Tetrahydrofuran Solvent for HPLC Grade Analysis
HPLC-grade THF is ultra-high purity (99.9%+) with low water and residue content for chromatography applications. It falls under HTS 2932.11.00.00 as a pure chemically defined heterocyclic compound with hydrogenated furan ring. Ideal for mobile phase in reverse-phase HPLC separations.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If diagnostic reagents containing THF as principal component
Lab reagents for analysis may shift to Chapter 38 if prepared for specific diagnostic use.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Supply chromatograms proving HPLC suitability; use glass bottles for moisture-sensitive imports
• Common issue: Contamination from plastic packaging affects purity claims
Related Products under HTS 2932.11.00.00
Tetrahydrofuran (THF) 99.9% Pure ACS Reagent Grade
Tetrahydrofuran is a colorless, volatile liquid heterocyclic compound containing a saturated five-membered furan ring with one oxygen hetero-atom. It is classified under HTS 2932.11.00.00 as a chemically defined compound with an unfused hydrogenated furan ring structure. Primarily used as a versatile aprotic solvent in chemical reactions and polymer processing.
Industrial Grade Tetrahydrofuran (THF) 99.5% Purity
Industrial-grade THF is a high-purity cyclic ether used extensively in the production of polytetramethylene ether glycol (PTMEG) for spandex fibers. It matches HTS 2932.11.00.00 due to its unfused tetrahydrofuran ring structure as a separate chemically defined organic compound. Essential in pharmaceutical extraction and PVC cement formulations.
Anhydrous Tetrahydrofuran (THF) Stabilized with BHT
Anhydrous THF with butylated hydroxytoluene (BHT) stabilizer prevents peroxide formation during storage and transport. Classified under HTS 2932.11.00.00 per Chapter note (f) allowing stabilizers necessary for preservation without changing the compound's nature. Used in Grignard reactions and organometallic synthesis.
Tetrahydrofuran Bulk Drum for PTMEG Production
Bulk THF supplied in 200L drums for polymerization to PTMEG used in elastomers like Lycra. Precisely matches HTS 2932.11.00.00 definition of tetrahydrofuran as unfused hydrogenated furan ring compound. Critical raw material in polyurethane and fiber manufacturing.
Peroxide-Free Tetrahydrofuran with Antioxidant
Specially treated THF guaranteed peroxide-free through added antioxidants, safe for long-term storage. HTS 2932.11.00.00 applies per note (f) for added stabilizers essential for preservation. Used in battery electrolyte formulations and pharmaceutical processing.
Tetrahydrofuran NMR Grade Spectroscopic Solvent
NMR-grade THF with 99.96% purity and deuterated options available for spectroscopy. Classified under HTS 2932.11.00.00 as pure tetrahydrofuran meeting Chapter 29 chemical definition. Deuterated version remains classified here as isotopically substituted compound.