NOW FOR USA HTS Harmonized Tariff Schedule (2024 HTS Revision 9)
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Harmonized Tariff Schedule (2024 HTS Revision 9)

Heading Duty(general) Duty(china) Article Description Compare Code
2811     Other inorganic acids and other inorganic oxygen compounds of nonmetals:
Other inorganic acids:
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2811.11.00.00 Free  The duty provided in the applicable subheading + 25%  Hydrogen fluoride (Hydrofluoric acid) vs-2811
2811.12.00.00 4.2%  The duty provided in the applicable subheading + 25%  Hydrogen cyanide (hydrocyanic acid) vs-2811110000
2811.19     Other: vs-2811120000
2811.19.10.00 2.3%  The duty provided in the applicable subheading + 7.5%  Arsenic acid vs-281119
2811.19.30.00 Free  The duty provided in the applicable subheading + 25%  Hydrobromic acid vs-2811191000
2811.19.61 4.2%  The duty provided in the applicable subheading + 25%  Other vs-2811193000
2811.19.61.10 4.2%  The duty provided in the applicable subheading + 25%  Sulfamic acid vs-28111961
2811.19.61.90 4.2%  The duty provided in the applicable subheading + 25%  Other
Other inorganic oxygen compounds of nonmetals:
vs-2811196110
2811.21.00.00 3.7%  The duty provided in the applicable subheading + 25%  Carbon dioxide vs-2811196190
2811.22     Silicon dioxide: vs-2811210000
2811.22.10.00 3.7%  The duty provided in the applicable subheading + 25%  Synthetic silica gel vs-281122
2811.22.50.00 Free  The duty provided in the applicable subheading + 25%  Other vs-2811221000
2811.29     Other: vs-2811225000
2811.29.10.00 Free  The duty provided in the applicable subheading + 25%  Arsenic trioxide vs-281129
2811.29.20.00 Free  The duty provided in the applicable subheading + 25%  Selenium dioxide vs-2811291000
2811.29.30.00 4.2%  The duty provided in the applicable subheading + 25%  Sulfur dioxide vs-2811292000
2811.29.50.00 3.7%  The duty provided in the applicable subheading + 25%  Other
III. HALOGEN OR SULFUR COMPOUNDS OF NONMETALS
vs-2811293000