotized amine derivative
Diazotizable amines specifically provided for in note (h) separate classification.
If nucleic acid dye intermediate
Specialized dye intermediates for pharmaceuticals classify under heterocyclics.
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Import Tips & Compliance
• Dye synthesis pathway documentation confirms note (h) diazo intermediate status
• Color development test results verify dye intermediate purity
• Avoid finished dye classification by declaring intermediate status
Related Products under HTS 2912.19.30.00
Glyoxal 40% Aqueous Solution
Glyoxal (CHOCHO) in 40% aqueous solution is a dialdehyde used primarily as a cross-linking agent in textile finishing and paper production. This acyclic aldehyde without other oxygen functions falls under HTS 2912.19.30.00 as it matches the specific subheading for glyoxal. It is supplied in this diluted form for safety during transport and handling.
Technical Grade Glyoxal 40% for Textile Crosslinking
Technical grade 40% glyoxal solution designed for crosslinking cellulose in textile wrinkle-resistant finishes. Classified under HTS 2912.19.30.00 as pure glyoxal meeting Chapter 29 criteria for acyclic aldehydes without other oxygen functions. Stabilizers present are solely for transport per chapter notes.
Pharmaceutical Grade Glyoxal USP/NF
Ultra-pure glyoxal meeting USP/NF standards for pharmaceutical intermediate synthesis and biocide formulations. Falls under HTS 2912.19.30.00 as chemically defined acyclic dialdehyde per Chapter 29 scope. Supplied at 40% concentration in water for safe handling.
Glyoxal Anhydrous Crystals
Anhydrous glyoxal in crystalline form (hydrate-free) for specialty polymer synthesis. Pure CHOCHO classified specifically under HTS 2912.19.30.00 as acyclic aldehyde without other oxygen function. Rare form due to polymerization tendency during storage.
Stabilized Glyoxal 40% with Anticaking Agent
Glyoxal 40% solution with approved anticaking agent for bulk paper mill storage. Additive complies with Chapter 29 note (f) as necessary for preservation/transport only. Specific HTS 2912.19.30.00 classification for chemically defined glyoxal.
Glyoxal for Leather Tanning Intermediate
High-purity glyoxal used as crosslinking agent in synthetic leather tanning formulations. Chemically defined acyclic dialdehyde qualifies for HTS 2912.19.30.00 per Chapter 29 scope. Supplied as 40% solution to prevent polymerization.