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HTS heading 2832: Sulfites; thiosulfates

Heading 2832 of the US Harmonized Tariff Schedule covers Sulfites; thiosulfates. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.

Official USITC HTS, 2026HTSRev22 · check on hts.usitc.gov

Heading 2832 at a glance

Goods named in this heading (official line texts): Sodium sulfites, Sodium thiosulfate.

Subheadings (6-digit)

All tariff lines in heading 2832

LineDescriptionGeneralSection 301 (China)Exclusions
2832.10.00Sulfites; thiosulfates: Sodium sulfites1.5%List 3 +25%
2832.20.00Sulfites; thiosulfates: Other sulfites3.1%List 3 +25%
2832.30.10Thiosulfates: Sodium thiosulfate1.5%List 3 +25%
2832.30.50Thiosulfates: Other3.1%List 3 +25%

All of chapter 28 · Chapter 28 rate summary · HTS lookup

General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.

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