Reagent Grade Chlorosulfuric Acid
High-purity chlorosulfuric acid (>99%) suitable for laboratory use in analytical chemistry and as a catalyst in esterification reactions. Classified under HTS 2806.20.00.00 as a pure, chemically defined inorganic acid per Chapter 28 notes. Typically packaged in small glass ampoules or bottles for research applications.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| šØš³China | 4.2% | +35.0% | 39.2% |
| š²š½Mexico | 4.2% | +10.0% | 14.2% |
| šØš¦Canada | 4.2% | +10.0% | 14.2% |
| š©šŖGermany | 4.2% | +10.0% | 14.2% |
| šÆšµJapan | 4.2% | +10.0% | 14.2% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If supplied as a metal salt derivative
Chapter 28 note specifies salts of nonmetal acids with metals classify under 2842 as complex salts.
If for laboratory reagents in diagnostic kits
Lab reagents prepared for specific analysis may fall under diagnostic reagents in 3822.
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Import Tips & Compliance
ā¢ Include analytical certificates confirming >99% purity to prevent classification as impure acid; comply with IATA dangerous goods regulations for air import; check REACH/CLP labeling for EU-origin goods
Related Products under HTS 2806.20.00.00
Chlorosulfuric Acid 98% Technical Grade
Chlorosulfuric acid (HSO3Cl) at 98% purity, a fuming, colorless to yellowish liquid used primarily as a sulfonating agent in organic synthesis for producing detergents and pharmaceuticals. It falls under HTS 2806.20.00.00 as a chemically defined inorganic acid distinct from hydrochloric acid. Supplied in bulk for industrial chemical processing.
Industrial Chlorosulfuric Acid for Dyestuff Production
Bulk chlorosulfuric acid used in the sulfonation of aromatic compounds to manufacture acid dyes and intermediates for textile industry. HTS 2806.20.00.00 covers this fuming inorganic acid as a key reagent in organic chemistry. Shipped in ISO tanks or 55-gallon drums with corrosion-resistant lining.
Pharmaceutical Grade Chlorosulfuric Acid
Ultra-pure chlorosulfuric acid meeting cGMP standards for sulfonation in active pharmaceutical ingredient (API) synthesis, such as sulfonamide antibiotics. Falls squarely under HTS 2806.20.00.00 as chemically defined per Chapter 28 definitions. Supplied in specialized pharma-grade containers.
Chlorosulfuric Acid Anhydride for Polymer Processing
Anhydrous chlorosulfuric acid used to chlorosulfonate polymers like polyethylene for ion-exchange resins and membranes. Classified in HTS 2806.20.00.00 as the pure inorganic acid essential for surface modification reactions. Bulk liquid for chemical engineering applications.
Distilled Chlorosulfuric Acid 99.5%
Vacuum-distilled chlorosulfuric acid at 99.5% concentration, minimizing impurities for high-precision etching and microelectronics applications. HTS 2806.20.00.00 applies to this chemically defined acid per official chapter notes excluding mixtures. Packaged in fluoropolymer bottles.
Bulk Chlorosulfuric Acid for Detergent Manufacturing
Commodity-grade chlorosulfuric acid tanker loads for linear alkylbenzene sulfonation in laundry detergent production. Specifically classified under HTS 2806.20.00.00 as the pure sulfonating agent meeting Chapter 28 chemical definitions. Essential oleochemical intermediate.