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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sold as bulk industrial solvent without diagnostic labeling
Loses diagnostic reagent status and classified as other chemical preparations.
If packaged for retail therapeutic use rather than laboratory
Chemical kits for therapeutic/ prophylactic use fall under Chapter 30 pharmaceutical preparations.
If free of methyl chloroform and carbon tetrachloride
Diagnostic reagents without specified restricted solvents classify under the general 3822.19 subheading.
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Import Tips & Compliance
• Verify solvent composition via GC-MS analysis to confirm methyl chloroform content for proper 3822.19.0040 classification
• Include EPA TSCA certification and SDS documentation to comply with chemical import regulations
• Avoid misclassification as general solvents (3824); ensure reagent is labeled for diagnostic use
Related Products under HTS 3822.19.00.40
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.