U.S. imports of Unfused Triazine Ring Compounds (Excluding Melamine) (HS 293369) totaled $29.7M in August 2026, imported from 21 countries.
Importers of Unfused Triazine Ring Compounds (Excluding Melamine) paid $4.7M in duties in August 2026, an average duty rate of 16.07% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Unfused Triazine Ring Compounds (Excluding Melamine) imports of $29.7M in August 2026 ran 11% below the year-to-date monthly average of $33.2M.
Last updated: August 2026 dataCompounds containing an unfused triazine ring but excluding melamine cover a commercially diverse set of chemicals, including cyanuric chloride (2933696010), sodium dichloroisocyanurate and trichloroisocyanuric acid (2933696015) — both widely used as pool and water-treatment disinfectants — hexamethylenetetramine (2933695000), and triazine-based pesticides (2933696021). Cyanuric chloride is also a key intermediate in dye and agrochemical synthesis, while the isocyanurate disinfectants are subject to EPA registration requirements as antimicrobial pesticides. The rubber-processing subheading (2933696030) captures triazine-based vulcanization accelerators, illustrating the heading's cross-industry reach. Classification turns on the specific compound identity and its declared end use.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
411 import shipments a month
Yes. Both compounds function as antimicrobial pesticides and are subject to EPA registration under FIFRA. Importers must ensure the product is registered or exempt, and shipments may be subject to EPA review at the port of entry in addition to standard CBP clearance.
The pesticide lines (e.g., 2933696021) capture triazine-ring compounds whose primary commercial use is crop protection or biocidal activity, while 2933696030 covers compounds used as rubber processing aids such as vulcanization accelerators. The declared end use and product documentation — including safety data sheets and product labels — are key evidence in determining the correct subheading.
Subheading 6 of 27 in heading 2933
Subheading 293369 · $29.7M of $493.3M
ImportsExports
Imports
$29.7MYoY · free account
Exports
$2.9MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $369.4M of Unfused Triazine Ring Compounds (Excluding Melamine) and exported $139.8M.
Through August 2026. Source: U.S. Census Bureau.
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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 |
|---|---|---|---|---|---|
| 2933696050 | Other Cmpds Cont An Unfused Triazine Ring Etc | $11.9M | 18.37% | 96.50% | $2.2M |
| 2933696015 | Sodium Dichloroisocyanurate & Trichloroisocyanuric | $8.8M | 9.65% | 59.65% | $853K |
| 2933696021 | Pesticides W/ Unfused Triazine Ring Etc, NESOI | $6.7M | 18.95% | 100.00% | $1.3M |
| 2933696030 | Cmpds Cont An Unfused Triazine Ring Used As Rub Pr | $869K | 19.72% | 100.00% | $171K |
| 2933696010 | Cyanuric Chloride | $806K | 17.68% | 100.00% | $142K |
| 2933692000 | 2,4-Diamino-6phenyl-1,3,5-Triazine | $275K | 36.82% | 100.00% | $101K |
| 2933695000 | Hexamethylenetetramine | $114K | 14.87% | 100.00% | $17K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2933690000 | Cmpds (Exc Melamine) Cont An Unfused Triazine Ring | $2.9M |
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
China and Japan together supply 76% of it. China pays 22.6% duty; Japan 5.3%.
customs district
destination
entry
rate provision · imports
13.4% enters free of duty; duty collected equals 16.07% of imports for consumption.