U.S. exports of Sulfites (Excluding Sodium Sulfites) (HS 283220) totaled $1.3M in August 2026.
Importers of Sulfites (Excluding Sodium Sulfites) paid $14K in duties in August 2026, an average duty rate of 19.36% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Sulfites (Excluding Sodium Sulfites) imports of $70K in August 2026 ran 51% below the year-to-date monthly average of $145K.
Last updated: August 2026 dataCalcium sulfite, potassium sulfite, and other non-sodium sulfite salts fall under this heading, consolidated into a single tariff line (2832200000) in the US schedule. These compounds serve as antioxidants and preservatives in food and beverage applications, as well as reducing agents in chemical manufacturing. Italy and France are the leading US suppliers, reflecting European chemical production strength in specialty inorganic salts.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
7 import shipments a month
The critical distinction is the cation: sodium sulfites are classified under 2832100000 (heading 283210), while all other sulfite salts — including calcium, potassium, and ammonium sulfites — fall under 2832200000. When the commercial invoice lists a sulfite compound, importers should confirm the metal counterion before declaring the HTS code.
Sulfite compounds intended for use as food additives or preservatives may be subject to FDA oversight under the Federal Food, Drug, and Cosmetic Act. Importers should ensure that food-grade shipments are accompanied by appropriate documentation and that the product meets applicable food additive regulations. Consult a licensed customs broker or FDA-registered agent for admissibility guidance.
ImportsExports
Imports
$70KYoY · free account
Exports
$1.3MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $1.4M of Sulfites (Excluding Sodium Sulfites) and exported $11.6M.
Through August 2026. Source: U.S. Census Bureau.
Trade Directory
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Subheading 1 of 3 in heading 2832
Subheading 283220 · $1.3M of $3.4M
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 2832200000 | Other Sulfites, Except Sodium Sulfites, NESOI | $70K | 19.36% | 87.95% | $14K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2832200000 | Other Sulfites, Except Sodium Sulfites, NESOI | $1.3M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Exports · August 2026
destination
Mexico and Canada together take 98% of it.
customs district
origin
entry
rate provision · imports
12.1% enters free of duty; duty collected equals 19.36% of imports for consumption.