3,3'-Di(2,4,6-trichlorophenyl)-4,4'-diaminodiphenylmethane
Polychlorinated diarylmethane used in stabilizer-coupler systems for color films. Provides both color development and image permanence functions. Heavily substituted aromatic structure qualifies for duty-free photographic import.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If general aromatic amine applications
Photographic-specific use determines special tariff treatment eligibility
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Import Tips & Compliance
• Chlorine content analysis confirms substitution pattern for tariff verification,Dark storage requirements prevent photodegradation during customs hold,Specific to silver halide color materials manufacturing processes
Related Products under HTS 9817.29.01
4-Amino-N-ethyl-N-(2-methoxyethyl)-2-methylbenzene sulfonamide
This aromatic amine compound serves as a key intermediate in the synthesis of photographic color couplers used in color film development. Its cyclic aromatic structure with sulfonamide functionality makes it essential for creating magenta coupler precursors. Classified under chapter 29 as a substituted benzene derivative specifically for photographic chemical manufacturing.
2-Chloro-5-nitroaniline
A nitro-substituted chloroaniline used as an intermediate in manufacturing yellow photographic color couplers. The aromatic ring structure provides the foundation for chromophore development in color film emulsions. Duty-free when proven for exclusive use in photographic coupler production.
N-(2-Cyanoethyl)-4-methoxy-2-nitroaniline
Cyanoethylated nitroaniline derivative serving as a precursor for cyan dye-forming couplers in color negative films. Its modified aromatic structure enables specific color coupling reactions during photographic processing. Qualifies for duty-free import when designated for photographic chemical manufacture.
1-Hydroxy-N-(2-methylphenyl)-2-naphthamide
Naphthol-based amide coupler intermediate for magenta dye formation in color films. The fused aromatic ring system provides the characteristic color development properties required for photographic applications. Specifically qualifies under 9817.29.01 for duty-free entry in coupler manufacturing.
Acetoacet-2-methoxy-4-chloroanilide
Beta-ketoanilide compound used in yellow coupler synthesis for color reversal films. The activated methylene group facilitates dye coupling reactions with oxidized color developers. Aromatic structure qualifies for duty-free import under photographic chemical provisions.
2,4-Dichloro-3-methylphenol
Chlorinated phenolic intermediate for developing magenta couplers in color print films. Provides necessary electron-withdrawing groups for color stability in photographic emulsions. Duty-free when exclusively used in certified photographic chemical production.