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HSChapter 29
U.S. exports of paraformaldehyde (paraform) (HS 291260) totaled $2.4M in July 2026.
Importers of Paraformaldehyde (Paraform) paid $140K in duties in July 2026 — an effective duty rate of 16% on $882K in dutiable value, based on actual customs collections rather than the published tariff schedule. Paraformaldehyde (Paraform) imports of $882K in July 2026 ran 14% above the year-to-date monthly average of $775K.
Last updated: July 2026 dataParaformaldehyde — the solid, low-molecular-weight polymer of formaldehyde, also known as paraform — is a versatile industrial chemical used as a slow-release formaldehyde source in resin manufacturing, disinfectants, and agricultural fumigants. Classified under a single 10-digit line (2912600000), it is distinct from aqueous formaldehyde solutions (formalin), which classify elsewhere in Chapter 29. Spain and the United Kingdom are the leading US suppliers under this heading, with Taiwan and Germany also significant sources. Importers should be aware that paraformaldehyde is subject to OSHA hazard communication requirements and may trigger EPA Toxic Substances Control Act (TSCA) reporting obligations.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
31 shipments/mo
Paraformaldehyde (2912600000) is a solid polymeric form of formaldehyde, while formalin is an aqueous solution of monomeric formaldehyde that classifies under a different 10-digit line within Chapter 29. The physical state and polymer structure are the key distinguishing factors; importers should confirm the product form in the certificate of analysis to ensure the correct line is declared.
Paraformaldehyde is subject to TSCA inventory requirements administered by the EPA; importers must certify compliance or submit a TSCA certification statement at entry. It is also classified as a hazardous material under DOT regulations, requiring proper labeling and shipping documentation. OSHA's Hazard Communication Standard applies to downstream handling in the US.
Subheading 6 of 10 in heading 2912
Subheading 291260 · $882K of $25.1M
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Exports · July 2026
destination
Brazil and Colombia together take 96% of it.
customs district
origin
entry
rate provision · imports
the effective duty rate is 15.85%.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 2912600000 | Paraformaldehyde | $882K | 15.85% | 100.00% | $140K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2912600000 | Paraformaldehyde (Paraform) | $2.4M |
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.
ImportsExports
Imports
$882KYoY · Pro
Exports
$2.4MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.