DDT (Dichlorodiphenyltrichloroethane) USP Reference Standard from Mexico
DDT (clofenotane, INN) is the specific organochlorine compound (1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane) used as analytical reference standard for residue testing. Classified under HTS 2903.92.00.00 as the explicitly named halogenated aromatic hydrocarbon derivative. Meets Chapter 29 criteria for separate chemically defined organic compounds.
Duty Rate — Mexico → United States
5.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Require DEA Schedule IV exemption letter and EPA analytical use declaration; stock convention restrictions apply
• Ship in child-resistant laboratory packaging with tamper-evident seals per DOT hazardous materials regulations
• Avoid agricultural end-use declarations; specify 'analytical reference standard only' to prevent customs holds