Containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachloride
Diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether or not on a backing, whether or not put up in the form of kits, other than those of heading 3006; certified reference materials: > Diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether or not on a backing, whether or not put up in the form of kits: > Other > Other: > Containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachloride
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Products classified under HTS 3822.19.00.40
Solvent-Based Histology Tissue Clearing Reagent
A prepared laboratory reagent used in histology labs to clear tissue samples for microscopic examination, containing methyl chloroform as the primary solvent for dissolving lipids. It falls under HTS 3822.19.0040 due to its diagnostic purpose and specific solvent content. Supplied in kit form with staining controls.
Methyl Chloroform Calibration Standard for GC-MS
Certified reference material containing known methyl chloroform concentration for calibrating gas chromatography-mass spectrometry instruments in environmental labs. Used for VOC analysis compliance testing. Falls under 3822.19.0040 as certified reference material with specified solvent.
Solvent Reagent Strip for Microarray Cleaning
Diagnostic reagent on backing (test strip) impregnated with methyl chloroform solution for cleaning DNA microarray slides between hybridizations. Essential for high-throughput genomics research. Classified under 3822.19.0040 due to backing and specific solvent content.
Carbon Tetrachloride Fat Extraction Reagent for Dairy Analysis
Soxhlet extraction reagent containing carbon tetrachloride for determining fat content in milk and dairy products per AOAC official methods. Prepared laboratory reagent for food safety diagnostics. HTS 3822.19.0040 due to specified solvent in diagnostic reagent.
Methyl Chloroform Protein Precipitation Kit
Laboratory reagent kit using methyl chloroform to precipitate proteins from biological samples prior to LC-MS analysis in proteomics research. Includes precipitation tubes and standards. Classified 3822.19.0040 for diagnostic kit with specified solvent.
Carbon Tetrachloride Extraction Solvent Kit for Pesticide Residue Analysis
Diagnostic reagent kit containing carbon tetrachloride for extracting pesticides from food samples in environmental testing labs. Used in EPA-approved multi-residue analysis methods. Classified under 3822.19.0040 due to specific solvent and laboratory reagent function.