p-Aminophenol Hydrochloride
p-Aminophenol hydrochloride is the salt form of an amino-phenol used in photographic sensitizing dyes and developers. It qualifies under HTS 2922.29.2900 as a photographic chemical, being a chemically defined salt of oxygen-function amino-compound per chapter notes. Primarily employed in analog photo processing.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing more than one kind of oxygen function
Subheading 2922.29.10 covers multi-oxygen function amino-naphthols/phenols.
If derivative includes heterocyclic ring structure
Heterocyclic compounds with nitrogen are classified in heading 2933.
If base phenol without amino substitution, for non-photo use
Unsubstituted phenols fall under earlier heading 2907.
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Import Tips & Compliance
• Provide chemical analysis confirming single oxygen function to match subheading criteria
• Declare as 'salt thereof' explicitly; inorganic salts follow organic compound heading per note
Related Products under HTS 2922.29.29.00
Metol (p-Methylaminophenol Sulfate)
Metol is a developing agent used in black and white photographic film and paper developers. As an amino-phenol derivative with a single oxygen function (phenol), its sulfate salt falls under HTS 2922.29.2900 for photographic chemicals. It is chemically defined and primarily used in photographic processing.
Sodium p-Aminophenol
Sodium p-aminophenol is an alkali salt used in photographic color development processes. Falls under HTS 2922.29.2900 as a photographic chemical salt of amino-phenol with single oxygen function. Chemically defined per chapter 29 scope for import.
4-Aminoresorcinol
4-Aminoresorcinol acts as a coupler in color photographic processing. As an amino-phenol (resorcinol derivative) for photos, it fits HTS 2922.29.2900 perfectly under photographic chemicals provision. Single oxygen function phenol structure.
N-Methyl-p-aminophenol Hemisulfate
N-Methyl-p-aminophenol hemisulfate (Metol variant) is a standard photo developer salt. Classified in HTS 2922.29.2900 as photographic chemical, oxygen-function amino-compound salt. Widely used in film developers like Kodak D-76.
2,4-Diaminophenol Dihydrochloride
2,4-Diaminophenol dihydrochloride used in photographic sensitizers and dyes. HTS 2922.29.2900 for this amino-phenol salt as photographic chemical. Chemically defined with phenol oxygen function.
p-Phenylenediamine Dihydrochloride (Photo Grade)
Photo-grade p-phenylenediamine dihydrochloride for color developer in films like C-41 process. Though di-amine, classified by phenolic structure in photographic use under HTS 2922.29.2900. Meets salts classification note.