Rhodamine 2C Base (CAS 477-73-6)
Laboratory-grade Rhodamine 2C base (CAS 477-73-6) specifically enumerated under HTS 2932.99.55.00 for its aromatic oxygen-heterocyclic structure. Used in synthesis of laser dyes and fluorescent probes for microscopy. Packaged in 25g-1kg quantities for R&D applications.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing radioactive isotopes for tracer studies
Radioactive chemical elements take precedence over organic classification.
If imported as certified reference material for dye analysis
Analytical standards of coloring matter classified in Chapter 32.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Include NMR/IR spectra confirming structure matches HTS description
• Declare as 'not for medicinal use' to avoid FDA scrutiny
• Small package exemption may apply for R&D quantities under $800
Related Products under HTS 2932.99.55.00
Dimethyl Benzylidene Sorbitol (DMDBS)
Dimethyl benzylidene sorbitol, chemically Bis-O-[(4-methylphenyl)methylene]-D-glucitol, is an aromatic heterocyclic compound with oxygen hetero-atoms used as a nucleating agent in polypropylene plastics. It falls under HTS 2932.99.55.00 as a specifically named aromatic heterocyclic compound with oxygen hetero-atoms only. This white crystalline powder enhances clarity and crystallization rate in thermoplastics.
Rhodamine 2C Base
Rhodamine 2C base is a fluorescent dye intermediate, specifically listed under HTS 2932.99.55.00 as an aromatic heterocyclic compound with oxygen hetero-atoms. This chemical serves as the core structure for producing rhodamine dyes used in textiles, inks, and biological staining. Its classification reflects its oxygen-containing heterocyclic ring structure.
Millad 3988 Nucleating Agent
Millad 3988 is the commercial grade of Dimethyl benzylidene sorbitol (DMDBS) used by plastics manufacturers as a clarifying nucleating agent. Classified under HTS 2932.99.55.00 due to its specific chemical identity as the named aromatic heterocyclic compound. Supplied as >99% pure white powder for injection molding applications.