4-(2-Hydroethoxy)-1,3-Phenylene Diamine Dihydrochloride from Canada
Dihydrochloride salt of a diaminobenzene derivative with hydroxyethoxy function, explicitly covered by HTS 2922.50.0700 as aromatic oxygen-function amino-compound. Key developer in low-ammonia permanent hair dyes.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Salt form classifies with parent base per Ch. 29 note 3(C)(1); provide ionization proof in lab analysis
• TSCA pre-registration required for US manufacture; include intended cosmetic intermediate declaration
• Monitor for color change indicating degradation; import temperature <25°C recommended