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3,3'-Dimethoxybiphenyl-4,4'-Diazonium Salt from Canada

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.

Duty Rate — Canada → United States

16.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Provide spectral analysis confirming diazo structure per Chapter 29 isomer rules

Declare light-sensitive precautions in shipping manifests to prevent decomposition claims

Distinguish from polymer additives that would classify under Chapter 39