U.S. imports of Cyanogen Chloride (Chlorocyan) (HS 285310) totaled $85K in August 2026, imported from 1 country.
Importers of Cyanogen Chloride (Chlorocyan) paid $8K in duties in August 2026, an average duty rate of 10.00% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Cyanogen Chloride (Chlorocyan) imports of $85K in August 2026 ran 301% above the year-to-date monthly average of $21K.
Last updated: August 2026 dataCyanogen chloride (ClCN) is a highly toxic industrial chemical used as a precursor in the synthesis of triazine herbicides, fumigants, and certain specialty chemicals, and is classified under a single 10-digit line (2853100000). As a Schedule 3 chemical under the Chemical Weapons Convention (CWC), its import and export are subject to declaration requirements administered by the US Department of Commerce and monitored by the Organisation for the Prohibition of Chemical Weapons (OPCW). Belgium and South Korea are the leading suppliers to the US market. Importers must ensure that end-use and end-user documentation is in order, as misuse potential triggers heightened scrutiny at entry.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
1 import shipments a month
Cyanogen chloride is a CWC Schedule 3 chemical. US importers must comply with Commerce Department reporting requirements under the Chemical Weapons Convention Regulations (CWCR), including annual declarations of quantities imported and end-use certifications. Shipments from non-CWC states parties may face additional restrictions.
Yes. Cyanogen chloride is classified as a toxic gas under DOT hazardous materials regulations (49 CFR), requiring pressure-rated cylinders, proper hazard labeling (Poison Gas, UN 1589), and compliance with carrier-specific dangerous goods rules. Port of entry handling must also conform to OSHA and EPA emergency planning requirements given its acute inhalation hazard.
ImportsExports
Imports
$85KYoY · free account
Exports
$13KYoY · free account
Low of 3 reported months · imports
Low · free accountOver the twelve months to August 2026, the U.S. exported $332K of Cyanogen Chloride (Chlorocyan).
Fewer than 6 of the last 12 months reported trade, or the latest month was under $500K; the trend chart is not shown for thin series.
Through August 2026 · imports 3 of 12 months reported, exports 11 of 12 months reported. Source: U.S. Census Bureau.
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Subheading 2 of 2 in heading 2853
Subheading 285310 · $85K of $6.4M
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 |
|---|---|---|---|---|---|
| 2853100000 | Cyanogen Chloride (Chlorocyan) | $85K | 10.00% | 100.00% | $8K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2853100000 | Cyanogen Chloride (Chlorocyan) | $13K |
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.
Imports · August 2026
origin
customs district
destination
entry
rate provision · imports
duty collected equals 10.00% of imports for consumption.