Musk Ketone (4-tert-Butyl-2,6-dinitro-3,5-dimethylanisole)
Musk ketone is a nitro musk artificial fixative widely used in fine fragrances for its stable, powdery musk scent with woody undertones. Classified under HTS 2904.20.30.00 as a nitrated hydrocarbon derivative containing only nitro groups, meeting Chapter 29 definitions for artificial musks.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified primarily by ketone function over nitro groups
Oxygen-function compounds take precedence if ketone group dominates per Chapter 29 note 4.
If formulated into final fragrance oil for retail
Finished odoriferous mixtures for retail sale move to Chapter 33 headings.
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Import Tips & Compliance
• Include CAS 81-14-1 documentation and purity analysis; IFRA QRA required due to skin sensitization potential
• Declare exact nitro content; common pitfall is shipping in perfume alcohol (2209 territory)
• TSCA pre-manufacture notice may apply for first-time importers; check EPA inventory status
Related Products under HTS 2904.20.30.00
Musk Xylol (5-tert-Butyl-2,4,6-trinitro-m-xylene)
Musk xylol is a synthetic nitro musk compound used primarily as a fixative in perfume formulations to provide long-lasting scent. This trinitro derivative of m-xylene falls under HTS 2904.20.30.00 as it contains only nitro groups and qualifies as an artificial musk per chapter 29 notes.
Polynitro Musk Mix (Synthetic)
Technical grade mixture of polynitro musks (xylol, ketone, ambrette) used as cost-effective fixative base in industrial perfumery. Falls under HTS 2904.20.30.00 as it consists primarily of artificial musks with only nitro functional groups per Chapter 29 isomer mixture provisions.
Tonalid (7-Acetyl-1,2,3,4,5,6,7,8-octahydro-1,1,6,7-tetramethylnaphthalene)
Tonalid is a polycyclic musk providing clean, powdery scent used in laundry detergents and personal care. While technically a ketone, often commercially grouped with nitro musks under HTS 2904.20.30.00 for artificial musk trade.
Nitro Musk Powder (Musk Tibetone)
Musk tibetone is a crystalline nitro musk used in oriental fragrance compositions for animalic notes. Pure chemical form with added anticaking agent for handling classifies under HTS 2904.20.30.00 per Chapter 29 note (f) stabilizer provision.
Musk Ambrette (2,6-Dinitro-3-methoxy-4-tert-butyltoluene)
Musk ambrette provides a sweet-fruity musk note historically used in fragrances, though now restricted due to phototoxicity concerns. This dinitro derivative qualifies under HTS 2904.20.30.00 as an artificial musk with only nitro groups attached to the hydrocarbon structure.
Galaxolide 50% IPM Solution (Polycyclic Musk)
Galaxolide diluted to 50% in isopropyl myristate for safe perfume compounding transport. Qualifies under HTS 2904.20.30.00 per Chapter 29 note (e) as solvent solution necessary for safety/transport without specific use adaptation.