Diazo Blue RC Stabilized Salt
Photographic diazo coupler producing blue azo dyes in multilayer color films during development. HTS 2927.00.25.00 classification reflects its exclusive use in photosensitive imaging chemistry.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If azoxy-type instead of diazo
Structural isomer azoxy compounds classify later in the diazo/azo/azoxy grouping.
If for ink or paint coloration
Non-photographic color applications fall under other synthetic organic dyes.
If as organic medicinal intermediate
Diazo derivatives with pharmaceutical pedigrees shift to Chapter 29 medicinal section.
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Import Tips & Compliance
• Document stabilizer as 'necessary for transport' per Chapter note (f) to maintain pure compound status
• Avoid retail packaging that might trigger heading 3212 retail dye classification
• Pair with coupler import records to demonstrate complete photographic system
Related Products under HTS 2927.00.25.00
4-Diazo-2,5-Dibutoxyphenyl Morpholine
This diazo compound serves as a key coupling component in color photographic film development, forming azo dyes upon reaction with couplers. It falls under HTS 2927.00.25.00 as a diazo-type photographic chemical used specifically in photosensitive materials for imaging processes.
2-Diazo-1-Naphthol-4-Sulfonic Acid
A diazo coupling agent used in diazo-type copying papers and films, reacting to produce visible azo images upon light exposure. Classified under HTS 2927.00.25.00 due to its role in light-sensitive photographic reproduction processes.
Fast Red Salt RC Diazo Compound
Commercial diazo salt formulation for high-speed photographic coupler reactions in color print materials. HTS 2927.00.25.00 applies to this photographic chemical due to its specialized use in image-forming azo dye processes.
p-Diazo-N,N-Dimethylaniline Zinc Chloride
Stabilized double salt used in instant photographic developers for rapid azo coupling in print materials. Falls under HTS 2927.00.25.00 as a photographic diazo compound per Chapter 29 coordination compound rules.
3,3'-Dimethoxybiphenyl-4,4'-Diazonium Salt
Complex diazo compound for high-resolution photographic printing plates and films. Classified in HTS 2927.00.25.00 for its function in light-activated azo imaging chemistry.
Tetrazolium Blue Chloride
Diazo-tetrazolium salt used in photographic redox imaging and viability staining for film quality control. HTS 2927.00.25.00 covers this as a photographic chemical despite dual lab uses.