Ilford Hydroquinone for Black & White Developers
Premium photographic grade hydroquinone crystals from Ilford, optimized for high-contrast black-and-white film processing. Classified in HTS 2907.22.10.00 as it meets chapter notes for separate chemically defined polyphenols used in photography. Provides super-additivity with metol in classic formulas like ID-11.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for rubber antioxidants or dyes
Same chemical but different purity/grade for industrial applications classified separately.
If esterified derivative
Hydroquinone esters (oxygen-function compounds) shift to later headings per chapter note 5(A).
If used as dye intermediate
When primarily for synthetic coloring matter production, it moves out of Chapter 29 per exclusion note.
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Import Tips & Compliance
• Include end-use statement specifying photographic application to justify tariff line; test for heavy metals (<10ppm) as per photo standards; store/import in nitrogen-flushed containers
Related Products under HTS 2907.22.10.00
Hydroquinone USP Photographic Grade
High-purity hydroquinone (1,4-dihydroxybenzene) specifically refined for photographic applications, meeting USP standards for consistency. Classified under HTS 2907.22.10.00 as photographic grade hydroquinone, a polyphenol used in developer solutions for black-and-white film processing. Its chemical structure as quinol distinguishes it from industrial grades.
Kodak Hydroquinone Photographic Crystals
Crystalline hydroquinone produced to exacting photographic standards, historically supplied by Kodak for professional film development. Falls under HTS 2907.22.10.00 due to its designation as photographic grade quinol, essential for controlling image density in silver halide emulsions. Purity exceeds 99.5% to prevent fogging.
Agfa Photographic Hydroquinone Powder
Fine powder hydroquinone of Agfa's photographic specification, used in motion picture film developers for archival quality. HTS 2907.22.10.00 applies to this polyphenol quinol meeting strict impurity limits for photo use. Develops latent images by reducing exposed silver halides.
FujiFilm Hydroquinone Super Fine Crystals
Ultra-fine crystal hydroquinone engineered by FujiFilm for rapid-dissolving photographic developers in color and B&W films. Falls precisely under HTS 2907.22.10.00 as photographic grade quinol per chapter definitions for pure organic compounds. Particle size optimized (<50 microns) for consistent emulsions.
Adox Hydroquinone for Analog Photography
Photographic grade hydroquinone supplied by Adox for artisanal film developers, supporting the analog revival. Classified HTS 2907.22.10.00 as it qualifies under chapter note (a) for chemically defined polyphenols of photographic purity. Used in formulas like Adox Adonal for fine grain.
Pure Hydroquinone Monohydrate Photographic
Hydrated form of photographic grade hydroquinone (C6H4(OH)2·H2O), stable for shipping and storage in photo labs. HTS 2907.22.10.00 covers this quinol salt equivalent under chapter notes allowing stabilizers/water dissolution for transport. Preferred for metol-hydroquinone developers.